Quantopian forum archive (about 15,000 threads)


Archive

Title Replies Date
Support Tickets Issue - Resolved no responses 30/10/2020
Looking for a new place for your alpha research? www.cloudquant.com no responses 30/10/2020
When will the "Live Portfolios" go live? 1 response 29/10/2020
Quantopian’s Community Services are Closing 174 responses 29/10/2020
Live/Paper Trade the In_Out Stragegy 32 responses 29/10/2020
Logistic Regression no responses 28/10/2020
Pairs Trading Eg no responses 28/10/2020
Errors loading the following modules 1 response 27/10/2020
using data.history for momentum algo - error when determining price change for n days 4 responses 27/10/2020
Help understanding why pipeline index does not match pipeline output? 1 response 27/10/2020
Share notebook in blog no responses 26/10/2020
Error while ingesting csv data no responses 25/10/2020
Export of results to Excel no responses 25/10/2020
Backtest with AGG Optimization no responses 24/10/2020
Options Flow/Activity no responses 24/10/2020
How often is the pricing data refreshed? no responses 20/10/2020
New Backtest no responses 20/10/2020
Fundamentals.dps_exdate.latest returning wrong timestamped data? no responses 19/10/2020
Disruptive Order in Capital Markets _ Seeking help to commercialize and optimize order algorithms no responses 19/10/2020
Looking for simple code to return daily percent change using similar code below - is there an easy function similar to get_pricing()? 2 responses 19/10/2020
where is the best practice to handle order 1 response 19/10/2020
How To Find Sector Group Averages? no responses 18/10/2020
Question about Quantopian Risk Model (Size factor) no responses 18/10/2020
Rate of Change Mean Reverision no responses 17/10/2020
im the greatest 3 responses 16/10/2020
Can't use pd.compare 2 responses 16/10/2020
Change universe to all stocks on the NYSE and NASDAQ 3 responses 16/10/2020
Unable to ingest bundle 3 responses 15/10/2020
Runtime error 2 responses 15/10/2020
one hour of algo activity 1 response 15/10/2020
Inputs are all NaN 1 response 14/10/2020
Using Q3000 Universe Outside of Quantopian no responses 14/10/2020
1-buy and hold strategy against a benchmark no responses 13/10/2020
Stocks with Earnings X Days Ago no responses 12/10/2020
CMLS stock abnormal price no responses 12/10/2020
Backtest no responses 12/10/2020
order_target_percent function no responses 12/10/2020
what to do next after identifying which quantile data has more return? no responses 12/10/2020
Questions about pipeline screen-pipeline actual data remains same after screening no responses 12/10/2020
Best Stocks in Good Time no responses 12/10/2020
simple Short-Term Reversal strategy implementation 1 response 11/10/2020
Trade in the past in Demo mode ? no responses 11/10/2020
Managing multiple trades from the same asset no responses 11/10/2020
Futures pricing no responses 10/10/2020
Cannot remove positions filled before missing days 1 response 10/10/2020
Q) I would like to see the distribution that appears when stocks are lined up according to a specific factor 3 responses 09/10/2020
Problem with Short position in IDE 2 responses 08/10/2020
Playing a Long-Term Game 2 responses 07/10/2020
why all my SMA score is NaN 2 responses 07/10/2020
Getting the index of the very next bar of trading data ? no responses 06/10/2020
Indian Equity 4 responses 06/10/2020
Using Quantopian Code to Live Trade no responses 06/10/2020
Noob- Moving averages 2 responses 05/10/2020
Rebalance part of portfolio every day? no responses 05/10/2020
ROE and Leverage problem no responses 05/10/2020
New Strategy — “In & Out” 114 responses 04/10/2020
How to measure the slope for OBV(on balance volume)?/help-with-talib-linear-regression no responses 02/10/2020
How to get the close price of the day before yesterday? 4 responses 02/10/2020
Uploading and using partial custom data 1 response 02/10/2020
Param tuning in alphalense no responses 02/10/2020
Help: Golden Cross Statistical Analysis on AAPL no responses 02/10/2020
Pair Trading - Negative Beta no responses 02/10/2020
Volume Weighted Moving Average with Fundamental Factors no responses 01/10/2020
Daily data delay 3 responses 01/10/2020
momentum port from us stocks no responses 30/09/2020
Futures data problems no responses 29/09/2020
Portfolio Tracking/ Post-Modern Portfolio Theory no responses 28/09/2020
Test Backtest no responses 28/09/2020
CustomFilter Error: Help Please 4 responses 28/09/2020
All Climate with QQQs no responses 27/09/2020
Slicing result between two dates 2 responses 27/09/2020
Runtime exception: NameError: name 'context' is not defined 2 responses 26/09/2020
A little bug in Tutorial 2 no responses 26/09/2020
How to get the closing prices 2 days ago for entire stock universe and for 1 particular stock no responses 25/09/2020
COVID-19 data resources 11 responses 25/09/2020
Using if clause with factor arithmetic 3 responses 25/09/2020
EquityPricing Closing Price Difference 2 responses 24/09/2020
First time user question...is it possible to use through my own machine instead of a browser? 2 responses 23/09/2020
mkt_val 2 responses 23/09/2020
Test D, 7-securities no responses 22/09/2020
Test C, 10-securities no responses 22/09/2020
Test A no responses 22/09/2020
How long did it take any beginners out there to learn the documentation and create your own trading algorithm? 5 responses 22/09/2020
Q) Organizing a universe by excluding certain company no responses 22/09/2020
Ranking did not work on my custom factor 2 responses 22/09/2020
My Algorithm is performing very well this year. Is it a fluke? 4 responses 22/09/2020
Morningstar Growth Score Data no responses 22/09/2020
Portfolio Percent Change no responses 22/09/2020
how to get historical data on customized data no responses 21/09/2020
Help Needed In Calculating Lower Partial Moments 1 response 21/09/2020
Long-Short Portfolio 19 responses 21/09/2020
Econometrics undergraduate. How should I prepare my way through this career? no responses 19/09/2020
How to prepare data for calibration no responses 19/09/2020
create_full_tear_sheet showing only 1day cumulative return 1 response 19/09/2020
[HELP] How to run this code against a selected range of equities? 1 response 18/09/2020
CAN SLIM again 9 responses 18/09/2020
Sharing this quant interview book no responses 17/09/2020
What are the differences among Factset Fundamentals for market cap --- "mkt_val", "mkt_val_cf", "mkt_val_public" and "mkt_val_secs." 1 response 17/09/2020
steps for learning algotrading no responses 17/09/2020
How to make weekly moving average in pipeline no responses 17/09/2020
list of stock price in new dataframe 2 responses 17/09/2020
Finding the best alpha indicator 1 response 16/09/2020
Confusion about Debt / Eq no responses 15/09/2020
Is there a way to get index (benchmark ) of non US markets eg NIFTY for Indian stocks using pipeline ? no responses 15/09/2020
I'm new, can somebody help? no responses 15/09/2020
I need a simple explanation of set_slippage function no responses 15/09/2020
What is everyone's favorite machine learning algo? no responses 14/09/2020
Help me in performing calculations on a pandas dataframe 3 responses 14/09/2020
TradeSlam no responses 12/09/2020
Help me in merging two dataframes 3 responses 11/09/2020
Mean Reversion algorithm no responses 11/09/2020
Example of creating an AssetFinder instance to run Pipeline using custom local data ? no responses 11/09/2020
im facing ValueError: Can't specialize Fundamentals to new domain EquityCalendarDomain('IN', 'XBOM'). 1 response 10/09/2020
Crypto Currency Fact SoTA no responses 10/09/2020
Would like to backtest on MorningStar's Fair Value Estimate no responses 10/09/2020
'Global Equity Pricing and Fundamental Data' by Jamie McCorriston 1 response 09/09/2020
3 lower lows 1 response 09/09/2020
Help me in creating quintiles from a Dataframe column 6 responses 09/09/2020
Retrieving market open and close times 2 responses 08/09/2020
How does one point out mistakes in lectures? (Specifically https://www.quantopian.com/lectures/introduction-to-pairs-trading) 1 response 08/09/2020
Quantopian/Zipline Default values and feeds question no responses 08/09/2020
Will zipline 1.3.0 work with more recent versions of its dependencies ? no responses 08/09/2020
I have about 100 retail traders who would like to lease algorithms no responses 08/09/2020
Is it possible to get 3m, 5m, 10m, 15m data using Quantopian? 2 responses 08/09/2020
Alphalens - KeyError: 'factor_quantile' error no responses 07/09/2020
gemalpha's strategy backtest no responses 07/09/2020
gemalpha's strategy backtest with randomized stock selection no responses 07/09/2020
Factor Model Lag no responses 06/09/2020
QFC Algorithm Backtest no responses 06/09/2020
bad price and volume data in minute getting from history() 2 responses 05/09/2020
Minute returns + Morning star fundamental (almost there!) no responses 05/09/2020
How to calculate the 5 year mean revenue growth? 4 responses 04/09/2020
Rolling Beta in Jupyter no responses 04/09/2020
Integration , Cointegration and Stationarity (EXERCICE 3 IN THE EXERCICE SECTION) no responses 04/09/2020
Drawdown example 8 responses 03/09/2020
Split-adjusting a stored pre-split stock price 3 responses 03/09/2020
Help me on getting monthly returns in a dataframe from a backtest object 6 responses 03/09/2020
how to take trades according to the rolling zscore of a pairs trade? 19 responses 03/09/2020
Why do many transactions happen in one day, if I only wait two? 5 responses 02/09/2020
get_clean_factor_and_toward_returns() error no responses 02/09/2020
Predicting Drawdowns in the SP500 using IBD distribution days 3 responses 02/09/2020
Can data from the TD Ameritrade API be used in Research notebooks? no responses 02/09/2020
Comparing Returns and pct_change 4 responses 31/08/2020
dataframe has no to_numpy()? 2 responses 31/08/2020
get data on etf for further backtest 3 responses 31/08/2020
Problems using MaximizeAlpha 8 responses 31/08/2020
[Feature Request] Logging enhancement no responses 31/08/2020
First attempt - Beneish plus Piotroski. 4 responses 30/08/2020
Notebook 503 Service Error 7 responses 30/08/2020
Tokyo Quantopian User Group Handson on Sep 20 23 responses 29/08/2020
US Economy amid Pandemic no responses 28/08/2020
Efficient way to get periodic data 1 response 28/08/2020
Industry code? 2 responses 28/08/2020
AttributeError: 'dict' object has no attribute 'iteritems' 2 responses 27/08/2020
scipy.signal.find_peaks not whitelisted? 2 responses 27/08/2020
How to go live with my algo developed here in Quantopian? no responses 27/08/2020
Problem gathering data international stocks 1 response 26/08/2020
python | algorithmic trading | backtest 1 no responses 26/08/2020
How to get data for Non US Stocks (International Stocks) 6 responses 26/08/2020
algo trading | python | test 1.0 no responses 26/08/2020
Help in designing a simple strategy 7 responses 26/08/2020
Buy/Sell log question 13 responses 26/08/2020
Pylivetrader and Quantopian - Same data filters, different results. 2 responses 25/08/2020
filtering universe of stocks by market cap and price in zipline no responses 24/08/2020
Importing train_test_split from sklearn.model_selection raised an ImportError no responses 24/08/2020
Missing Minute prices? 1 response 24/08/2020
Need help implementing MA crossover strategy no responses 23/08/2020
Backtesting portfolio 3 responses 23/08/2020
Questions about the Kalman Filter Pairs Trade Example in lecture 50 no responses 23/08/2020
newbie's question regarding SMA, RSI, VOL and live price no responses 22/08/2020
Alphalens - How to create cumulative returns chart of greater than 1D holding period? 3 responses 22/08/2020
Import Trades no responses 22/08/2020
Need Help With Pipeline DataFrame Manipulations 3 responses 22/08/2020
Best and worst stocks by PE ratio for each sector 2 responses 21/08/2020
[pyfolio] [empyrical] RuntimeWarning: invalid value encountered in log1p cum_log_returns = np.log1p(returns).cumsum() no responses 21/08/2020
Trying to track commissions expenses 2 responses 21/08/2020
Help needed for retrieving equity object from self serve data to place an order 1 response 21/08/2020
101 Alphas Project Alpha 34 3 responses 20/08/2020
Performance difference between various look back periods in relative strength model - How do we know what will perform better in the future? 1 response 20/08/2020
Help needed - Self-service data -- how to use ? 8 responses 20/08/2020
Conditional performance using price data only 2 responses 20/08/2020
All weather portfolio 2 responses 20/08/2020
View limit minimum error and problem analyzing data no responses 19/08/2020
Help please on simple import of Custom Dataset / Self serve data 2 responses 19/08/2020
Group 15 Hackathon no responses 19/08/2020
Group 8 - Hackathon no responses 19/08/2020
Notebook environment status? 4 responses 19/08/2020
backtest data obsolete 4 responses 19/08/2020
Research to IDE Help 2 responses 19/08/2020
Transaction control 2 responses 19/08/2020
Equity volume attributed to ETF and number of daily transactions in a specific equity no responses 18/08/2020
Cannot Convert Float NaN To Integer Quantopian Learn from the Experts Lecture 2 3 responses 18/08/2020
Is it true that no any ETF ni the Q3000US, Q1500US and Q500US? In which universe can I find the ETFs? 2 responses 17/08/2020
Is the OPTICS algorithm available in research? no responses 17/08/2020
How to create a stop loss? 1 response 16/08/2020
How to get a full list of fundamentals' data field 1 response 15/08/2020
Relative Price Ratio 3 responses 15/08/2020
Mask causes research pipeline to fail? no responses 14/08/2020
Deleted no responses 14/08/2020
Any alternative code of get_pricing() no responses 14/08/2020
Timing out at get_clean_factor_and_forward_returns 2 responses 14/08/2020
Correlation in CustomFactor: How to? no responses 13/08/2020
Stuck with Strange Error 1 response 12/08/2020
DLICJLI no responses 12/08/2020
What am i doing wrong with my algo? no responses 12/08/2020
Rotating Top NEW Brands no responses 11/08/2020
Paired learning no responses 11/08/2020
[email protected] no responses 11/08/2020
Analyzing the relationship between investor attention and the predictability of arbitrage strategies for the US market 1 response 11/08/2020
Beginner problem with pandas and data frame 1 response 11/08/2020
Group 28 - GTCAA no responses 11/08/2020
Help me newbie no responses 10/08/2020
Help box isn't showing up 1 response 10/08/2020
CustomFactor look ahead bias no responses 10/08/2020
RSI.Talib (Values) Vs Real RSI (online) 1 response 09/08/2020
Options Data no responses 08/08/2020
day over day close / open no responses 08/08/2020
Zerodha no responses 08/08/2020
Buy/Sell Understanding {order_target_percent(a,b)} 3 responses 08/08/2020
how to create a pandas of history data of penny stock (in NoteBooks not Algorithms) ? 2 responses 07/08/2020
Simple Pairwise Trading Algorithm for Amazon & Tesla (Thriving through Corona-virus) 1 response 07/08/2020
Kelly _Capital_allocation with multiple advisors no responses 07/08/2020
what after Back testing ? 1 response 07/08/2020
How to get a specific share price in NoteBooks not Algorithms ? 1 response 06/08/2020
Is there now an API that allows backtesting on 1-minute bars of futures contracts? no responses 06/08/2020
Seeking help on coding an ETF strategy 3 responses 06/08/2020
Dynamic update of factor parameters based on past portfolio value performance 2 responses 06/08/2020
How can I build my confidence that my strategy returns better no responses 06/08/2020
Test DecisionTreeClassifier Alpha and Calculate Sharpe Ratio 3 responses 05/08/2020
Backtest Speed Comparison Of Data.History And Pipeline no responses 05/08/2020
innovation v2 no responses 05/08/2020
portfolio-v3 no responses 05/08/2020
First time combining multiple factors using sentdex instruction no responses 04/08/2020
Python Books for Beginner's Programmer no responses 04/08/2020
Bit late but here, new to Python no responses 04/08/2020
Coding security not in portfolio. 1 response 04/08/2020
need help with alphalens date freq no responses 03/08/2020
Community Help 1 response 03/08/2020
Algorithm won't trade no responses 03/08/2020
Facing problem while cloning a lecture notebook 2 responses 03/08/2020
Trend following ETF algorithm. 1 response 03/08/2020
Incorrect accounts receivable for 2012 Morningstar Fundamental data 1 response 03/08/2020
Security Violation on using Pandas set_option for precision. Any work arounds? 2 responses 02/08/2020
Newb Question no responses 02/08/2020
implied volatility no responses 02/08/2020
RSI Strategy : Mistake on my algo 2 responses 02/08/2020
Sample Mean Reversion before_trading_start no responses 02/08/2020
Risk Parity no responses 01/08/2020
List sort 2 responses 01/08/2020
Hidden Markov Model (HMM) no responses 01/08/2020
New to algo trading and Quantopian, need help with placing orders 2 responses 01/08/2020
Corresponding name of morningstar fundamentals to those in finviz no responses 01/08/2020
schedule_function running handle_data every day despite specifying each month? 2 responses 01/08/2020
SPY and QQQ pair trading no responses 31/07/2020
No order placed in the backtest 2 responses 31/07/2020
Tooltips blocking autocomplete options 2 responses 30/07/2020
Retrieving last year´s data for stock screener 2 responses 30/07/2020
pipeline using monthly window length period 1 response 30/07/2020
Getting access to my Contest Algos 1 response 29/07/2020
Risk Imparity no responses 29/07/2020
Can Long Term Backtests Eliminate Profitable Short Term Systems? no responses 29/07/2020
Help me to get started no responses 29/07/2020
Financial Statement from Morningstar Data - Need help from accounting-savvy users. no responses 28/07/2020
TypeError: Cannot compare tz-naive and tz-aware datetime-like objects. no responses 28/07/2020
Where do I start? no responses 28/07/2020
How to get non-dividend adjusted price data? no responses 28/07/2020
new here 1 response 27/07/2020
Help with Fundamentals and getting ebit from the past 12 months 3 responses 27/07/2020
How do I place a market Order? no responses 27/07/2020
My first algo no responses 26/07/2020
How can I run my strategy to run with webhook for trading live no responses 26/07/2020
How to take the standard deviation of a custom factor? no responses 26/07/2020
1 no responses 26/07/2020
Recording dividend income 4 responses 25/07/2020
Help With Pipeline - Please no responses 25/07/2020
buy on large closing price swings and sell a few days later no responses 24/07/2020
Looking For Low Max Drawdown, Traded Monthly, With Stock Market Like Returns 4 responses 24/07/2020
Momentum investing from exponential moving average (EMA) signals. Help! 1 response 24/07/2020
analysis of financial markets, mid-March 2020? 3 responses 24/07/2020
My First Successful Algo!!! 1 response 24/07/2020
i am getting a key value error while running through tutorial no responses 24/07/2020
First Algo no responses 24/07/2020
error while backtesting, says no "open" object found no responses 24/07/2020
Beta Stability no responses 23/07/2020
Why is the cvxopt.blas function no longer on the whitelist? 2 responses 23/07/2020
Introduction no responses 23/07/2020
Machine Learning to generate a buy list - Random Forest, Any improvements? 2 responses 23/07/2020
Problems with my momentum investing from exponential moving average (EMA) signals. no responses 22/07/2020
Monthly Traded - Low Max Drawdown w/ Stock Market Like Returns 10 responses 22/07/2020
Returns does not seem to return what I expect. no responses 22/07/2020
Achieved 12% return no responses 22/07/2020
Pairs Trading no responses 22/07/2020
Calculation of available free cash for buys no responses 22/07/2020
Filter out individual ticker form pipeline output 3 responses 21/07/2020
Cutting down on computation time: How to get multiple variables from a single custom factor 4 responses 21/07/2020
Volume scanning on a minute to minute scale 1 response 21/07/2020
Wishful thinking? 1 response 21/07/2020
Data delay? 15 minutes delay? 1 response 21/07/2020
NameError: name 'query' is not defined 4 responses 21/07/2020
How can I use the output of a custom factor as a mask for other custom factors? 2 responses 21/07/2020
Pipeline Custom Factor help -window length and how to store out[:] values for each date no responses 21/07/2020
Hedge Fund Collaboration Opportunity no responses 21/07/2020
Unable to connect to to Kernel on Chrome no responses 21/07/2020
Does Quantopian still scout for algorithms to pour real money into? 1 response 21/07/2020
Custom Factors: how to pass through older window frames no responses 21/07/2020
Send Help no responses 20/07/2020
could not broadcast input array from shape (8407,1) into shape 8407 4 responses 20/07/2020
MACD crossover strategy using Quantopian built in factors 1 response 19/07/2020
importing indian equities no responses 19/07/2020
dual moving average sma20 sma100 no responses 19/07/2020
Pyfolio Transactions DataFrame no responses 19/07/2020
MACD on QTradableStocksUS – Strategy and Results no responses 17/07/2020
How to research company total share's data in HongKong ? no responses 17/07/2020
Can't record portfolio tickers / weights at each rebalancing? no responses 16/07/2020
Constraint on portfolio's weighted average dividend yield no responses 16/07/2020
Getting started by retrieving fundamental data no responses 16/07/2020
Setting sector constraints no responses 16/07/2020
[Noob Post] Help with a MACD & 200 EMA Strategy 1 response 15/07/2020
Momentum day trading strategy 3 responses 15/07/2020
Optimization constraints - relative to index no responses 15/07/2020
Sample Mean Reversion Algorithm performance since March 2020 no responses 15/07/2020
Retain existing stocks that are no longer returned in pipeline filter 3 responses 15/07/2020
Negated momentum factor as it gives positive results, good or bad? no responses 14/07/2020
ValueError: invalid literal for int() with base 10 2 responses 14/07/2020
53% prediction for the next month 5 responses 14/07/2020
Quantopian Partner Brokers. 1 response 14/07/2020
How to start no responses 14/07/2020
[Noob-ask] Is it possible to make actual trade using Quantopian? 4 responses 14/07/2020
How to add hours to a datetime index 1 response 13/07/2020
How do you reference column names from get_pricing? 1 response 13/07/2020
I keep getting 403: Forbidden error when trying to launch a notebook no responses 12/07/2020
Robinhood Account Growth Factor Analysis Research 9 responses 12/07/2020
How to manually generate a Dataframe for analysis in Alphalens? no responses 12/07/2020
Backtesting Bollinger Bands On ETFs – Full Strategy and Results 1 response 12/07/2020
When importing a custom dataset, what is the most reliable identifier to use? no responses 12/07/2020
Looking for data engineering team 1 response 12/07/2020
Combine Fundamentals and Normalize that List of Fundamentals 1 response 11/07/2020
Update: Custom Dataset Performance Improvements 5 responses 10/07/2020
For Intern - have a look no responses 10/07/2020
The Value of Alternative Investments no responses 10/07/2020
PE ratio value strategy modified -- Under Covid-19 no responses 09/07/2020
IDEAS TO CODE 2 responses 09/07/2020
Forward return of delisted stock in alphalens 2 responses 09/07/2020
live trading no responses 09/07/2020
Using historic data in a pipeline filter no responses 08/07/2020
Need help with ema crossover strategy 1 response 08/07/2020
DailyWeeklyMonthlyQuarterlyYearly 4 responses 08/07/2020
What does make_factors function do? 5 responses 08/07/2020
New to Coding and this website no responses 08/07/2020
Tutorial 11 - how does the .matches() method work? 1 response 08/07/2020
Question about the video: "Learning from the Experts Ep 1" no responses 08/07/2020
Need help with my first algorithm (long-short based on custom factor) 2 responses 07/07/2020
S&P 500 YTD Gainers no responses 07/07/2020
Getting this eror. Earlier all running fine. Suddenly getting this error ..what could be the reason? Python 3.5 env, using Anacoda 3 no responses 07/07/2020
Does window_length include the current day 'N' ? 2 responses 07/07/2020
get_backtest() throws NoSuchAlgorithm 2 responses 06/07/2020
Alphalens Utils backshift_returns_series documentation 2 responses 06/07/2020
SimpleMovingAverage of SPY no responses 05/07/2020
Competition: Seeking alpha - Post your best research results! no responses 05/07/2020
USEquityPricing vs. EquityPricing 2 responses 05/07/2020
Understanding parameters 2 responses 05/07/2020
Checked this for loop inside CustomFactor, but getting unexpected results 2 responses 05/07/2020
Smart Beta no responses 05/07/2020
Strategy for extreme and unusual events 2 responses 04/07/2020
How to rank stocks and display them? 2 responses 04/07/2020
Another way to get the VIX data in a strategy 6 responses 04/07/2020
Old algorithm I would like help updating 4 responses 04/07/2020
Unstacking zipline.assets object to a list of tickers 1 response 03/07/2020
Notebooks: Error 403: Forbidden no responses 03/07/2020
Issues with first algorithm no responses 03/07/2020
How to calculate the highest ration and lowest ratio between open price in the last week? 2 responses 03/07/2020
Testing SACEMS, Mamabear? 6 responses 03/07/2020
Portfolio Management - Infrastructure Outline? no responses 02/07/2020
For hire 1 response 02/07/2020
SMA calculation in pipeline 4 responses 02/07/2020
Need help connecting screener to trading algorithm 3 responses 01/07/2020
Quantopian strategy to live trading. HELP! no responses 01/07/2020
Lecture 37 : Long Short Equity 3 responses 01/07/2020
CCI 1 response 01/07/2020
Algorithm IDE Whitelist Issue 1 response 01/07/2020
New to Quantopian, Trying to add MACD signal to Moving average strategy 2 responses 30/06/2020
Typo in docs? no responses 30/06/2020
Cannot open Research notebooks 2 responses 30/06/2020
Strategy - Cashing on Volatility of High Beta stock of top quality companies no responses 30/06/2020
Cannot convert NA to Integer no responses 30/06/2020
Alphalens: Sentdex Python Programming for Finance pt 18 error no responses 30/06/2020
How can I close a position using a strategy signal. 5 responses 30/06/2020
Not excluding 0 Values no responses 30/06/2020
Relative Strength Index no responses 30/06/2020
Attempt to create Q optimization 2 responses 30/06/2020
Alternative to optimize? 7 responses 29/06/2020
Low Beta Anomaly no responses 29/06/2020
zipline backtest benchmark_period_return only returns 0 no responses 28/06/2020
Alphalens to Algo 2 responses 28/06/2020
Getting started - Factors - z-score is redundant? no responses 28/06/2020
Buy/Sell By Date With Delay 4 responses 28/06/2020
what does "beta" mean? 4 responses 28/06/2020
fetch_csv() issue, Published csv Google Sheet Unaccessible 11 responses 28/06/2020
High Momentum Trading Strategy for Apple no responses 27/06/2020
What happens when p-value is bad over 1day but good otherwise no responses 27/06/2020
How to use code to extract the stock data past 60 minutes? no responses 26/06/2020
How to use code to hedge? no responses 26/06/2020
IndexError: index 4 is out of bounds for axis 0 with size 4 in run_algorithm 1 response 26/06/2020
Resolving 'Dropped 100.0% entries from factor data' 1 response 26/06/2020
Importing personal data and selecting a list of stocks for the strategy from it 3 responses 26/06/2020
How do I remove leveraged etfs from my universe in my research environment pipeline? 1 response 26/06/2020
PROBLEM WITH RESEARCH 2 responses 26/06/2020
Please help me! How to build regression with code. 3 responses 26/06/2020
Can I get mpl_toolkits.mplot3d whitelisted? no responses 26/06/2020
Simple Pipeline Help 7 responses 25/06/2020
I need someone who can answer this type of question no responses 25/06/2020
Help with "ValueError: cannot convert float NaN to integer USER ALGORITHM:86, in handle_data" 2 responses 25/06/2020
Possible Drawback of QTradableStockUS() for Factor Strategies? no responses 25/06/2020
!!!!! HELP !!!!!! 20 responses 25/06/2020
Quantopian Notebooks site forbidden 4 responses 25/06/2020
Need help with Bollinger Bands Algorithm 4 responses 24/06/2020
Machine Learning Pipeline no responses 24/06/2020
Help: Pipeline results dataframe has extra (hidden) entries in index 4 responses 24/06/2020
Solved, Turtle Trading strategy 2 responses 24/06/2020
Can you see the error? 2 responses 23/06/2020
Help! Different Annual Performance Despite Same Exact Trades 2 responses 23/06/2020
Cant access Date index from custom data set (USING NOTEBOOK) 2 responses 23/06/2020
Inquiry on Data Science 2 responses 23/06/2020
is it possible to backtest inter and intra market spreads/calendar spreads with quantopian no responses 23/06/2020
Confused about returns and leverage in the presence of pairs-trading / short-selling 2 responses 23/06/2020
Alternative to VaR/CVaR: Minimizing expected time to reach a given capital level before ruin 1 response 23/06/2020
delete no responses 23/06/2020
Alphalens - is it possible to chart cumulative long short strategy with n day returns? 1 response 22/06/2020
Investment Portfolio no responses 22/06/2020
company performance no responses 21/06/2020
Bear Market 'Precautions' no responses 21/06/2020
Trading Bot with Python no responses 21/06/2020
Checking data from Morningstar no responses 21/06/2020
Limit orders and slippage? 2 responses 20/06/2020
What is the best way to deal with NaN values in price data? 4 responses 20/06/2020
test with slippage to compare with simple back no responses 20/06/2020
test without slippage to compare with simple-back no responses 20/06/2020
Data for Indian Equities. no responses 20/06/2020
Interpretation of the EquityPricing dataset no responses 20/06/2020
Custom data Bundle 7 responses 19/06/2020
FRAMA (Fractal Adaptive Moving Average) in Python 11 responses 19/06/2020
Understanding the Pipeline 2 responses 18/06/2020
Help - stuck with a line for the whole day 3 responses 18/06/2020
'BoundColumn' object has no attribute 'notnull' 2 responses 18/06/2020
Last Price ( intraday ) no responses 18/06/2020
How to get the "lows" of a stock on a 15 minute bar graph timeline? 1 response 18/06/2020
HELP PLS... 7800% returns doesn't seem right for MACD strategy no responses 18/06/2020
Limit on Close order no responses 18/06/2020
Pipeline + Bollinger Band + RSI no responses 17/06/2020
Help - plotting behavior different on Quantopian versus Jupyter 2 responses 17/06/2020
I've been locked out of my account. 2 responses 16/06/2020
earnings Calendar 1 response 16/06/2020
Applying Whitney George Stock Selection Strategy no responses 16/06/2020
Worstreams to add historical data no responses 16/06/2020
Quant database material 1 response 16/06/2020
Notebook offline these two days no responses 16/06/2020
Lecture 24 Leverage An introduction to leverage in algorithmic trading and how it works. no responses 16/06/2020
Methodology for assessing the predictive value a signal 1 response 16/06/2020
ds no responses 15/06/2020
ds no responses 15/06/2020
Seeking help: how to find market PE? 2 responses 15/06/2020
Protective Asset Allocation - asking for help again 21 responses 15/06/2020
Best way to filter out stocks with a large gap up in their price history? 8 responses 15/06/2020
US500 rank universe question 2 responses 15/06/2020
Look back N days Pipeline 3 responses 15/06/2020
After you have developed your trading algorithm, which broker do you use to implement your strategy? no responses 15/06/2020
How do I implement a stop loss? 1 response 15/06/2020
Trading Day of Month function 2 responses 15/06/2020
Historical bid and ask closing prices no responses 15/06/2020
How do I get RSI into 5 Minutes timeframes? 2 responses 14/06/2020
Momentum Driven Factor using Z-score no responses 14/06/2020
Backtest 5 pairs no responses 14/06/2020
Documentation has been cancelled? 3 responses 14/06/2020
Solved: Abnormal return using order_optimal_portfolio method? 8 responses 14/06/2020
Why the Mean Period Wise Return from Alphalens brings means return differents as if you calculate by yourself?? 2 responses 14/06/2020
PCA statistical arbitrage with 'Log Volume' as one of the factors no responses 14/06/2020
Why isn't SARIMAX whitelisted from StatsModels? 2 responses 13/06/2020
Test 6/13, Using historical returns. no responses 13/06/2020
Backtest 6/13, using only historical returns. no responses 13/06/2020
needing help to reblance 1 response 13/06/2020
WHY DOES THIS HAPPEN - FAILED ORDER 2 responses 13/06/2020
Positive Volume Index (PVI) and Negative Volume Index (NVI) no responses 13/06/2020
post removed no responses 13/06/2020
Run Quantopian algo from Cloud for paper trading on Alpaca 5 responses 13/06/2020
Seeking help to create a straightforward simply strategy for day trading for profits. no responses 13/06/2020
My first attempt at an algo no responses 13/06/2020
Trading only the top 10 highest gaining stocks over $100mm market cap no responses 13/06/2020
Simple Fundamental Algorithm 1 response 13/06/2020
Trading with Benjamin Graham's formula - Fundamentals and bonds 5 responses 12/06/2020
Help writing inside Quantopian platform no responses 12/06/2020
Long-Short Pairs Trading (PL/PA) no responses 12/06/2020
Long-Short Pairs Trading (NG/HO) no responses 12/06/2020
Long-Short Pairs Trading (UAL/DAL) no responses 12/06/2020
Create Algo For S&P500 Buy and Hold Strategy 5 responses 12/06/2020
Pipeline Error: 'DataFrame' object has no attribute 'domain' 1 response 12/06/2020
Record cannot plots things on minute time scales 1 response 12/06/2020
Coding - please please help 4 responses 11/06/2020
How do I access previous period data? 2 responses 11/06/2020
Looking for contributors to our "Learn from the Experts" video interview series 1 response 11/06/2020
I really need help in calculating percentage change of my open positions! 5 responses 11/06/2020
RSI factor documentation 2 responses 10/06/2020
KDJ test 2 no responses 10/06/2020
KDJ test 2 responses 10/06/2020
Emulating a backtest in research notebook - possible in 2020? 2 responses 10/06/2020
Solved- WVAD strategy using custom factors, it fails! 7 responses 10/06/2020
Tech growth no responses 10/06/2020
close price in certain dates obtained from data.history changed on next run no responses 10/06/2020
How to breakdown backtest results to annual returns by year? Pandas date manipulation 2 responses 10/06/2020
CustomFactor WVAD strategy with 350% to today? Whats wrong with it? no responses 09/06/2020
False signal generated on stock split 3 responses 09/06/2020
Rebalancing a portfolio every n weeks? 2 responses 09/06/2020
A Dynamic Window Length For Returns Factor no responses 09/06/2020
Global Equity - NoDataForSid: No minute data for sid no responses 09/06/2020
where can i get Total returns from fundamentals? 4 responses 09/06/2020
Is Notebook down? 1 response 09/06/2020
Need Help: Pipeline, Quandl Data & Custom Factors 5 responses 08/06/2020
What is preventing challenge submissions from getting tailored on the past? 1 response 08/06/2020
quantopian data to excel no responses 08/06/2020
Moving average crossover on jupyter notebook no responses 08/06/2020
Apply top and bottom to QTradableUniverse 3 responses 07/06/2020
CRYPTO 1 response 06/06/2020
Create New Pipeline Each Month During Backtest no responses 06/06/2020
Mean Reversion 1 response 06/06/2020
Help with this Algorithm invalid syntax in line 27 has been bold the line is if std_30 > 0 : no responses 06/06/2020
zipline, is there bug in dividend pay out? no responses 05/06/2020
Looking for an Opportunity in Finance/Quant Finance no responses 05/06/2020
Help doing baktesting no responses 05/06/2020
Simple 2 Asset Rotation Strategy - 1st project 2 responses 05/06/2020
Slippage Definition 1 response 05/06/2020
Zero commission trade with TD Ameritrade using Quantopian codes no responses 05/06/2020
Moving average crossover strategy code 9 responses 05/06/2020
Negative leverage 2 responses 05/06/2020
Figures in vector graphics format and tables in Latex format no responses 04/06/2020
Alphalens - how does long short cumulative portfolio handle days when not many signals? no responses 04/06/2020
NameError: name 'daily_bar_writer' is not defined no responses 04/06/2020
Coding ATR Trailing Stop no responses 04/06/2020
Quantopian Close Prices 1 response 04/06/2020
Bug in Pipeline output or pandas? 3 responses 04/06/2020
Getting data from Quandl no responses 04/06/2020
Question about backtesting: measuring returns, total returns and specific returns 5 responses 04/06/2020
Predicting Winning Sector ETF using Machine Learning SVM 7 responses 04/06/2020
Congratulations, Vladimir! 4 responses 03/06/2020
BB SPY+TLT 1 response 03/06/2020
Algorithm selling outside the set trading month 3 responses 03/06/2020
Reindexing assets in zipline no responses 03/06/2020
Books on derivatives strategies 2 responses 02/06/2020
Why is BR_EQUITIES so out of date? no responses 02/06/2020
Using a CustomFactor output as a filter in the pipeline 1 response 02/06/2020
handle_data, when is it called and why use it 2 responses 02/06/2020
Help- Argument has incorrect type error 1 response 02/06/2020
Help with example algorithm. no responses 02/06/2020
MBW - Backtest 3 Quality Companies in Uptrend no responses 01/06/2020
Confidence Interval Lecture no responses 01/06/2020
Bollinger Bands no responses 01/06/2020
50 and 20 day SMA crossover no responses 01/06/2020
200 Day Simple Moving Average Trading no responses 01/06/2020
Ray Dalio Portfolio no responses 01/06/2020
Pair Trading 1 response 01/06/2020
Position weights significantly different from target weights. 7 responses 01/06/2020
custom ingestion problem using zipline 1 response 01/06/2020
Manually Controlling Leverage no responses 01/06/2020
Documentation link broken? 1 response 01/06/2020
Runtime Error During Backtest no responses 31/05/2020
external GUI for simple buy and hold algorithm no responses 31/05/2020
Problem getting Notebook 1 response 30/05/2020
InputRejected, being locked out when doing errors 2 responses 30/05/2020
Python backtesting strategies and live trading! no responses 30/05/2020
Exchange Name Error no responses 30/05/2020
Quantopian has all the tools to provide portfolio insights for the masses no responses 29/05/2020
Strategy Algorithm with Minute Data no responses 29/05/2020
optimize long and optimize short aspiring to meet contest constraints no responses 29/05/2020
Retiring the Contest 23 responses 29/05/2020
Correct implementation of Fama-Macbeth corrected regression standard errors no responses 29/05/2020
Pipeline Tutorial 2 no responses 29/05/2020
Help with Simple Moving Average Crossover 2 responses 28/05/2020
How to filter "USEquityPricing.close.latest" using QTradableStocksUS() 4 responses 28/05/2020
Custom Dataset Upload Error 2 responses 28/05/2020
Quantopian Partner Brokers no responses 28/05/2020
Quantopian do you see the value in this Generic Custom Factor Calculator? 4 responses 27/05/2020
[New to the community] Strategy Ideas no responses 27/05/2020
Please delete this post. no responses 27/05/2020
Past Week Performance Ranking no responses 27/05/2020
Simple Moving Average 4 2 responses 27/05/2020
BUG - Quantopian Please help! 5 responses 27/05/2020
Lecture series, Problem with cloning notebook 5 responses 27/05/2020
Obtain cartesian coordinates by clicking with the mouse on any point on a graph and produce trading actions 1 response 27/05/2020
moving average 3 - 2 2 responses 27/05/2020
BusinessDaysUntilNextEvent gives incorrect results with custom dataset 3 responses 26/05/2020
20 weeks high (weekly frequency) 3 responses 26/05/2020
Can I Update Pipeline? no responses 26/05/2020
Too Much Memory Error 1 response 25/05/2020
Can't access statsmodels.stats.api 1 response 25/05/2020
Getting started 1 response 25/05/2020
403 : Forbidden error for Notebooks 2 responses 25/05/2020
try to apply a bollinger band buy strategy with Stop-loss, but stuck when applied to a portfolio no responses 25/05/2020
get_pricing doesn't skip non-trading days? no responses 25/05/2020
Alphalens flat April - Sept 2018 no responses 25/05/2020
Trouble calling algo.order_optimal_portfolio using target weights 3 responses 24/05/2020
Calling historic price for a set of stocks in IDE no responses 24/05/2020
Round trips Summary statistics. 2 responses 24/05/2020
Should there not be prompts for defined functions when typing in code? no responses 24/05/2020
Instability of Parameter Estimates Excercise 3 no responses 24/05/2020
Ichimoku order entry 2 responses 23/05/2020
Good IC but poor quantiles? When to move from research to backtest? 8 responses 23/05/2020
data.history() and data.current() 3 responses 23/05/2020
ATR values turning Nan after some values 2 responses 23/05/2020
How can I attach volume to the output of these logs? Is there a pandas method to do this? no responses 22/05/2020
Delete no responses 22/05/2020
Using Algos on the Market no responses 22/05/2020
Can someone check my logic? Trying to calculate top gainers and losers by percentage each day 3 responses 22/05/2020
Ichimoku Pipeline 5 responses 22/05/2020
Scheduling function for a time period no responses 21/05/2020
Data doesnt match with Norgate and Tradingview no responses 21/05/2020
Guidelines for minimizing impact of trading costs 4 responses 21/05/2020
Ichimoku Order after n days no responses 20/05/2020
Trend Following Strategy : help on the code 2 responses 20/05/2020
Suggestions on Investment screening in turbulent times? no responses 20/05/2020
EMA? Change Data Frequency to 4H no responses 20/05/2020
Currency Hedged ETF strategy no responses 20/05/2020
cumulative return by quantile missing 3 responses 20/05/2020
Where did you learn everything that you use in the process of creating an algorithm? no responses 20/05/2020
[deleted by user] 1 response 20/05/2020
[deleted by user] 2 responses 20/05/2020
How to create a stock market scanner using pipeline in your jupyter notebook ( with built-in hammer price action) no responses 20/05/2020
List out Quality Companies in an Uptrend 2 responses 19/05/2020
Confused about backtest: returns, benchmark, cash and leverage no responses 19/05/2020
Using talib with USEquityPricing ? Is there any way? 4 responses 19/05/2020
No garch library whitelisted? no responses 19/05/2020
Which module should I use to get fundamental data? no responses 18/05/2020
Coronavirus Intraday no responses 18/05/2020
Detailed documentation on simple concepts like SimpleMovingAverage no responses 18/05/2020
build algorithm-random forest no responses 18/05/2020
assignment 6 no responses 18/05/2020
Tradingview Alert (e-mail/webhook) to Interactive Brokers no responses 18/05/2020
Trying to view futures, and trade stocks based off that 5 responses 18/05/2020
Money 1 response 17/05/2020
Since 3-4 days ago, I can no longer access Notebooks 3 responses 17/05/2020
How Quantopian merge stock price data and Morningstar fundamental data ? 5 responses 17/05/2020
Buy and take profit every 30 minutes no responses 17/05/2020
Tab Autocomplete not working in notebooks? 3 responses 17/05/2020
hi, i discover a trategy to trade in volatile enviorments, im not very well at coding but maybe somone could take advantage of it. no responses 16/05/2020
Need Help - Would Like to Rotate in and out of TQQQ/SQQQ no responses 16/05/2020
mean reversion algorithm - recently IPO'd companies 2 responses 16/05/2020
-24 Trillion % Returns? 1 response 16/05/2020
Stop Loss and Profit Targets for Futures trades no responses 16/05/2020
Labeling pairs within the Pipeline: stocks belonging to more than one pair 4 responses 16/05/2020
Displace a moving average no responses 16/05/2020
New Pipeline Features: fillna, if_else, and Row-Wise Computations. 1 response 16/05/2020
Discrepancy in Close price 2 responses 15/05/2020
Help with nlargest error 2 responses 15/05/2020
Help adding slippage / trade commissions to trading model 2 responses 15/05/2020
Help with slippage / commission on trade performance no responses 15/05/2020
Can quantopian.research be used offline? 2 responses 15/05/2020
Ichimoku Cloud shift Problem 5 responses 14/05/2020
Pandas multi index slicing - Question 9 responses 14/05/2020
Pair Trading on News no responses 14/05/2020
sma15 strategy 3 responses 14/05/2020
S&P 500 get pricing? 1 response 14/05/2020
Buying the closing low of the last 30 days 2 responses 14/05/2020
Output 30 min stock prices to text? no responses 14/05/2020
Keep same weight as yesterday no responses 13/05/2020
Quant_Tutorial 1 no responses 13/05/2020
Questions on Advances in financial machine learning, chapter 4 no responses 13/05/2020
New to Algorithmic Trading. What tools do you use today and how? no responses 13/05/2020
Quantiles doesn't have eq method 2 responses 13/05/2020
No Order put on MACD crossover signal 1 response 13/05/2020
Top 20 Of Nasdaq Company no responses 13/05/2020
Anyway to silence pipeline and alphalens? no responses 13/05/2020
Code error no responses 12/05/2020
Why EXACTLY is it desirable to generate returns unexplained by widely known factors? 1 response 12/05/2020
Japanese translation project of Quantopian Documentation no responses 12/05/2020
How to manually set base universe for pipeline 2 responses 11/05/2020
Full backtest failes to start despite a running backtest by clicking 'Build algorithm' 2 responses 11/05/2020
noob questions no responses 11/05/2020
Help - Retrieve values from a pipeline column that was created outside of your make_pipeline() no responses 11/05/2020
How do I calculate profit in code no responses 10/05/2020
Uptrend model 1 response 10/05/2020
Least Square Best Fit Trend Line. no responses 10/05/2020
Statistical arbitrage: neural networks perspective 1 response 10/05/2020
Buy On Gap with shorts. Please Critique. 5 responses 10/05/2020
An alternative to trade strategies: Erasure Quant 6 responses 10/05/2020
Price Breakout Trading Strategy - Need Help! no responses 09/05/2020
Chaikin Oscillator with Ta-Lib no responses 09/05/2020
Same Day Pricing Data Availability for Algorithms 2 responses 09/05/2020
Reacting to SPY no responses 09/05/2020
Where would I be able to view the documentation of fetch_csv 1 response 09/05/2020
Error importing self_serv data 3 responses 08/05/2020
New to quantopian - please help 2 responses 08/05/2020
questions on Machine Learning no responses 08/05/2020
Is there a simple pairs strategy that is working during COVID? no responses 07/05/2020
Market neutral strategy during covid19 no responses 07/05/2020
Please Help Gauge my Algorithm 2 responses 07/05/2020
Calculate Regression with same data but got different intercept no responses 07/05/2020
Any chance for Options Trading on Quantopian ? no responses 07/05/2020
Johansen Test Eigenvectors question (Pairs related) 2 responses 07/05/2020
help with schedule_function 5 responses 07/05/2020
Algorithm - Modified Quality Companies Model 1 response 07/05/2020
Long-only Piatovski 2007-2020 3 responses 06/05/2020
Bs in Applied Mathematics and Finance ? no responses 06/05/2020
Alphalens weekly factors 2 responses 06/05/2020
Algorithm: Momentum & Morningstar Growth Score no responses 06/05/2020
Are major changes to Quantopian commonplace? aka removal of PsychSignal? 1 response 05/05/2020
SPY high and low of the day histogram 2 responses 05/05/2020
Denoising and detoning - MLAM, Marcos Lopez de Prado 2 responses 05/05/2020
test post no responses 05/05/2020
How can I use alphalens with boolean factor, True and False 3 responses 05/05/2020
How can I shift one period forward a custom factor. no responses 05/05/2020
How to set default global timezone as tz='US/Eastern' no responses 05/05/2020
How to build a Z-Score Indicator for the 10 bar range? 2 responses 04/05/2020
Does Quantopian use top 10 algorithms to perform real investment? 1 response 04/05/2020
Prices in Pipeline, or data.history different than prices in Yahoo Finance 3 responses 04/05/2020
Missing Fundamental Data - Where to Find Cleaner Data? no responses 04/05/2020
Filter by Morningstar Sector Codes 3 responses 03/05/2020
PERCENT Change from the open 2 responses 03/05/2020
Have a custom factor as input for window_length in an other custom factor? no responses 03/05/2020
{factor} does not have multiple outputs no responses 03/05/2020
How sufficient should my knowledge in Python be to start on Quantopian? 1 response 02/05/2020
Alphalens Problem! create_pyfolio_input not working anymore?! 3 responses 02/05/2020
Thank you for making the "Learn from the Experts" Videos 3 responses 02/05/2020
There's no options data to work with? 1 response 02/05/2020
20 Day Simple Moving Average no responses 02/05/2020
Developing a Trend System no responses 02/05/2020
Help, when using different indicators (RSI, BB, EMA...) 1 response 01/05/2020
Issues on history data biweekly resample 8 responses 01/05/2020
Filter individual Tickers from Pipeline 1 response 01/05/2020
Curve-fitting, trend-line, regression? no responses 01/05/2020
Indian Market Sector information no responses 01/05/2020
Rank versus Zscore when combining factors? no responses 01/05/2020
Beginner question - live trading not only backtesting no responses 01/05/2020
HELP PLEASE how to apply Stochastic oscillator in pipeline? no responses 01/05/2020
Why doesn't my algo trade for the first 3 years? 1 response 01/05/2020
Zscore producing lots of Nans? 2 responses 01/05/2020
Where is data folder in Research? Need to use local csv 1 response 30/04/2020
Equities trading universe by market cap problem 2 responses 30/04/2020
Issues getting correct value for Morningstar fundamentals data no responses 30/04/2020
New Video: Learn from the Experts Ep 5: Alpha Factor Optimization with Cheng Peng 8 responses 30/04/2020
Run a pipeline in algo between a specific time window 4 responses 30/04/2020
Local variable within CustomFactor class 2 responses 30/04/2020
Am I using the target weights correctly here to short sale? no responses 30/04/2020
Equal weight of top 10 stocks by Market Cap of SP500 no responses 29/04/2020
[SOLVED] Help me with this Pipeline error please!!! 1 response 29/04/2020
Carbon frontier 1 response 29/04/2020
Portfolio with different schedule for different positions no responses 29/04/2020
Bollinger Bands Trading Strategy Analysis (Group 6) no responses 29/04/2020
A comprehensive guide for Linear Regression no responses 29/04/2020
How can I get the single value of SMA 11 of 5 min bars? no responses 29/04/2020
How to calculate capacity of a trading strategy and to determine the max amount of volume that can be traded at a given time to get filled? no responses 29/04/2020
Unable to call quantopian.research.prices for equity (Galapagos NV) 2 responses 29/04/2020
New Strategy - Turnaround Tuesday no responses 29/04/2020
Morningstar Fundamentals Parents / Children / Siblings no responses 28/04/2020
Factset Vs Morningstar Fundamental Data 1 response 28/04/2020
Zipline Cannot Trade Assets in custom csvdir bundle no responses 28/04/2020
zipline API: order explained no responses 28/04/2020
VXX dataset - How to fix? 5 responses 28/04/2020
Issues with Fundamentals for Tencent (TCEHY)? no responses 28/04/2020
Please help solve this error using the data.history function no responses 27/04/2020
Quality Companies in an Uptrend 4 responses 27/04/2020
Lopez de Prado financial data structures no responses 27/04/2020
How do I inspect a filter using Alphalens? no responses 27/04/2020
Optimizing Intraday MovingAverage levels no responses 27/04/2020
Alpha Lens - Multi Index - Intraday no responses 27/04/2020
Researching Time Price Opportunity profiles (TPO charts) no responses 27/04/2020
Remove Stocks that are close to Earnings Releases no responses 27/04/2020
Custom Dataset in an algorithm no responses 26/04/2020
Algo stop loss - that buys back at stop level 1 response 26/04/2020
Test post no responses 26/04/2020
Few intriguing question about the predcitions with quantopian framework. no responses 26/04/2020
Help with CustomFactor: Counting Number of 'Up' Days 5 responses 26/04/2020
what happen with financial assets? 2 responses 26/04/2020
Please help with filter and custom factor 2 responses 26/04/2020
Dynamic factor data no responses 26/04/2020
Fundamentals are not available for dates before June 2014 - how to fix? 1 response 26/04/2020
Question about conditional strategy no responses 26/04/2020
Stocks in a long-term uptrend with medium-term price correction showing short-term momentum no responses 26/04/2020
Solid Mean Reversion no responses 26/04/2020
How to Order Assets from Pipeline Output? Beginner Question! no responses 25/04/2020
Very Clean Coded Pipeline Not Working?? Help please 2 responses 25/04/2020
average of 5 years P/E and erning growth rate no responses 25/04/2020
AttributeError: 'DataFrame' object has no attribute 'sentiment_score' no responses 25/04/2020
How to Find Only True Results in Pipeline no responses 24/04/2020
Assignment3-2.1 no responses 24/04/2020
Assignment 3-1 no responses 24/04/2020
UGLD ETF - Missing split adjustment no responses 24/04/2020
ED Futures data seems to stop in November 2018 1 response 24/04/2020
Problem finding Bond Futures 2 responses 24/04/2020
What is the relation between "Z-score" and "alpha "? 1 response 24/04/2020
Rebalancing Error no responses 23/04/2020
What does the '|' symbol mean for a numexpr expression? 2 responses 23/04/2020
Reinforcement learning for trading...is real? 2 responses 23/04/2020
CDF as a momentum signal 1 response 23/04/2020
please help with backtest returns 2 responses 23/04/2020
Save yesterday's low of position entry date no responses 23/04/2020
Tim Sykes and Penny Stocks - Crushing it! 4 responses 23/04/2020
How to combine multiple momentum signals in an equally-weighted long/short portfolio 1 response 23/04/2020
Kalman failing to approximate beta? What am I doing wrong? 3 responses 23/04/2020
n/a no responses 22/04/2020
Manipulating the variable/factor for only one Morningstar sector no responses 22/04/2020
Stuck on algorithm execution (New User) no responses 22/04/2020
prices of backtest 2 responses 21/04/2020
Subsetting Shorts from Positions 1 response 21/04/2020
Help with KeyError when trying to generate a tear sheet no responses 21/04/2020
hello no responses 21/04/2020
Fixing Linear Regression Custom Factor 2 responses 21/04/2020
At what time does the previous day's data become available in the Algorithm Environment? 3 responses 21/04/2020
First Algorithm no responses 21/04/2020
Seeking help to settle leverage problem no responses 21/04/2020
Data availability in Algorithms environment no responses 21/04/2020
Intraday trading and the order execution time 1 response 21/04/2020
Why do you help others? no responses 21/04/2020
Multitimeframe trading algos no responses 20/04/2020
Alternative data resources no responses 20/04/2020
List of equities in a specific domain no responses 20/04/2020
Creating a Classifier to Simplify data. no responses 20/04/2020
Come hell or corona no responses 20/04/2020
Screen & Filter no responses 20/04/2020
Orders history no responses 19/04/2020
Why Series object is not callable no responses 19/04/2020
Phyton Developer needed no responses 19/04/2020
HELP - Why do quantopian.research.returns() and quantopian.pipeline.factors.Returns() give different output? 1 response 19/04/2020
How to detect previous highs and lows automatically? no responses 19/04/2020
VIX pairs 16 responses 18/04/2020
TA Lib different values for same data 7 responses 18/04/2020
error when adding custom factor to pipeline 4 responses 18/04/2020
KeyError: 'shorts' . Please Help 4 responses 18/04/2020
continuous_future 2 responses 18/04/2020
Filter for individual tickers in dataframe no responses 17/04/2020
Pipeline, Quandl Data & Custom Factors 1 response 17/04/2020
New Video Series: Creating a Daily Fantasy Sports Algorithm Using Quantitative Finance no responses 17/04/2020
How can I control weekly turnover? no responses 17/04/2020
Some help with resampling data 2 responses 17/04/2020
Cool no responses 17/04/2020
Is there a way to list all the attributes of the function "quantopian.research.prices"? On using the 'getattr' function, I see a warning about whitelisted modules. 2 responses 17/04/2020
Without constraints no responses 17/04/2020
Without Contstraint TLT benchmark no responses 17/04/2020
With Constraint Long term no responses 17/04/2020
RORO Without constraint no responses 17/04/2020
DELETED no responses 16/04/2020
Filter Biotech stocks out of Q3000US no responses 16/04/2020
How to implement stop loss in case of a crisis? no responses 16/04/2020
Mean Reversion on Quantopian no responses 16/04/2020
odd S&P 500 tracking ETF flows data 10 responses 16/04/2020
ETF fund flows - data available on Quantopian? no responses 16/04/2020
How may I filter stocks using conditions on two different time intervals? no responses 16/04/2020
Berlin Community 3 responses 15/04/2020
Dodging the issue of parameter optimization, curve fitting and future time series simulations no responses 15/04/2020
VWAP Standard Deviation 1 response 15/04/2020
Data not loaded 4 responses 14/04/2020
Delete Duplicate no responses 14/04/2020
COVID proof ETF algo no responses 14/04/2020
get_pricing for minute bars - last bar only close price? 6 responses 14/04/2020
Long-term investing on margin 33 responses 13/04/2020
Winsorize and zscore on a per sector basis 6 responses 13/04/2020
General questions about the Quantopia platform for someone who is has little experience being a quant. no responses 13/04/2020
Detect a consolidation no responses 13/04/2020
Identify supports and resistance no responses 13/04/2020
Creating a Portfolio Of Stocks no responses 13/04/2020
Algorithm buys even if I only short 1 response 13/04/2020
Laboratory 4 no responses 13/04/2020
Export from Notebook to flat file 2 responses 12/04/2020
AttributeError: 'list' object has no attribute 'sid' 3 responses 12/04/2020
got no data after date error, although my backtest ended before that date no responses 12/04/2020
Could you tell me how to do a real trade with IB from quantopian.com ? no responses 12/04/2020
I Want to Hire Someone to Build a Trading Bot 7 responses 11/04/2020
Morningstar columns update frequency no responses 11/04/2020
mean reversion- intraday vector analysis for overnight gains 1 response 11/04/2020
Factset: 3-Months Price Target Revisions(CustomFactor) 1 response 11/04/2020
Is it possible to use a CustomFactor to calculate alpha and beta for international markets? no responses 11/04/2020
Standardizing over the last month in lecture 39? no responses 11/04/2020
Passive vs Active Portfolios no responses 11/04/2020
how to Get Nasdaq Data no responses 11/04/2020
ACT3282-2020: Pairs Trading 3 no responses 10/04/2020
PsychSignal Trader Mood - Update 7 responses 10/04/2020
Can you pip install the Quantopian API? 3 responses 10/04/2020
. no responses 10/04/2020
HFT basket trading strategy 1 response 10/04/2020
RollingLinearRegressionOfReturns Error: unhashable type: 'list' no responses 10/04/2020
Syntax error in code from tutorial!! 2 responses 10/04/2020
Looking for someone to write a trading algo for hire no responses 09/04/2020
Looking for someone to help collab with me! I know the finance but not so much the Python! no responses 09/04/2020
Anyone interested in collaborating with me? Need help understanding a few things. no responses 09/04/2020
Bug Found - Lecture 18 (Residual Analysis) 2 responses 09/04/2020
New Video: Corporate Pension Fund Live Tearsheet Review & Winners Announcement Webinar no responses 08/04/2020
Extracting indices from Pipeline DataFrame as string tickers in a list. 6 responses 08/04/2020
Best way to debug 2 responses 08/04/2020
Issues calculating rolling max value 2 responses 08/04/2020
Resampling Futures Data Hourly no responses 08/04/2020
Just pipeline -- entry/exit logic? nanfill to combine two factors? 8 responses 07/04/2020
EquityPricing and FactSet data holdout period, how to get current data? no responses 07/04/2020
Want to create my first project no responses 07/04/2020
Futures Help - 'unhashable type' no responses 07/04/2020
How to fix weight per industry no responses 07/04/2020
AssertionError: real has wrong dimensions on RSI algo 1 response 07/04/2020
Making some experiments with Pipeline API no responses 07/04/2020
Making some experiments with Pipeline API no responses 07/04/2020
Infographics Challenge: Economic Implications of COVID-19 9 responses 06/04/2020
Equity Curve Trading w/ Circuit Breakers & Targets == (Seeking Help) no responses 06/04/2020
Running SimpleMovingAverage with derived data (Pipeline) no responses 06/04/2020
Can someone please explain line 3 of the attached code? no responses 06/04/2020
ETF data fields no responses 06/04/2020
Getting historic data between two dates in building an algorithm no responses 05/04/2020
calender spread at oil futures 1 response 05/04/2020
'Learn More' not appearing 1 response 05/04/2020
Smart Beta ETF correlation algo 2 responses 05/04/2020
Getting intraday VIX data? no responses 04/04/2020
weighting of S&P 500 holdings no responses 04/04/2020
Export daily information in a backtest 3 responses 04/04/2020
Limitations in backtest with 5 minutes candles - new member 2 responses 04/04/2020
Sahil Backtest no responses 04/04/2020
Scalping/Day Trading Algorithms 1 response 03/04/2020
historical window on fundamentals data no responses 03/04/2020
Error help needed re tutorial lesson 1 response 03/04/2020
Performance of S&P 500 Sectors & Industries no responses 03/04/2020
ACT3282 - 2020 : Pairs Trading 2 no responses 03/04/2020
Not getting the right data 2 responses 03/04/2020
Discrepancy actual portfolio positions versus ordered weights 2 responses 03/04/2020
How can I best prepare to start the lectures and courses? no responses 03/04/2020
Calculate the Mean of a Pipeline Factor no responses 03/04/2020
Plot Average Sentiment Score of a Basket of Stocks no responses 03/04/2020
Average Sentiment Score of Top Stocks in SPY no responses 03/04/2020
Economic Data on Quantopian no responses 02/04/2020
etf correlation analysis tool no responses 02/04/2020
stats.linregress in Notebook shows error message no responses 02/04/2020
Question about various indicators of the same stock. no responses 01/04/2020
Trouble with reversing current order no responses 01/04/2020
Is there anyone living in SE Michigan area: Detroit/Ann Arbor area that I can talk to because I know how the every market works mathematically and conceptually and can prove it. no responses 01/04/2020
How do i connect to my interactive brokers API? 2 responses 01/04/2020
Pandemic Event and Long/Short Equity Portfolios 15 responses 01/04/2020
How do I run notebook unattended and persist results? no responses 01/04/2020
Using the Mean of Todays Values within the Pipeline 22 responses 31/03/2020
Does anybody here use IBridgePy? 1 response 31/03/2020
Pulling a Sentdex Signal (Sentiment Score) on a Single Stock 2 responses 31/03/2020
looking for help with maximizealpha 1 response 30/03/2020
Need help with the example here no responses 30/03/2020
Update on Third-Party Corporate Pension Challenge 6 responses 30/03/2020
error on run_pipeline function 3 responses 30/03/2020
Problem with Custom Factor 3 responses 30/03/2020
ARIMA Model Algorithm no responses 30/03/2020
getting mean value of fundamental data no responses 29/03/2020
Momentum Factor & Long-Short Equity Strategy during Coronavirus (COVID-19) outbreak 32 responses 29/03/2020
Trouble doing Fama MacBeth Regression in Algo 5 responses 29/03/2020
Vanguard BND - correct SID? 2 responses 29/03/2020
Help with pipeline output index 2 responses 28/03/2020
Dema and WMA 6 responses 28/03/2020
Correlation between two stock in pipeline with a window size of N no responses 28/03/2020
Weird Mean Return by Sector. What have I done wrong? no responses 28/03/2020
Help creating an Algorithm that trades based on predicted returns 1 response 27/03/2020
Learn from the Experts Ep 4: Avoiding Overfitting via Cross-Validation with Joakim 8 responses 27/03/2020
The Returns Factor never works for me, can someone explain what I am doing wrong? 3 responses 27/03/2020
Three Quant Lessons from COVID-19 12 responses 27/03/2020
Mean target price day to day comparison no responses 27/03/2020
DELETED no responses 27/03/2020
Value, Momentum & Trend 2.0 no responses 26/03/2020
Inspecting quandl.cboe_vix fails 2 responses 26/03/2020
kelly criterion rebalancing no responses 25/03/2020
Revisiting Penny Stocks 2 responses 25/03/2020
No returns even though Logs says there are HELP!!! #Frustrated 2 responses 24/03/2020
ACT3282 - 2020 - Pairs Trading no responses 24/03/2020
. no responses 24/03/2020
Help with Tradable Universe Please no responses 23/03/2020
How to get closing price on a particular day for a company? no responses 23/03/2020
Getting Transactions of the current day no responses 23/03/2020
Help with Getting Started no responses 23/03/2020
"history()" equivalent in local Zipline environment? no responses 22/03/2020
morningstar can get short_name but not factset no responses 22/03/2020
How to obtain a list of closing prices and sort/filter it? no responses 21/03/2020
Grade system for backtesting key figures no responses 21/03/2020
How to use zipline or Quantopian packages to get 1 year and 3 month % change of stocks? no responses 21/03/2020
Fundamental analysis with dynamic exposure no responses 21/03/2020
efficient frontier of consumer defensive assets no responses 21/03/2020
Getting adjusted price in pipeline 3 responses 21/03/2020
How to get weekly closes starting from a given date? 1 response 21/03/2020
Sentiment trading strategy on all US stocks no responses 20/03/2020
Can someone show me how to construct a portfolio (newbee) no responses 20/03/2020
Optimizing this REIT index - BXIICCRT no responses 20/03/2020
pretrade market data ? no responses 20/03/2020
Help on checking the logic no responses 20/03/2020
New Challenge: Build Smart Beta Factors 254 responses 20/03/2020
speed up short term pair search no responses 20/03/2020
Looking for a tutor: Help me learn Quantopian and find out how a combo of SPY with puts would have performed 3 responses 20/03/2020
Market Manipulation no responses 20/03/2020
Optimizing Turnover in the Algo 1 response 19/03/2020
IC Mean vs Risk Adjusted IC no responses 19/03/2020
Quantopian Self Serve Dataset is not working 1 response 19/03/2020
Loading ETF prices no responses 19/03/2020
/ no responses 18/03/2020
UNAL Class Challenge 105 responses 18/03/2020
Simplebeta IDE Type Error 2 responses 18/03/2020
Upgrade 2.7 notebook to 3.5 1 response 18/03/2020
smart beta tilts? 1 response 18/03/2020
Quandl Data Import no responses 18/03/2020
Can't import psychsignal 3 responses 17/03/2020
Quandl CBOE_VIX depreciated? Any other good modules for this 1 response 17/03/2020
Portfolio Restructuring - Optimization no responses 17/03/2020
Different data in pipeline and data.history 2 responses 17/03/2020
After-hours best momentum help for schedule function no responses 16/03/2020
how to set up live trading 1 response 16/03/2020
testing no responses 16/03/2020
Zipline Output no responses 16/03/2020
New to Quantopian -- How to implement the Quantopian algorithm and trade it with real money? 2 responses 16/03/2020
What I Have Seen Over The Past Few Weeks 26 responses 15/03/2020
Record_vars for weightings? 4 responses 15/03/2020
Gap Up Strategy + ORB no responses 15/03/2020
How to change asset objects to string in dataframe returned from run_pieline 2 responses 15/03/2020
top 10 winners and top 10 losers for a specific date in a notebook no responses 14/03/2020
Does Quantopian have monte carlo or sensitivity testing Capabilities in research or the IDE? no responses 14/03/2020
COVID-19 Growth Analysis 7 responses 14/03/2020
Zipline update bundle with missing days no responses 14/03/2020
No progress in backtests 3 responses 14/03/2020
Does anyone know how to load a csv into zipline locally? no responses 13/03/2020
how the algorithm identify the timezone? 1 response 13/03/2020
Why do you divide the Sharpe Ratio by the standard deviation of excess returns and not just standard deviation of returns alone? no responses 13/03/2020
Find stocks with highest percentage difference from their high price N days ago. no responses 12/03/2020
Pipeline showing wrong day's close price 1 response 12/03/2020
quantile regression in backtest 1 response 12/03/2020
Pair Trading Algorithm - which is X, which is Y no responses 12/03/2020
New Video: Learn from the Experts Ep 3: Building Sector-Specific Factors with Leo 7 responses 12/03/2020
New Feature: Currency Conversion in Pipeline 1 response 12/03/2020
Anyone know how to code price action and candlestick patterns or if there are ones in the quantopian factors library? no responses 12/03/2020
CFD intraday historical data needed no responses 12/03/2020
How to fetch data for Indonesian stocks? 1 response 12/03/2020
USD/EUR strategy in mind no responses 12/03/2020
Reed College Finance and Investment Club Algo Trading Workshop no responses 12/03/2020
Looking to Live Trade with an Algorithm -- Any Help is Appreciated 1 response 11/03/2020
run_pipeline in local environment doesn't return yesterday price no responses 11/03/2020
Why is my spread increasing? no responses 11/03/2020
Zipline no responses 11/03/2020
Setting a Leverage Minimum 6 responses 11/03/2020
support OTC stocks ? 2 responses 10/03/2020
does Quantopian support: CustomFactor use it's own data as input? 1 response 10/03/2020
Reinvest Daily Cash - NEED HELP!!! 1 response 10/03/2020
Large-scale probability distribution possible in quantopian? 3 responses 09/03/2020
Pair trade spread increases, but shouldn't. no responses 09/03/2020
Can I pull Beta values for each stock? 5 responses 09/03/2020
Beginner question: how do I annualize alpha? no responses 09/03/2020
ema momentum algo HELP NEEDED!!!! 1 response 08/03/2020
A trial of using machine learning method 1 response 08/03/2020
Futures data no responses 08/03/2020
Prices in notebooks not updated on midnight? no responses 07/03/2020
Differences between Zipline and Quantopian no responses 07/03/2020
Seek for help, Modified Dietz method no responses 07/03/2020
Test 0307 no responses 07/03/2020
Factor Research Template - Trading Bot in Python Episode 4 no responses 07/03/2020
plot histogram versus time? 1 response 07/03/2020
Getting the companies that release their Earnings between 2 given dates 4 responses 06/03/2020
Data Quality Improvement - 2002-2012. 12 responses 06/03/2020
Quantopian Enterprise workflow - does it include integration of algo with trading platform? 1 response 06/03/2020
documentation for get_backtest returned object? 2 responses 06/03/2020
Help Needed (Renumeration offered) 1 response 06/03/2020
net debt to ebitda algo 2 responses 06/03/2020
403: forbidden 2 responses 05/03/2020
Help with Dollar Neutral constraint no responses 05/03/2020
Symbol names of Volatility index in research no responses 05/03/2020
Pursuing a Master's Degree in Statistics - Data Science Track no responses 04/03/2020
How can I Import a custom library 2 responses 04/03/2020
example code using Morningstar stock_type? 4 responses 04/03/2020
Usage of StaticAssets in zipline? no responses 03/03/2020
Pursuing a Master’s Degree 5 responses 03/03/2020
How can I analyze categorical data in notebook? 3 responses 03/03/2020
New Video: Insider Transactions Dataset Challenge Webinar no responses 03/03/2020
Short the VIX!! no responses 02/03/2020
Stock price in research environment doesn't correspond to real price 1 response 02/03/2020
USEquityPricing.close.latest doesn't return latest price no responses 02/03/2020
Standard deviation of factset fundamentals? no responses 01/03/2020
Algorithm for trading forex market. 2 responses 01/03/2020
A mean reversion algorithm no responses 01/03/2020
record_vars or log.info to record risk factors exposures for sector and style no responses 29/02/2020
Local Install - Mac w/Anaconda 1 response 29/02/2020
Update - Optimize timeout fix no responses 29/02/2020
Am I using filters correctly for creating my trading universe? no responses 29/02/2020
Getting Percentile of Custom Factor 2 responses 29/02/2020
Pipeline to buy or sell using ema no responses 29/02/2020
Is there a working way to import BTCUSD prices to test strategies? 1 response 29/02/2020
RuntimeWarning: Degrees of freedom <= 0 for slice. no responses 28/02/2020
Trouble with Japanese Equities 2 responses 28/02/2020
Low Volatility Trading enhanced with Fundamentals no responses 28/02/2020
Alphalens tearsheet great but algorithm backtest bad with same exact strategy? 1 response 28/02/2020
Inconsistent timing - Lecture 38 Example: Long-Short Equity Algorithm 4 responses 28/02/2020
Sector classification for International Equities 2 responses 27/02/2020
How to get value of VIX no responses 27/02/2020
Pair trading using OU process no responses 27/02/2020
Pyfolio and 6M Rolling Sharpe Ratio no responses 27/02/2020
Evolution of S-score no responses 27/02/2020
Daily open price for signal, close price for trade execution 2 responses 27/02/2020
CustomFactor question 8 responses 27/02/2020
Save and Use a Fitted Predictive Model 3 responses 27/02/2020
Developing Locally 3 responses 26/02/2020
Self-serve data from a public URL 2 responses 26/02/2020
Pyfolio Analysis no responses 26/02/2020
Net operating profit after taxes (NOPAT) - how? 5 responses 26/02/2020
First Strategy seeking Feedback - Momentum + Volatility + RSI no responses 26/02/2020
How are cumulative returns compute in alphalens? 1 response 25/02/2020
NonWindowSafeInput Scenarios no responses 25/02/2020
Request for white-listing 1 response 25/02/2020
Using alphalens on 2 domains combined into 1 pipeline to analyse factors - global investing 1 response 25/02/2020
Upgrading to Python 3 - Update 8 responses 24/02/2020
Can someone explain what TALIB's STOCH_SLOWK and STOCHF_FASTK are doing? no responses 24/02/2020
Is there a pair candidate filter? 1 response 24/02/2020
Problems Converting Research to IDE no responses 24/02/2020
Test1 no responses 24/02/2020
Question on comparing strategies 3 responses 23/02/2020
Funding no responses 23/02/2020
Momentum strategy with one month reversal no responses 23/02/2020
How to switch longs to shorts, vice-versa 6 responses 23/02/2020
net debt to ebitda ratio algo 2 responses 22/02/2020
Simple Mean Reversion Strategy no responses 22/02/2020
New Video: Learn from the Experts Ep 2: Fast Iterative Factor Development with Kyle 26 responses 21/02/2020
2019 equity quant themes underperformed - why? 36 responses 21/02/2020
Can some one help me 1on1 :C no responses 21/02/2020
Speed comparison - Offline Zipline environment 35 times faster than Online Quantopian (is this true???) 1 response 20/02/2020
Conference Opportunity: ODSC East 2020 Quantopian Discount no responses 20/02/2020
Why so many columns when calling "get_pricing" from a pipeline result? 5 responses 20/02/2020
TypeError: Already tz-aware, use tz_convert to convert. no responses 20/02/2020
Contest results for Tuesday, Feb 18 will be delayed 3 responses 20/02/2020
Quantopian Strategic Pivot 3 responses 20/02/2020
Issues with pyfolio no responses 20/02/2020
Short Interest Data pipeline for Quandl dataset 30 responses 20/02/2020
Risk Parity with Foreign Stocks no responses 19/02/2020
Alphalens - Dealing with stocks without previous pricing data 2 responses 19/02/2020
Sector Relative Strength EMA (12, 26) Crossover Algorithms no responses 19/02/2020
problem with TargetWeights 8 responses 19/02/2020
Poor man's strategy. no responses 19/02/2020
Sharpe ratio in a backtest no responses 19/02/2020
What is the Benchmark SPY ? 4 responses 19/02/2020
New Feature: Challenge Winner Badge no responses 18/02/2020
Factor preprocessing no responses 18/02/2020
run_pipeline in zipline (offline) 2 responses 18/02/2020
How to combine 2 domains into 1 pipeline 2 responses 18/02/2020
Alpha Architect no responses 18/02/2020
Up/Down Volume Moving Average no responses 17/02/2020
meaning of "split" in Zipline's data bundle no responses 17/02/2020
New to Quantopian 3 responses 17/02/2020
Custom factor Z-score for stock's pe_ratio over timeframe? no responses 17/02/2020
data.history retrieves Panel as opposed to DataFrame? 4 responses 16/02/2020
My bad simple syntax error... no responses 16/02/2020
Type Error : unhashable type 2 responses 16/02/2020
Capital Function Disabled? 1 response 15/02/2020
Algorithm not placing trades 1 response 15/02/2020
Alphalens with japanese stocks 1 response 14/02/2020
Trouble on creating of a CustomFactor since a Dataframe Column 1 response 14/02/2020
corporate credit rating data? 11 responses 13/02/2020
Correlation of volume spike prior to price spike no responses 12/02/2020
Pipeline data over the weekend? 2 responses 11/02/2020
Morningstar fundamentals EPS custom factor with a filter. no responses 11/02/2020
Can't load position data since 2/10/2020 1 response 11/02/2020
reserch 1 response 11/02/2020
DELETED 3 responses 10/02/2020
DELETED 46 responses 10/02/2020
DELETED no responses 10/02/2020
DELETED no responses 10/02/2020
Volume, Leverage 2 responses 10/02/2020
Global Equity Pricing and Fundamental Data 60 responses 10/02/2020
modificacion3 no responses 10/02/2020
Modificacion2 no responses 10/02/2020
Modificacion1 no responses 10/02/2020
Stuck on first algorithm 7 responses 10/02/2020
FactSet & Q Contest 2 responses 09/02/2020
Third-Party Challenge algo attempt 6 responses 09/02/2020
Different long short strategy algo. Additive and filter factors. no responses 09/02/2020
Machine Learning for fundamental data and to identify fundamental alpha factors no responses 09/02/2020
Take profit 2 responses 08/02/2020
Stop loss error 3 responses 08/02/2020
Periodic number of stockholders 1 response 07/02/2020
New Video: Learn from the Experts Ep 1 -- Full Algorithm Creation with Vedran Rusman 28 responses 07/02/2020
current price wanted 2 responses 07/02/2020
20 day RVOL calculator 3 responses 07/02/2020
New Strategy - Combining Sentdex & Bollinger Bands 2 responses 06/02/2020
data.history in Research IDE not recognized 2 responses 06/02/2020
AttributeError: 'Field' object has no attribute 'latest' (sentiment.sentiment_signal.latest) 2 responses 06/02/2020
'str' object has no attribute 'end_date' 2 responses 06/02/2020
How to use "order_optimal_portfolio" in correctly?(rebalance on different days, or just sell part of holding) 3 responses 06/02/2020
Need help with custom factor 7 responses 05/02/2020
Case 1 - Grace Ko no responses 04/02/2020
AFL code for arbitrage pair trading no responses 04/02/2020
test no responses 04/02/2020
Trouble filtering out industries in pipeline 3 responses 04/02/2020
Sentiment data 2 responses 03/02/2020
Find cummax() in range for trend following strategy 3 responses 03/02/2020
Get price using BusinessDays no responses 03/02/2020
AttributeError: 'Positions' object has no attribute 'itervalues' 2 responses 03/02/2020
Algorithm that runs for multiple stocks 5 responses 03/02/2020
Fixing "The Wisdom of The Crowds" 1 response 03/02/2020
Momentum: Stock splits causing issues with overlapping portfolios 4 responses 03/02/2020
Pairs Trading - Rahul Chekuri no responses 03/02/2020
limit order trigger condition and fill price with daily data 3 responses 02/02/2020
The Wisdom of the Crowd: How the Crowd Helps us Selects the Best Stock 13 responses 02/02/2020
Peculiarly high result, 10-30,000% no responses 02/02/2020
Newbie Post: EV/EBITDA Ratio with 200 day returns using Optimize API no responses 01/02/2020
Quantative Trading Algorithm combining value and momentum trading no responses 01/02/2020
Forum Update: Improved Thread Load Times 1 response 31/01/2020
Need guidance on simplifying variables within code 4 responses 31/01/2020
engineeredportfolio.com 5 Year no responses 31/01/2020
Using the open or close for EMA crossover trigger no responses 31/01/2020
problem w/ Sector().eq() - any ideas? 4 responses 31/01/2020
Universe Question 1 response 30/01/2020
Why does date_range give a result different from indexing [] for DataFrame Pandas dates? 2 responses 30/01/2020
Why I get this error? 2 responses 30/01/2020
Q500US cointegration check 1 response 30/01/2020
VIX Futures, VIX index, and SP options Data 2 responses 29/01/2020
Returns from Gary's Signal no responses 29/01/2020
At least a data source among fcf, fcf_per_share, and shares_outstanding is wrong 2 responses 29/01/2020
Sector specific Alphas? 1 response 29/01/2020
How to access minute-bars from past days? 2 responses 28/01/2020
Should we optimize parameter "N" from N-day-ahead stock returns? no responses 28/01/2020
How to find the R^2 values of multiple stocks 3 responses 27/01/2020
Capital Allocation Line no responses 25/01/2020
Third-Party Challenge questions/comments 10 responses 25/01/2020
Getting started no responses 25/01/2020
My first post no responses 25/01/2020
Industry Returns Correlation 3 responses 25/01/2020
StaticSids in research 2 responses 24/01/2020
Opt porfolio question as to how to keep retain hold shares 3 responses 24/01/2020
$10K Third-Party Challenge: Design a Factor for a Large US Corporate Pension 431 responses 24/01/2020
The filled price of LimitOrder 7 responses 24/01/2020
General Update on Quantopian OSS 1 response 23/01/2020
'numpy.ndarray' object has no attribute 'zscore' Error 8 responses 23/01/2020
Commodity Data no responses 23/01/2020
Need a consultant who is experienced with backtesting using zipline. no responses 22/01/2020
Zipline JSON Decode Error no responses 22/01/2020
Investing in algorithms as a private person 2 responses 22/01/2020
Basic daily signals 1 response 22/01/2020
Schedule year start 1 response 21/01/2020
DELETED 4 responses 21/01/2020
DELETED 18 responses 21/01/2020
Noob Question - Context instead of Global Variables 2 responses 20/01/2020
Insider transactions based models - OOS tearsheets 13 responses 20/01/2020
[deleted] no responses 19/01/2020
macd 2 year test on kodk no responses 19/01/2020
rsi 2 year test on kodk no responses 19/01/2020
support resistance 2 year test on kodk no responses 19/01/2020
When to combine factors, and when not to 11 responses 19/01/2020
how to make an strategy in quantopian 1 response 19/01/2020
How do I get Slow Stochastic result from FastStochasticOscillator Factor 6 responses 19/01/2020
why does it have the same length after I use the unique function? 1 response 19/01/2020
Check if ROA has increased from the previous quarter? 2 responses 18/01/2020
Having a tough time putting skeletons in my closet 6 responses 18/01/2020
Need help with EMA Crossover strategy 1 response 18/01/2020
Need help creating a "Buy" signal when divergence is a certain value (MACD) no responses 18/01/2020
Bug: order_optimal_portfolio tosses small weights 6 responses 17/01/2020
Corporate Actions and Price Adjustment Video Series Out Now no responses 17/01/2020
Need help installing zipline and pyfolio - paid gig 1 response 17/01/2020
Portfolio 1 no responses 17/01/2020
Exclusive alternative data no responses 17/01/2020
Import of run_pipeline not working. 2 responses 16/01/2020
Help with Factor Scaling 3 responses 16/01/2020
Golden Cross and RSI Algo no responses 16/01/2020
order_target_percent and schedule 1 response 14/01/2020
How to Air play Quantopian lectures to Samsung tv? no responses 14/01/2020
Analyst Recommendations: Got alpha? no responses 14/01/2020
Ranking factors, but normalizing ranks based on NaNs 1 response 14/01/2020
Sharing a notebook with my team mate 5 responses 14/01/2020
Pipeline for finding closely correlated stocks? 2 responses 14/01/2020
Jarque-Bera Test and p-values 6 responses 13/01/2020
forum bug 4 responses 13/01/2020
3 day moving average and bull_minus_bear no responses 12/01/2020
PYTHON 3.5 RUNTIME ERROR 1 response 12/01/2020
How to get the data of Indian stocks for analysis. 3 responses 12/01/2020
dump no responses 12/01/2020
DELETED 1 response 12/01/2020
DELETED no responses 12/01/2020
DELETED 1 response 12/01/2020
DELETED no responses 12/01/2020
Alpha Concentration by Sector 2 responses 10/01/2020
Custom Factor to calculate return since Earning announcement date 2 responses 10/01/2020
code performance review 3 responses 10/01/2020
Index constituents over time no responses 09/01/2020
Questions of getting the current data from pipeline 2 responses 09/01/2020
Looking for advice no responses 09/01/2020
Modifying risk constraints based on time of the year no responses 08/01/2020
Morningstar Data Descriptions no responses 08/01/2020
Coercing full fill of orders during a day in backtest 2 responses 08/01/2020
Data showing company slashed earning forecast? 1 response 08/01/2020
Getting Started with Quantopian: Help 1 response 08/01/2020
Predicting realized volatility using Google Trends no responses 07/01/2020
getting VIX index data for futures trading no responses 07/01/2020
Noob needs help 4 responses 07/01/2020
zipline: order_target not selling assets 1 response 07/01/2020
My Wilder's MA looks quite different in Notebook than in Algorithm platform... 10 responses 06/01/2020
Positive skew in invested assets as proxy for long term outperformance / increasing skewness of momentum trading strategy. 2 responses 06/01/2020
Factset/Morningstar data documentation quick link navigation no responses 06/01/2020
Update to TargetWeights/Optimize bug? 2 responses 05/01/2020
Where are hedge funds based on Quantopian algorithms? 1 response 05/01/2020
Your Thoughts On Walk-forward Testing To Assess Robustness no responses 05/01/2020
Migrate Q strategies to IBridgePy that supports Backtest and live trading with Interactive Brokers and Robinhood 1 response 05/01/2020
How to Build a Portfolio Like a Billionaire no responses 04/01/2020
Where can one see the performance of the Quantopian Fund? no responses 04/01/2020
MACD and ATR trailing stop no responses 03/01/2020
Custom dataset being altered 1 response 02/01/2020
Fund Economics & Compensation 7 responses 02/01/2020
Are backtests working properly? 2 responses 01/01/2020
RSI Increasing/Decreasing no responses 01/01/2020
Bitcoin algo with a PF over 1.5 but need some help coding. no responses 01/01/2020
How to multiply a custom factor slice by an integer? 4 responses 31/12/2019
Backtesting is very slow and won't progress 4 responses 31/12/2019
How to store tick data efficiently for analysis and backtest in my local system ? no responses 31/12/2019
Ichimoku Based Algorithm not executing orders 2 responses 30/12/2019
New Tearsheet Challenge: Insider Transactions Dataset, $5000 in Prizes! 219 responses 29/12/2019
Help me out in alpha discovery for the new Tearsheet Challange 11 responses 28/12/2019
Buy/Sell Quantopian Algorithms in an open way 21 responses 28/12/2019
TypeError: rank() missing 1 required positional argument: 'self' 1 response 28/12/2019
Min Correlation 2 responses 27/12/2019
Minimum Correlation 1 response 27/12/2019
Estimating Leveraging Cost 2 responses 27/12/2019
2nd Trial no responses 26/12/2019
My first trial no responses 26/12/2019
TD Ameritrade - Quantopian 2 responses 26/12/2019
How to use history() properly no responses 25/12/2019
Trading model no responses 24/12/2019
High B/M, low Vol, 25 stocks, long only, 2003 - 2019 no responses 24/12/2019
High B/M, low Vol, 50 stocks, long only, 2003 - 2019 no responses 24/12/2019
High B/M, low Vol, 25 Stocks, long only + low costs no responses 24/12/2019
High B/M, low Vol, 25 Stocks, long only no responses 24/12/2019
IM trading strategy no responses 24/12/2019
Seems to be too much memory 1 response 24/12/2019
High B/M, Low Vol Long Only Portfolio no responses 24/12/2019
get_pricing for changed symbols no responses 24/12/2019
Missing data on IPO date no responses 24/12/2019
Building an Intrinsic Value Calculator no responses 23/12/2019
I need help with defining "context" no responses 23/12/2019
Help with Back test Algorithm coding 3 responses 23/12/2019
How to create a function that closes individual trades (not positions) after N days of being opened? no responses 23/12/2019
MaxDrawdown - odd calculation no responses 22/12/2019
random seed no responses 22/12/2019
Bayesian analysis in Pyfolio is not longer supported - why? no responses 22/12/2019
How do I get Buy and Sell Signals from an Algo? 2 responses 21/12/2019
Sample Mean-Reversion no responses 21/12/2019
The Next Quantopian-Based Paper on Uncovering Momentum 20 responses 21/12/2019
How to trade if no trades in last 30 days no responses 21/12/2019
schedule_function not working? I keep getting "Local variable 'schedule_function' is assigned to but never used" 2 responses 21/12/2019
Implementing Complex Scoring Mechanisms no responses 21/12/2019
Sample no responses 20/12/2019
Dividends ex-date. 2 responses 20/12/2019
The CEO Arrogance/Narcissist Index 17 responses 20/12/2019
Creating Alpha By Using Fundamentals In Utilities Sector no responses 19/12/2019
Why does Morningstar shares_outstanding give me a float and negative numbers? 1 response 19/12/2019
Why does maximizing returns perform worse than maximizing (price - price*returns) 7 responses 19/12/2019
How to close out trades given a condition is met. (i.e., N days have past, OR, the position has reached a % return threshold) no responses 19/12/2019
Morningstar Headquarter City Data no responses 19/12/2019
Is it a bias to use all historical constituents of index in backtesting? 2 responses 19/12/2019
Factor model - daily factor returns 3 responses 19/12/2019
Testing od posting result no responses 19/12/2019
Sentdex Dataset no responses 18/12/2019
Compare many trading strategies, each with many variants no responses 18/12/2019
How to get slope of moving average in pipeline? 2 responses 18/12/2019
"IP is 99% of the value of Quantitative Finance" no responses 18/12/2019
last date to fetch data not current 1 response 18/12/2019
How to get Shiller PE 1 response 18/12/2019
Simple monthly SPY leveraged long-only strategy no responses 17/12/2019
"taxiness" factor? 1 response 17/12/2019
Clarifications to our Terms of Use no responses 16/12/2019
ETB only universe no responses 16/12/2019
sample no responses 16/12/2019
Recording Turnover 3 responses 15/12/2019
where else for paper trading? no responses 15/12/2019
make_pipeline() TimeOut error in IDE 2 responses 15/12/2019
How to get the past N day rolling return? 2 responses 15/12/2019
Closing Position no responses 14/12/2019
contest scores changing over time? 3 responses 14/12/2019
ETF TAA 10 responses 14/12/2019
RSI indicator and hitrate or reward risk no responses 14/12/2019
Can´t use Research Notebooks [Solved] 4 responses 14/12/2019
Universe filter in pipeline not being applied? 1 response 13/12/2019
documentation for RollingLinearRegressionOfReturns? 3 responses 13/12/2019
Whatever happened to the Quantopian-Point72 partnership? 1 response 13/12/2019
Using Tearsheet Results (or equivalent) Live 2 responses 13/12/2019
Lookup to Find Info no responses 13/12/2019
Feature scaling for multiple assets with sklearn/random forest 4 responses 13/12/2019
TargetWeights short orders going long for no reason no responses 13/12/2019
which backtester? no responses 12/12/2019
When does this algorithm sell? 2 responses 12/12/2019
Place order in zipline with amount in decimal places 2 responses 12/12/2019
Big News for the Community: More Opportunities to License Your Algorithms 38 responses 12/12/2019
asian session high & low script no responses 12/12/2019
Kalman_backtest_20190401-20190630 2 responses 12/12/2019
Quick question - how to use regression outputs to predict returns no responses 12/12/2019
Portfolio Visualizer website 2 responses 12/12/2019
How do I code for the MACD? Newbie here learning. 1 response 12/12/2019
Who modified my algorithms in the last day? I haven't touched my algorithms in a week. 1 response 11/12/2019
debugger performance no responses 11/12/2019
Documentation and Help 9 responses 11/12/2019
Anyone out there...? 1 response 11/12/2019
Stop Loss and Take Profit with order_optimal_portfolio 1 response 11/12/2019
Need help understanding/conceptualizing API no responses 11/12/2019
Quick Troubleshooting Question 3 responses 11/12/2019
Issue with show_graph() method of Pipeline no responses 10/12/2019
error to instal ZIPLINE conda no responses 10/12/2019
Setting custom factor as input to a Random Forest no responses 10/12/2019
SR zones management no responses 10/12/2019
Liquid ETF contest on QuantConnect no responses 10/12/2019
Uploading CSV File no responses 08/12/2019
Variable Position Sizing no responses 08/12/2019
Financials tearsheet challenge entry 8 responses 07/12/2019
Normality tests no responses 07/12/2019
Sample backtest 15 responses 07/12/2019
End of Paper Trading 54 responses 06/12/2019
backtesting with machine learning models: in sample + out of sample no responses 06/12/2019
SPY-XLF rolling 20-day correlation of daily returns 2 responses 05/12/2019
Testing strategy on Alphalens no responses 05/12/2019
Factor Regression no responses 05/12/2019
how i can tell wich stock is it when there are 2 or more Tickers? no responses 04/12/2019
5 Day EMA with RSI and EPS std_dev filters no responses 04/12/2019
Custom Factor using "open" 2 responses 04/12/2019
Contrast set mining fundamental data no responses 02/12/2019
Lecture 11 Binomial Random Variable class definition no responses 30/11/2019
Strategy: Momentum at a fair price + reversal in bear markets 3 responses 29/11/2019
Trade / Rebalancing at first Wednesday every month 2 responses 29/11/2019
Pair Trading in Google Sheet no responses 29/11/2019
question about CustomFactor 1 response 28/11/2019
Renko based strategy 2 responses 28/11/2019
Looking For Python Book 4 responses 28/11/2019
Sample_Mean_Reversion no responses 27/11/2019
Microsoft 163.33% no responses 27/11/2019
NVIDIA 201.72% no responses 27/11/2019
AMD 453.02% 1 response 27/11/2019
Sector Average Values are Different Depending on how They're Calculated? 3 responses 26/11/2019
Can we fetch the stock price of India's stocks by get_pricing()? 1 response 26/11/2019
When I type "open" in the notebook it is interpreted different. no responses 26/11/2019
ADX custom factor for pipeline 1 response 26/11/2019
Full Mean Reversion no responses 26/11/2019
How do you download a picture of your algorithm? 4 responses 26/11/2019
How to use the apply() on talib.CDLENGULFING() for multiple securities? 2 responses 26/11/2019
Folders for Algorithms 1 response 25/11/2019
Financials tearsheet challenge 87 responses 25/11/2019
Up/down side volume 2 responses 25/11/2019
Black Litterman Portfolio Optimization - high alpha of 0.13 no responses 24/11/2019
Sample no responses 24/11/2019
Sentiment Strategy no responses 24/11/2019
How are we supposed to upload our own Classifiers? 1 response 24/11/2019
alphalens get_clean_factor_and_forward_returns() 'prices' parameter 2 responses 24/11/2019
Hello_world_Coupa_Software_Incorporated_(COUP) no responses 24/11/2019
Hello_world_NovoCure_Limited_(NVCR) no responses 24/11/2019
Hello_world_The_Trade_Desk_Inc_(TTD) no responses 24/11/2019
Hello_world_Arrowhead_Pharmaceuticals_Inc_(ARWR) no responses 24/11/2019
Hello_world_Tandem_Diabetes_Care_Inc_(TNDM) no responses 24/11/2019
Mistakes in Earnings Dates in Factset Data no responses 24/11/2019
Problem resampling 1 minute bars into 60 minute bars 5 responses 23/11/2019
Tradable Universe 2 responses 23/11/2019
Adding industry filters 1 response 23/11/2019
improving Algorithm no responses 23/11/2019
Simple MA strat no responses 23/11/2019
New Strategy - Presenting the “Quality Companies in an Uptrend” Model 443 responses 22/11/2019
Silly question about Available Cash 1 response 22/11/2019
Passing self data as input to custom factor no responses 22/11/2019
Fail to replicate Alphalens Backtest Returns no responses 22/11/2019
my test 2 no responses 21/11/2019
my test 1 no responses 21/11/2019
my test 1 no responses 21/11/2019
my test1 no responses 21/11/2019
Create a custom factor based on time of year and/or sector? no responses 21/11/2019
Naming self serv data 3 responses 21/11/2019
Commodity_Channel_Index help needed no responses 21/11/2019
How to get ratios 1 response 21/11/2019
FOREX DATA. 1 response 21/11/2019
A levered diversified three asset class strategy no responses 21/11/2019
Futures data missing 1 response 20/11/2019
Does a strong negative return in alphalens create_returns_tear_sheet indicate inverse signal or just unuseful data? 5 responses 20/11/2019
How do I backtest using a list of specific stocks for my algorithm ? 1 response 20/11/2019
positive returns in 2017 no responses 20/11/2019
- 1 response 19/11/2019
Error when I try to build algorithm, but none when running in research 2 responses 19/11/2019
Specific returns in Research? 3 responses 18/11/2019
Is it wise to combine related factors to get a higher alpha? 2 responses 18/11/2019
Kernel "not connecting" - new user 3 responses 18/11/2019
I am fairly New here How would I go about converting this into a algo no responses 18/11/2019
Count the number of business days since Earnings 2 responses 18/11/2019
Get Today's Top gainers 2 responses 17/11/2019
Historic data within certain time frame no responses 17/11/2019
What's a good combined alpha IC mean score? 7 responses 17/11/2019
Best algo trading platforms 3 responses 17/11/2019
Earnings Notebook, days since earnings release 3 responses 17/11/2019
Algoritmo precio y volumen no responses 16/11/2019
Set a non-US asset as benchmark no responses 16/11/2019
Swedish index (OMXS30) example no responses 16/11/2019
Basically trying to buy when close_price is <= Lower Band and sell when close-price reaches SMA 20 day. Could anyone please help? 2 responses 15/11/2019
Modification2 no responses 14/11/2019
Modificaiton1 no responses 14/11/2019
Question about datasets 3 responses 14/11/2019
Seems like 2007 2 responses 14/11/2019
In port risk, is beta calculated by using daily or weekly return? no responses 14/11/2019
Can I get get a single intraday price at a specific time using get_pricing()? 1 response 13/11/2019
NameError: global name 'update_universe' is not defined 1 response 12/11/2019
Execute at vwap field using OHLCVW 1 response 12/11/2019
Strategy with fundamentals and growth 4 responses 12/11/2019
Fundamentals : "morningstar" or "factset" no responses 12/11/2019
Why this algorithm does not trade? 1 response 12/11/2019
Statistical arbitrage 1 response 12/11/2019
How can I build a function to calculate weighted standard deviation/coefficient of variation? 2 responses 12/11/2019
How to download full backtest result? no responses 12/11/2019
Did backtest data get reset to 11/05/19? 7 responses 12/11/2019
Automated and optimal price data labelling into SHORT and LONG no responses 11/11/2019
FactSet: net_inc_dil_af vs. net_inc_basic_af no responses 11/11/2019
Fetch external macroeconomic data as self serv data 7 responses 11/11/2019
A machine learning template for Japan tearsheet challenge no responses 11/11/2019
Im willing to run a pipeline just on sotck of a particular sector but i cant 2 responses 11/11/2019
Using the optimizer to go 2x long and 1x short no responses 11/11/2019
Non US Equities are only until 2018-11-11 4 responses 11/11/2019
Factor based strategy using share-issuance no responses 11/11/2019
Help needed for factor analysis and backtesting 2 responses 10/11/2019
Different backtest results despite same conditions? no responses 10/11/2019
Sorting and getting top n of rows in Pipeline with Custom Factor 3 responses 10/11/2019
Long-term (30D?) vs Short-term Trading (1D) no responses 10/11/2019
setting hard stop no responses 10/11/2019
Not managing to get an algorithm to work 5 responses 10/11/2019
Timing Code 2 responses 10/11/2019
Plotting Data - New Guy Here 2 responses 09/11/2019
Errors in independent variables no responses 09/11/2019
Earning release data no responses 09/11/2019
Negative returns at the very beginning of backtest period. 1 response 09/11/2019
Attempting To Combine Two Factors with Specific-Factor-Filters no responses 08/11/2019
Correlation between stocks and bonds no responses 08/11/2019
Upgrading to Python 3 18 responses 08/11/2019
Magic Formula 1 response 07/11/2019
Short Interest 1 response 07/11/2019
Hi I am new to jupyter notebook, I have been using PyCharm quick question; I am reviewing the tutorial... 1 response 07/11/2019
Contest entry stopped with error "Brainslug shutdown" 6 responses 06/11/2019
Expanding Research environment by Interactive charts with Plotly, Cufflinks 8 responses 06/11/2019
Truth value of a series 3 responses 06/11/2019
Is it possible to have a workspace on Quantopian research 1 response 05/11/2019
Open or close should be used? no responses 05/11/2019
Not adjusted data : filter for small prices no responses 05/11/2019
date is not correct in the prices i get 3 responses 05/11/2019
Upcoming Change to Morningstar Industry and Industry Group Classifications 4 responses 04/11/2019
New Data: Aggregated Insider Transactions 5 responses 04/11/2019
monument no responses 04/11/2019
Creating a Custom Factor with multiple inputs 1 response 04/11/2019
Connection fail 2 responses 04/11/2019
Minute Data in Pipeline Notebook 5 responses 04/11/2019
Interpretation of style factor report 1 response 04/11/2019
Does backtest work for everyone at night? 3 responses 03/11/2019
How to Time Sale Execution via order_optimal_portfolio? 1 response 02/11/2019
November 1st data please 1 response 02/11/2019
Contest results for Friday, November 1 will be delayed no responses 02/11/2019
Issues with pyfolio (running for the first time) no responses 02/11/2019
ERROR: Unable to get Fundamental data up until TODAY 2 responses 02/11/2019
Tokyo Quantopian User Group Japan Tearsheet Challenge 4 responses 02/11/2019
How deploy the algorithm? no responses 01/11/2019
Daily returns don't match with prices? 2 responses 01/11/2019
Quantopian Management's Team on Algebraic Topology 4 responses 31/10/2019
Does it need to open a internet browser while run backtest 2 responses 31/10/2019
Maths for Quant Trading no responses 31/10/2019
Geographic Diversity in the Quantopian Community 1 response 31/10/2019
Can't figure out why both Fetch_csv and self-serve data keep forward-filling my data 5 responses 31/10/2019
Unsupported operand type(s) 2 responses 30/10/2019
Vectorized Implementation to get TTM data 6 responses 30/10/2019
Custom Factor no responses 30/10/2019
Japan tearsheet challenge 64 responses 30/10/2019
specific dates percentage change 2 responses 30/10/2019
Help with issue: Algorithm is buying and selling at the same time. no responses 29/10/2019
Looking for someone to code my strategy no responses 29/10/2019
Pairs trading questions 1 response 29/10/2019
Scipy version question 3 responses 28/10/2019
Getting Benchmark Pricing Within a Custom Factor 1 response 28/10/2019
Swedish equities 4 responses 27/10/2019
Cannot upload my Custom Dataset 2 responses 27/10/2019
Students' backtest algo template no responses 27/10/2019
Strange behaviour of CustomFactor calculating slope of linear regression 2 responses 27/10/2019
Extracting value from CSV file no responses 27/10/2019
Q500 Filter does not seem to work properly 4 responses 27/10/2019
Is there a way to set a stop loss when using calculate_optimal_portfolio? no responses 26/10/2019
Dataset for relationships between companies? no responses 26/10/2019
Friday 10/25 back test data please 2 responses 26/10/2019
unable to get Australian stock's close with symbols 1 response 26/10/2019
Momentum, Value, and a little bit of mean reverting 41 responses 26/10/2019
Notebooks 403 : Forbidden? 8 responses 26/10/2019
How to get [net profit growth rate]? 4 responses 26/10/2019
Rookie's questions about a mean-reverse algorithm 2 responses 26/10/2019
Looking for help with finding a beta for the Canadian market 1 response 25/10/2019
How to use prepare data for optimise 'objective' no responses 25/10/2019
Problem with Historical EPS no responses 25/10/2019
Docker Zipline Install Failing no responses 24/10/2019
from numexpr import evaluate no responses 24/10/2019
Understanding Returns() 1 response 24/10/2019
Pipeline Preview: Overview of pipeline content easy to add to your backtest (log preview any series or dataframe) 4 responses 24/10/2019
downsample with settings other than 'xxxx_start'? 1 response 24/10/2019
Strange issue with Pipeline - Screen=Universe not working 2 responses 24/10/2019
Live Trading Algos no responses 23/10/2019
Rebalance not Exiting Positions Properly 2 responses 23/10/2019
Pandas version 1.0 is coming (any plans on updating?) 2 responses 23/10/2019
help with how to ensure that algorithm is not investing more than 5% of total exposure in a single stock no responses 23/10/2019
Using Self Serve Data in Zipline Locally no responses 22/10/2019
Please help me understand job position "Algorithmic Trading Models validation" no responses 22/10/2019
Something went wrong. Sorry for the inconvenience. 2 responses 22/10/2019
not getting results on any stocks 3 responses 22/10/2019
Backtest strategy: buy market and buy put option to cover no responses 22/10/2019
Am I doing something wrong? Pipeline row count *not consistent* 3 responses 21/10/2019
How to get Institutional & Insider ownership percentages of an equity? 2 responses 21/10/2019
Backtest with Fundamentals.cash_return.latest 1 response 21/10/2019
any idea on how to improve performance? 1 response 21/10/2019
Bad error: unsupported operand type(s) for &: 'int' and 'Latest' 2 responses 21/10/2019
Feedback on zipline-live2 - Trading with Real Money 5 responses 20/10/2019
Algothon_Xboostallresults no responses 20/10/2019
Algothon2019_SupplyChain_and_Governance no responses 20/10/2019
Algothon_BT no responses 20/10/2019
Help with dfs_quant constraints (calculating optimal portfolio) 1 response 19/10/2019
Whats the story with getting old backtests to work on Quantopian? 1 response 19/10/2019
Paid coding for easy strategy no responses 19/10/2019
Data delayed again? 1 response 18/10/2019
GAS no responses 18/10/2019
Manipulating dataframes on notebook 2 responses 18/10/2019
5- Mean Reversion. 5 days look back no responses 17/10/2019
5- Mean reversion- 10 days look back no responses 17/10/2019
optimal_portfolio? 2 responses 17/10/2019
Trend Following Short UVXY no responses 17/10/2019
3X Leverage ETF Arbitrage -NUGT/-DUST 4 responses 17/10/2019
4- Trendfollowing- every month. SMA 200. 1 hour after no responses 17/10/2019
4- Trendfollowing- every week. SMA 200. 1 hour after no responses 17/10/2019
4- Trendfollowing- every day. SMA 200. 1 hour after no responses 17/10/2019
4- Trendfollowing- every day. SMA 100. 1 hour after no responses 17/10/2019
3-MAD rest 2018 no responses 17/10/2019
0- Benchmark 2018 no responses 17/10/2019
Excluding pipeline items from a top() list no responses 17/10/2019
2-markowits other stocks no responses 16/10/2019
2-rest to 2018 makrowits no responses 16/10/2019
0-Benchmark no responses 16/10/2019
How can monthly and weekly correlations have different signs (and can we exploit this)?!? no responses 16/10/2019
0-Benchmark's data. 2003-17 no responses 16/10/2019
This backtest didn't generate any logs 2 responses 16/10/2019
1- Buy and hold no responses 16/10/2019
Updated backtest of QFC algorithm no responses 16/10/2019
Unsuccessful Backtest no responses 16/10/2019
Python code to change rebalance day no responses 16/10/2019
3- MAD -rest no responses 16/10/2019
3-MAD finish - ok. 2015 no responses 16/10/2019
2--good resulst for no responses 16/10/2019
2- Markowits finish the 6 month. no responses 16/10/2019
2-Markowits Finish - from 2003- to 2017 jun no responses 16/10/2019
etf rotation strategy building no responses 16/10/2019
Importing excel csv no responses 16/10/2019
Live Trading Algos with Real Money 8 responses 16/10/2019
Algorithmic Trading Momentum v2 no responses 15/10/2019
2- from 2003-9--- not complet 1 response 15/10/2019
1- simple buy and hold.-.... 2003-19 no responses 15/10/2019
New Video: Getting Started on Quantopian for Students w/ Dr. Tom Starke no responses 15/10/2019
Newbie question: How do we output the transactions for Dividend and Stock split in logs no responses 15/10/2019
Tensorflow with Quantopian 5 responses 15/10/2019
help with algorithm using z score and moving averages. 2 responses 15/10/2019
Algorithmic Trading Project - Momentum no responses 15/10/2019
Length inconsistency of Pipeline output using self-driven data 2 responses 14/10/2019
Hello no responses 14/10/2019
CustomFactor calculation - managing NaN's when doing zfactor 8 responses 14/10/2019
Restricting data to stock with guidance data no responses 14/10/2019
Mistake in Earnings Report Times 3 responses 14/10/2019
How to calculate current number of down days 3 responses 14/10/2019
SImple moving average crossover 2 years no responses 13/10/2019
Get EMA of RSI 4 responses 13/10/2019
Volume factor 2 responses 10/10/2019
Backtesting broken? 1 response 10/10/2019
ROBO no responses 10/10/2019
Optimize debugging??? 2 responses 09/10/2019
Is the Research environment a paid one or is it free for everyone? 2 responses 09/10/2019
Does BarData.current(assets, fields) returns the adjusted price ? 4 responses 09/10/2019
Study Guide no responses 09/10/2019
ROE N days ago not working bug 7 responses 09/10/2019
get_pricing with machine learning on the backtest 1 response 08/10/2019
Salholtra Quantopian Hackathon Defense no responses 08/10/2019
Saving TearSheet as Variable no responses 08/10/2019
Self serve data without access to symbols 11 responses 07/10/2019
RSI Average period calculation no responses 07/10/2019
Trend Following reproduction attemp 1 response 06/10/2019
Global equities price data 2 responses 06/10/2019
HEEEEEEEEELP! Problems with ML in Pipeline! no responses 05/10/2019
event-based guidance algo? 18 responses 05/10/2019
Consecutive Selling Signals no responses 05/10/2019
Pipeline built in factor RSI does not work for short look back 3 responses 04/10/2019
Any back data available for 10/2? 8 responses 03/10/2019
Intermittent ValueError with quandl.fred_gnp 2 responses 03/10/2019
Having trouble runnig Pipeline 1 response 03/10/2019
ETFs, Volatility and Leverage, Towards a New Leveraged ETF Part 1 no responses 03/10/2019
Abnormal returns! What could be a reason for it? 2 responses 03/10/2019
SEC - Comments on Earnings Releases and Quarterly Reports no responses 03/10/2019
Python Code Help 2 responses 02/10/2019
Notebooks access issue 1 response 02/10/2019
The next tearsheet challenge is here: come up with factors for the guidance dataset 80 responses 01/10/2019
Comparing the same strategy for SPY&SH vs QQQ&PSQ. Returns 500+ vs ~0% 1 response 30/09/2019
Fundamentals Charts 5 responses 30/09/2019
First Algo on Quantopian using the Debt to Equity Ratio 5 responses 30/09/2019
Opening Anaconda on Mac no responses 30/09/2019
Machine Learning Earnings Lead-up 1 response 29/09/2019
A Professional Quant Equity Workflow - high resolution workflow graphic no responses 29/09/2019
Quantopian documentation search - how does it work? no responses 29/09/2019
Normal code. 15 years no responses 29/09/2019
removed the sharp ration. 15 years no responses 29/09/2019
Simple way Algorithms about "Short VIXY" no responses 29/09/2019
n no responses 28/09/2019
markowits 15 years no responses 28/09/2019
Back test of 50 stock 2003-2016 no responses 28/09/2019
What is the difference between Quantopian data and the quantopian-quandl bundle no responses 28/09/2019
markowits no responses 28/09/2019
12 years markowits no responses 28/09/2019
How to retrieve for the entire universe past performance, shareholder friendliness and cheapness metrics? no responses 28/09/2019
Stochastic Indicator from Esignal to TradeStation - Need Help no responses 28/09/2019
Live Webinar: Winner Announcement and Tearsheet Review for the Estimates Dataset Tearsheet Challenge 3 responses 27/09/2019
How to accept/reject alpha factors? 119 responses 27/09/2019
Demo no responses 27/09/2019
How to find stocks that break trading range? no responses 27/09/2019
Two securities: ratio MACD? 2 responses 26/09/2019
How do I know if a security is shortable? no responses 26/09/2019
Newbie NEEDs HELP ON IDEA ! no responses 25/09/2019
Risk Model Exposure 1 response 25/09/2019
Cuestions about Factors from a newbie no responses 25/09/2019
Python help 2 responses 25/09/2019
deleted no responses 25/09/2019
alpha factor - please review & comment no responses 25/09/2019
New Documentation (Official Release) 6 responses 24/09/2019
Momentum 1 response 24/09/2019
Hybrid ARIMA-LSTM Model 2 responses 24/09/2019
Bug Fix - Comparing BoundColumns 1 response 23/09/2019
Moving Average Deprecation no responses 23/09/2019
Thanks for sharing no responses 23/09/2019
how to use Alphalens with economic indicators data 2 responses 23/09/2019
History data does not match real time data 2 responses 22/09/2019
How to get each stock's value or return. 1 response 22/09/2019
Upload Custom Data no responses 21/09/2019
Beep boop bop no responses 21/09/2019
Where can i trade ??? 3 responses 20/09/2019
Key Error when trying to print length of list no responses 20/09/2019
How to use the talib.SMA() on a DataFrame with multiple stocks? 8 responses 20/09/2019
How do I reference to a Close specifically X days ago? 4 responses 20/09/2019
Adding a factor that calculated from other factors' history no responses 20/09/2019
deleted post 5 responses 20/09/2019
Built in factor "Daily Return" adjusted by dividends and splits? no responses 20/09/2019
Backtest 10 no responses 20/09/2019
deleted Post no responses 20/09/2019
Tearsheet and Questions 12 responses 19/09/2019
Gretl no responses 19/09/2019
Morningstar - a lot of missing values 3 responses 19/09/2019
A test notebook for RSI no responses 19/09/2019
Multifactor regression to test alphas 6 responses 18/09/2019
Leaderboard temporarily disabled (FIXED) 1 response 17/09/2019
Computing Excess Returns (relative to SPY) in Pipeline 7 responses 17/09/2019
Help needed on my intraday backtest for WTI Crude Futures no responses 17/09/2019
Weird error - make_pipeline() takes exactly 1 argument (0 given)?! 2 responses 16/09/2019
Where and how to get the complete list of the Fundamentals? 2 responses 16/09/2019
How to make a condition where all trades are individually closed out X days after they were opened? 5 responses 15/09/2019
buy one stock at specified date and sell it at some price, but algorithm always 0%, why? 4 responses 14/09/2019
Hints on Harmonics for Mean Reversion identification? no responses 13/09/2019
'Positions' and 'Transactions' columns do not match 1 response 13/09/2019
KeyError: <DataSet: 'zacks.EarningsSurprises'> 1 response 12/09/2019
Can't get a simple moving average crossover to work 1 response 12/09/2019
relationship of expected (predicted) values to actual values (conintegration, etc) no responses 12/09/2019
TypeError:MaximizeAlpha() expected a value with dtype 'float64' or 'int64' for argument 'alphas', but got 'object' instead. no responses 12/09/2019
backtest errors? 3 responses 11/09/2019
How to get Paper Trading to work? 3 responses 11/09/2019
What about common factors? 6 responses 11/09/2019
A Value Investment Strategy That Combines Security Selection And Market Timing Signals no responses 11/09/2019
Market following algo 3 responses 11/09/2019
How to get the past N periods of returns? 3 responses 11/09/2019
Tearsheet Feedback Request: Short Specific Returns Volatility 2 responses 11/09/2019
limit QTU to specfic industry sector and market cap? 15 responses 10/09/2019
Get current date in pipeline 3 responses 10/09/2019
Algorithm and Quantopian Business Model no responses 09/09/2019
n no responses 09/09/2019
Self-Serve Data for Macroeconomic indicators 3 responses 09/09/2019
ZeroRowsProcessed() in Self-Serve Data 1 response 09/09/2019
Question: performing calculations on recorded variables 2 responses 08/09/2019
backtest of spy from 2002-2018 no responses 08/09/2019
Custom Factor Question 3 responses 07/09/2019
VALUE + GROWTH + QUALITY : Composite Combination 16 responses 07/09/2019
New tearsheet challenge on the estimates dataset! 70 responses 07/09/2019
New Video: Reinforcement Learning for Trading Practical Examples and Lessons Learned by Thomas Starke from QC 2018 no responses 07/09/2019
Paper Trading - Looking For Feedback 52 responses 06/09/2019
How are weights determined in new signal combination compensation scheme? 5 responses 06/09/2019
Is there an alternative to pairs trading? 2 responses 06/09/2019
How to manually adjust stored stock price after a split? 3 responses 05/09/2019
Value of Fundamentals don't match values in MorningStar 1 response 05/09/2019
Need helps on the simple moving average 1 response 05/09/2019
enter contest button not working after backtesting, backtests not showing in dropdown menu - can't enter contest 1 response 05/09/2019
locally results no responses 04/09/2019
close position : how to get the Filled price to calcuate real realized pnl of a single trade 2 responses 04/09/2019
I know the code, but not the finance 2 responses 04/09/2019
[Paid] Looking for Experienced Python Mentor 2 responses 04/09/2019
Error in stock prices (USEquityPricing) no responses 04/09/2019
Using the CustomFactor is very slow 3 responses 03/09/2019
Error: Arguments must be strings. 3 responses 03/09/2019
Wisdom of the Crowd 8 responses 02/09/2019
Kalmanfilter in IDE no responses 02/09/2019
liquidity factor? 21 responses 02/09/2019
Is it possible to extract backtesting data? 2 responses 01/09/2019
Can we use trading_calendars module in research environment? no responses 01/09/2019
IDE vs Research vs Algorithms no responses 01/09/2019
Why am I getting an error on line 13 1 response 31/08/2019
Missing Stock Split Error in Quantopian Database? 5 responses 31/08/2019
Where can you find commands for various indicators? 2 responses 30/08/2019
alpha factor/signal template 1 response 30/08/2019
Risk criteria explanation no responses 30/08/2019
Newbie Question: Close price comparison at specific times to generate signals no responses 30/08/2019
QUALITY Factor Composite - Feedback requested please 13 responses 30/08/2019
VALUE Factor Composite - Feedback requested please 16 responses 30/08/2019
GROWTH Factor Composite - Feedback requested please 10 responses 30/08/2019
Help with simple, media past 30-days, multi-asset algorithm 1 response 29/08/2019
When does the contest refresh? 1 response 28/08/2019
schedule function triggered time 9 responses 28/08/2019
Quantopian status. 7 responses 28/08/2019
Measurements no responses 27/08/2019
Accessing the previous period morningstar growth grade 2 responses 26/08/2019
Help for someone new to coding no responses 26/08/2019
Using Flask to integrate my Quantopian model as a Digital Financial Portfolio onto my website? no responses 26/08/2019
Relation between Net Profit and Percent profitable trades no responses 26/08/2019
What dataset from Quandl does Quantopian use? no responses 26/08/2019
Reported PE and PB ratio in Morningstar wrong? 4 responses 25/08/2019
Help with validating trading volume/allocation for a backtest no responses 25/08/2019
Moving average crossover 1 response 24/08/2019
Does the contest still work? And how will I get my payout, if I will be one of the winners of this contest? 2 responses 24/08/2019
Solved - Help With Unexpected Output From CustomFactor no responses 23/08/2019
Looking for Data 2 responses 23/08/2019
Help: use only Q500US stock as pipeline input rather than USEquityPricing 1 response 23/08/2019
SQQQ prices in Quantopian database not correct after stock split? 3 responses 23/08/2019
How to run a large optimization on own CSV no responses 23/08/2019
How to Get an Allocation in 2019 45 responses 22/08/2019
Historical stock (ETF) price not accurate for longer time frames 2 responses 22/08/2019
Tear Sheet Benchmarks and Formulas 1 response 22/08/2019
Overview of Quantopian-Based Paper on Momentum with Volatility Timing Webinar Video Available no responses 22/08/2019
New Pipeline Features: PercentChange and peer_count 3 responses 21/08/2019
Can't find an error--new-ish to adding Custom Factors 3 responses 21/08/2019
Daily Volume Data different from other sources 3 responses 21/08/2019
Contest results for Monday, August 19 will be delayed 14 responses 20/08/2019
Pipeline: How to Calculate Previous Weeks MACD Signal Line no responses 20/08/2019
New Dataset: Guidance no responses 20/08/2019
Daily returns of a strategy definition 4 responses 20/08/2019
Is there no way to back up, or copy/clone, or export an Algorithm? no responses 20/08/2019
Iterating through QTradableStocksUS() 2 responses 20/08/2019
How do I clean up my Algorithm? no responses 20/08/2019
Spread between Dax index Future and spot index price no responses 20/08/2019
how to find a algo trading mentor? no responses 19/08/2019
My calculations take considerable amount of time. How can I submit to competition? no responses 19/08/2019
Tips for enhanced algorithm performance 4 responses 18/08/2019
Will Historical VXX Data Be Updated? no responses 18/08/2019
Feasibility of applying ADX, SAR, Moving averages as entry/exit constraints? 2 responses 18/08/2019
Use StaticAssets for equities in foreign markets 3 responses 18/08/2019
stock buyback and dividend data? 16 responses 17/08/2019
dividend harvest help no responses 17/08/2019
help: Diferent close price for the same date? 2 responses 16/08/2019
Can We Increase Backtest Time LImit? no responses 16/08/2019
Pricing feed - correct values? 3 responses 16/08/2019
Overview of a New Video Series: “Introduction to Financial Documents” no responses 16/08/2019
New Video: How to Read an Income Statement no responses 16/08/2019
Is Q500US a subset of QTradableStocksUS, can I only use Q500US? 3 responses 16/08/2019
Need help about some points when backtesting US Future algorithm no responses 16/08/2019
Using get_pricing with QTradableStocksUS no responses 16/08/2019
Rebalancing and using BusinessDaysUntilNext/SincePreviousEarnings no responses 16/08/2019
Backtest wont run in full backtest no responses 16/08/2019
New Video: How to Read a Cash Flow Statement no responses 15/08/2019
Capping the Leverage 2 responses 14/08/2019
How do I Keep the Leverage Above 0.8? 1 response 14/08/2019
get_backtest() returning an error 6 responses 14/08/2019
Constructing a neutral hedge against a directional alpha signal 1 response 13/08/2019
simple moving average (updated on a minute basis) no responses 13/08/2019
Unable to Import Stockwits 1 response 12/08/2019
AmmarTahir_FinalReport 1 response 11/08/2019
2013.12.31-2019.7.31 intraday momentum 12 responses 11/08/2019
101 alpha factors : rank(x) = cross-sectional rank no responses 11/08/2019
Seminar: introduction to systematic investment strategies: market intraday momentum using spy as example no responses 11/08/2019
DollarNeutral not working? 3 responses 11/08/2019
Multi-Day Holding Periods 2 responses 10/08/2019
Wrong Stock Price?? 4 responses 10/08/2019
[Deleted] 1 response 09/08/2019
Free research with free trades no responses 09/08/2019
Trading Volatility 1 response 09/08/2019
can any anyone explain what does calculate_optimal_portfolio does ? 3 responses 09/08/2019
Importing custom code into algorithms. (Code management) 2 responses 09/08/2019
Noob: Futures totally loss no responses 08/08/2019
Factor returning NaN no responses 08/08/2019
Logging starts from 1970? 3 responses 08/08/2019
First Attempt no responses 08/08/2019
Getting Started Tips 14 responses 08/08/2019
How is the mean period wise return calculated no responses 08/08/2019
OHLC Resampling Dilemma 1 response 08/08/2019
How can I get the turnover rate of a stock? no responses 08/08/2019
New book on Quantopian/Zipline backtesting and modeling 183 responses 08/08/2019
Style exposure constraint not being met 1 response 07/08/2019
Zipline Installation Help 11 responses 07/08/2019
Contest Age Requirements 1 response 07/08/2019
Backtest Noob Asked to Build Backtest Tool no responses 07/08/2019
Efficacy of Quantopian Risk Model In Encouraging Uncorrelated Submissions? 34 responses 07/08/2019
Exponential Moving Average in Pipeline (without talib)? 1 response 07/08/2019
Live trade cryptocurrency 2 responses 07/08/2019
Intraday autocorrelation no responses 07/08/2019
seminar: introduction to systematic investment strategies no responses 06/08/2019
Beginner no responses 06/08/2019
An updated method to analyze alpha factors 47 responses 06/08/2019
newby 4 responses 06/08/2019
Issue with Leverage 2 responses 06/08/2019
How to filter Price Book Ratio and Price to Sale Ratio?Newbie here no responses 06/08/2019
How can I get Q factor loadings and factor returns in IDE no responses 06/08/2019
101 Alphas Project: Alpha#4 no responses 06/08/2019
Re calibrating portfolio ? 1 response 06/08/2019
101 Alphas Project: Alpha#3 1 response 06/08/2019
Periodic Compounding & Continuous Compounding; Present Value & Discount Factors no responses 05/08/2019
Why my backtest is so different from yours? 5 responses 05/08/2019
Simple Moving Average algo with 2 stocks 1 response 05/08/2019
schedule_function 1 response 05/08/2019
What does def initialize(context) pass do? 4 responses 05/08/2019
101 Alphas Project: Alpha#2 no responses 05/08/2019
Crossectional data search 8 responses 05/08/2019
How to do 3D Surfaces Plots in research notebook? no responses 04/08/2019
Basic training model no responses 04/08/2019
Newbie question about Turnover. 2 responses 04/08/2019
Newbie question about universe selection 1 response 04/08/2019
Frequency synchronization no responses 04/08/2019
Market Cap of SP500 1 response 04/08/2019
101 Alphas Project: Alpha#1 1 response 03/08/2019
Hello Pipeline API 1 response 03/08/2019
New Feature: Drag and Drop in Research 1 response 02/08/2019
Backtesting Results 2 responses 02/08/2019
Efficient Data Structures no responses 02/08/2019
How to get new system ideas? 1 response 02/08/2019
New Video: How to Read a Balance Sheet no responses 01/08/2019
Combined Keltner channel Break out and pivot point momentum strategy no responses 01/08/2019
New algorithian! The backtest takes too much time and there is too much order cancellation! 3 responses 01/08/2019
Contest results for Tuesday, July 30 will be delayed 3 responses 31/07/2019
Alphalens ValueError: Wrong number of items passed 4, placement implies 1 with get_clean_factor_and_forward_returns 2 responses 31/07/2019
Thank you for updating the API Docs 2 responses 31/07/2019
Seminar - Investment Hypothesis (with Slippage) no responses 31/07/2019
Seminar - Investment Hypothesis (without Slippage) no responses 31/07/2019
Seminar - Investment Hypothesis (Notebook) no responses 31/07/2019
create_capacity_tear_sheet() 1 response 30/07/2019
New Documentation: Alpha Release 6 responses 30/07/2019
How can opt.FactorExposure possibly limit beta exposure? 2 responses 30/07/2019
Running Pipeline For Previous Date in IDE 1 response 30/07/2019
New Feature: Improved Custom Dataset Dashboard 6 responses 30/07/2019
Results for Seminar Course no responses 30/07/2019
Momentum Algorithm, too many positions developing. no responses 30/07/2019
Algo for course 2 responses 30/07/2019
Algo executes just for one asset 1 response 30/07/2019
6% funded strategies, 6% of what ..? no responses 30/07/2019
How can i calculate the cumulative daily return of stock inside the pipeline function? 4 responses 29/07/2019
Limiting Short-Selling Position Size 1 response 28/07/2019
Fawcet used to code, do you still do that? no responses 28/07/2019
100% portfolio allocation may result in negative cash 3 responses 28/07/2019
Contest results for Friday, July 26 will be delayed no responses 28/07/2019
slope of sma delta, custom factor? 1 response 27/07/2019
Open Break Strategy Backtest Result(initial fund 10000) 2 responses 27/07/2019
How to use a Variable to Retrieve an Asset for use as a Target 2 responses 27/07/2019
Following trend algo no responses 26/07/2019
Data Use in the Contest 1 response 26/07/2019
Strange update of last contest scores 1 response 26/07/2019
All Weather 1 response 25/07/2019
plotting multi-index pandas dataframe? 1 response 25/07/2019
Help with the last part of the first lecture. no responses 25/07/2019
How to get the high point of a stock over a longer time period? 2 responses 25/07/2019
ZigZag indicators factors no responses 25/07/2019
Plotting a decision tree no responses 25/07/2019
zipline no prices 2 responses 25/07/2019
Help with Custom Functions no responses 24/07/2019
Algorithm Flow 2 responses 24/07/2019
Leverage error no responses 24/07/2019
used-to-work code fails to run in backtesting module since 4 days ago no responses 24/07/2019
Is it more computationally efficient to manipulate data in the pipeline or as a dataframe? 2 responses 23/07/2019
Tracking Win Rate 3 responses 22/07/2019
Ambiguity in the functionality of demean factor 2 responses 22/07/2019
The investment strategy in T+1 market (backtest) no responses 22/07/2019
Test for T+1 rule ( during my training period) no responses 22/07/2019
try to simulate my strategy in notebook no responses 22/07/2019
Does anyone know how to simulate multiple pairs? no responses 22/07/2019
Economic Cycle 1 response 22/07/2019
Using Machine Learning Model in Algorithm no responses 22/07/2019
Does this (or any) CustomFactor avoid look-ahead bias? 2 responses 22/07/2019
(OBSOLETE)The investment strategy of T+1 market no responses 21/07/2019
How to get a List of Assets into a CustomFactor to be used as Targets? 5 responses 21/07/2019
Intra-day strategy question 2 responses 21/07/2019
Strategy no responses 21/07/2019
Help please! Hedging Portfolio Scenario Analysis of oil price predicted with Monte Carlo no responses 20/07/2019
order_optimal_portfolio() with custom csv data 2 responses 20/07/2019
0 Day holding Returns in pipeline. no responses 19/07/2019
FactSet Estimates Example Algorithm 4 responses 19/07/2019
Duration of backtest? no responses 19/07/2019
Help on CustomFactor (SigmaSpike) 4 responses 18/07/2019
Market Regime detection using PCA and KMeans 3 responses 18/07/2019
Attach_pipeline returning attribute error 8 responses 18/07/2019
Newbie dilemma: from Notebook to IDE no responses 18/07/2019
I think I just built my first 2.0+ sharpe contest strategy, tearsheet 22 responses 18/07/2019
Using Global Domain Calendars on Self-Serve Data 2 responses 17/07/2019
Need a book recomendation no responses 17/07/2019
Quantopian-Based Paper on Momentum with Volatility Timing 70 responses 17/07/2019
SEC Ticker errors? no responses 17/07/2019
Example code for your first Quantopian Algorithm 1 response 17/07/2019
MyownStrategy no responses 17/07/2019
Simple example investment program available to share? 3 responses 17/07/2019
Contest results for Monday, July 15 will be delayed 1 response 16/07/2019
NEKTAR THERAPEUTICS no responses 16/07/2019
Filtering Out Newly Listed Companies no responses 16/07/2019
Equity Structured Products Accumulator no responses 16/07/2019
Is there any volatility product which start before 2008? 1 response 16/07/2019
more than 5000 awarded every month ..? actually 100% more.. 3 responses 16/07/2019
New to algos: Buying in lots and triggering a buy after a certain percentage decline no responses 16/07/2019
TypeError: 'zipline.assets._assets.Equity' object is not iterable 1 response 15/07/2019
How can I get risk factors history / run_pipeline in IDE? no responses 15/07/2019
strategy that buys and sells every time that the sign of the derivative (dx/dy) changes no responses 15/07/2019
Research memory - deleting variables no effect 1 response 14/07/2019
Computing Excess Returns (relative to SPY) in Pipeline 2 responses 13/07/2019
Data Mismatch no responses 13/07/2019
A simple contest algorithm no responses 12/07/2019
Help with Mean Reversion Algo no responses 12/07/2019
How can i make an alpha with weight allocated according to 1/close of the previous day? no responses 12/07/2019
FTEC vs QQQ Returns no responses 12/07/2019
Research: Pipeline sampling frequency no responses 12/07/2019
Slices as a data structure? no responses 12/07/2019
QTradableStocksWorld() no responses 11/07/2019
Equities data in future algo no responses 11/07/2019
Custom slippage help no responses 10/07/2019
Help on figuring out a NaN issue 3 responses 10/07/2019
s no responses 10/07/2019
Order Optimal Portfolio and Implementation Shortfall 2 responses 10/07/2019
First Algo no responses 10/07/2019
EV to EBITDA - data problem? no responses 09/07/2019
JSONDecodeError while loading custom bundle data 6 responses 09/07/2019
Algo not backtesting correctly 1 response 09/07/2019
What is with these bounds/BoundColumn errors? 4 responses 08/07/2019
Standard deviation / computation on results from custom factor no responses 08/07/2019
run time error no responses 08/07/2019
Tearsheet Interpretation 1 response 08/07/2019
Problem with backtest: Cannot compare tz-naive and tz-aware timestamps no responses 08/07/2019
tryout CLA Algo post-pers no responses 08/07/2019
Conditional Z-Score 3 responses 07/07/2019
Blended Consensus Estimates (by date) in Research no responses 07/07/2019
Can't import order_optimal_portfolio in Research Notebook 2 responses 06/07/2019
Forward filling nans in pipeline custom factors 16 responses 06/07/2019
Where is the 'Purchase premium subscription' button? 6 responses 05/07/2019
Duplicate Stocks in QTradableStocksUS 3 responses 05/07/2019
Slicing a pandas.MultiIndex Series 2 responses 04/07/2019
How to calculate weekly and monthly returns? no responses 04/07/2019
Help with talib linear regression 3 responses 04/07/2019
SPY Intraday return prediction with Random Forest no responses 04/07/2019
Not able to access sentiment data 1 response 04/07/2019
New Datasets, Pipeline UX Improvement, and More 3 responses 03/07/2019
Error comparing stock returns to SPY returns in pipeline 3 responses 03/07/2019
Scraping using QTradableStocksUS() data no responses 03/07/2019
Self Serve Data not updating from Google Sheets? 2 responses 02/07/2019
Is it possible to change the privacy setting for a personal self-serve dataset to "public"? 6 responses 02/07/2019
Error: DataWindowStartsBeforeMinDate 2 responses 02/07/2019
SID using Exchange Ticker (symbol) for Indian securities in Research 2 responses 02/07/2019
Bollinger Breakout Example no responses 02/07/2019
Fama/French: Five-factor asset pricing model - Adding momentum factor no responses 01/07/2019
target_all no responses 01/07/2019
target_meanstdclose no responses 01/07/2019
target_5tickclose no responses 01/07/2019
target_dayendclose no responses 01/07/2019
openbreak_tickclose no responses 01/07/2019
all no responses 01/07/2019
Using history to determine if yesterdays close is greater than current 3 responses 30/06/2019
Reengineering For More 27 responses 30/06/2019
Is the trend in the example I cloned due to the factors chosen or how is the portfolio constructed? no responses 30/06/2019
Factor Relative Strength Tilting 4 responses 30/06/2019
Filtering Earnings Dates no responses 30/06/2019
Shorting SPY to Reduce Draw-down during Crisis 2 responses 29/06/2019
overlapping return in alphalens 2 responses 28/06/2019
New platform updates - Quesed backtest etc. 1 response 28/06/2019
Pipeline, custom filter on a custom filter 2 responses 28/06/2019
adding symbols through a list 1 response 28/06/2019
Filtering in current time from pipeline 2 responses 28/06/2019
How to create a Pipeline that removes delisted companies, both in notebooks and in algorithms? 6 responses 27/06/2019
custom factor error debug help please 2 responses 27/06/2019
Analysis of a Naive Bayes High Low Return Predictor using Previous Returns based on Thomas Wiecki's Post 2 responses 27/06/2019
Deflated Sharpe Ratio no responses 27/06/2019
Naive Bayes High Low Return Prediction Algorithm based on Jim Obreen's Post no responses 26/06/2019
How does the IC decay of an alpha factor determine or influence the trading frequency? no responses 26/06/2019
Minute Level Pairs Trading Stop Loss Logic no responses 26/06/2019
ML Learned Price History using Del Prado triple barrier criteria no responses 25/06/2019
Bar graphic 3 responses 25/06/2019
Can you sell data on Quantopian platform no responses 25/06/2019
Problems with get_clean_factor_and_forward_returns function no responses 25/06/2019
Build Alpha Factors with Cointegrated Pairs 14 responses 25/06/2019
Normalizing positive and negative values separately 3 responses 24/06/2019
A Cloud & AI Strategy 13 responses 24/06/2019
Always get error by backtesting 3 responses 24/06/2019
How to get a single stock's pb ratio? no responses 24/06/2019
Get date of purchase, avoid day-trading no responses 24/06/2019
Price from data.history function doesn't match 2 responses 24/06/2019
Question about the QTradableStocksUS no responses 23/06/2019
BRCD Incorrect Pricing 2 responses 23/06/2019
Incorrect Pricing on Quantopian??? 2nd Attempt 2 responses 23/06/2019
complete newbie question, sorry. filtering/if-operation no responses 23/06/2019
Can I hire someone to make me a simple stock screener? 4 responses 22/06/2019
Backtest caused ERR_CONNECTION_TIMED_OUT 1 response 22/06/2019
can anyone explain what exactly CAPM is 2 responses 22/06/2019
Callback for when order is successfully filled? no responses 22/06/2019
Definition of Returns on Quantopian 2 responses 22/06/2019
Memory Error 1 response 22/06/2019
Incorrect Pricing on Quantopian??? 15 responses 21/06/2019
d no responses 20/06/2019
Calculating Returns based on currently invested money, instead of capital base. no responses 20/06/2019
Feature selection in your ML model no responses 20/06/2019
$$$$$$$Diamondrolls$$$$$$$$$ no responses 19/06/2019
Factset equivalents to Morningstar data 1 response 19/06/2019
Help with Stock Screener no responses 19/06/2019
the problem when calculating the 30-minutes return data (Intraday momentum and stock return predictability) no responses 19/06/2019
Is there any intraday trading algo with good structure no responses 19/06/2019
Ordering a single stock chosen from pipeline. no responses 18/06/2019
QUANTOPIAN SPEAKERS ONLY 1 response 18/06/2019
what exactly is alpha 2 responses 18/06/2019
News API integration 6 responses 17/06/2019
Download the backtest data no responses 17/06/2019
local_csv problem no responses 17/06/2019
Issues with Twitter and StockTwits Trader Mood (All fields, with Retweets) no responses 16/06/2019
buy/sell signals from a CSV file 2 responses 16/06/2019
ImportError: No module named quantopian.optimize.experimental 4 responses 16/06/2019
Problems with StopOrder 2 responses 16/06/2019
Picking Liquid Stocks With Over 1000 % Return Since 2005 no responses 16/06/2019
Lowest P/E ratio portfolio US stocks no responses 15/06/2019
Minimizing short term reversal exposure 8 responses 15/06/2019
No module named alpha_vertex? some premium datasets have been removed? 2 responses 14/06/2019
Finally was able to successfully create an engine to replace the trading functionality removed from the site! 6 responses 13/06/2019
Using demean() for a column rather than a row. 1 response 13/06/2019
Having an issue with creating a Filter to be applied as a screen 2 responses 13/06/2019
Pre-processing in algo API. Can it be done? 6 responses 13/06/2019
Fundamentals Portfolio 2 responses 12/06/2019
Self-serv-data mapping 3 responses 12/06/2019
Rolling Factor 5 responses 11/06/2019
Creating a Zipline data bundle from custom data 8 responses 11/06/2019
How to get rate values from FRED DGS10 no responses 11/06/2019
Error when rolling futures no responses 11/06/2019
Running an ADF test on forex pairs no responses 10/06/2019
Morningstar style_box interpretation no responses 10/06/2019
Funded algorithms, royalties and returns 4 responses 10/06/2019
FactSet Fundamental Data update 2 responses 10/06/2019
ValueError: NaN or Inf values provided to FactorExposure for argument 'loadings'. 1 response 09/06/2019
New Here! Golang/React Developer & Google Cloud Engineer no responses 09/06/2019
Adding treasury constant and bill 6 responses 09/06/2019
Need help in calculating returns 2 responses 09/06/2019
Videos for Quantopian Tutorial 1 response 09/06/2019
BB/KC Squeeze no responses 08/06/2019
Question on Lecture 15: Multiple Linear Regression 1 response 07/06/2019
Compensation question 2 responses 06/06/2019
Convert Float to NaN Error 1 response 06/06/2019
Simple Question - Data.history - Pandas - Making A Pipeline 2 responses 06/06/2019
Machine Learned Half Day SPY Strategy 3 responses 06/06/2019
Found Alpha Value - Next Steps? 3 responses 05/06/2019
Need Help - Strange Backtest results 1 response 05/06/2019
Parameter Optimization (like Tradestation Easylanguage) no responses 05/06/2019
Public Notebooks for learning 1 response 05/06/2019
window_length bug 2 responses 05/06/2019
Using historical fundamental data no responses 05/06/2019
Need help with inputting stocks symbol no responses 05/06/2019
Fundamentals - Earnings report releases - pre/post market dates? 1 response 04/06/2019
Stock performance prediction 2 responses 04/06/2019
Usage Example not working - Fundamentals 1 response 04/06/2019
Need Help with Algo and fetcher no responses 04/06/2019
Need Help in using List of Stocks as Input 1 response 04/06/2019
The Quantopian Blog Shutting Down 2 responses 04/06/2019
Import Error 2 responses 03/06/2019
get_pricing() by stock market no responses 03/06/2019
Data erros on EquityPricing dataset 1 response 03/06/2019
What 3 Month US Treasury Data to use when graphing a risk vs reward scatter plot over 5 years? 3 responses 03/06/2019
SE_EQUITIES not adjusted for splits 2 responses 02/06/2019
What's your background? 3 responses 02/06/2019
Contest Ready but I can do better 9 responses 01/06/2019
Quantopian Risk Model - Page Not Found 2 responses 01/06/2019
Getting started - Struggling with pipelines 3 responses 01/06/2019
Quantopian University Contest no responses 01/06/2019
An error? 3 responses 01/06/2019
Comparing Open/Close Prices no responses 01/06/2019
Negating the parameter in opt.maximizealpha() no responses 31/05/2019
Alphalens error I couldn't resolve for the past couple of days no responses 31/05/2019
Technical Question About Alphalens no responses 31/05/2019
How to get period of data of every day in a period of time? no responses 31/05/2019
Downloading Quantopian Module no responses 31/05/2019
How do I load a trained (serialized) machine learning model into Quantopian for backtest prediction? 2 responses 30/05/2019
Problem with orders, and resample ? no responses 30/05/2019
Convert pipeline to minute data no responses 30/05/2019
Create a custom factor, TypeError 1 response 30/05/2019
How to increase cash invested in one strategy? no responses 30/05/2019
How to exclude trusts/funds in pipeline? no responses 29/05/2019
need help creating Pipeline for moving average crossover! 1 response 29/05/2019
OHLC4 data for feeding BollingerBand factor 6 responses 29/05/2019
Any way to test Algo in research phase? 3 responses 28/05/2019
RE: TRADING ALGORITHM ON GAP TRADING no responses 28/05/2019
PMI no responses 28/05/2019
Custom dataset not loading 2 responses 28/05/2019
Data Collection Help 2 responses 27/05/2019
Rolling Z-Score 1 response 27/05/2019
Stop Loss Strategy in Research Environment no responses 26/05/2019
Sector Sharpe SMA Study no responses 25/05/2019
Creating a Pipeline Tutorial no responses 25/05/2019
Sorting Backtests by Sharpe no responses 24/05/2019
Security Violation with Display Options 4 responses 24/05/2019
Problem with the market data of VXX 4 responses 24/05/2019
Machine Learning on Quantopian part 1: Basics 160 responses 24/05/2019
Help with CVXPY implementing optimization 3 responses 24/05/2019
7.5% VXX Short no responses 23/05/2019
Morningstar Look-Ahead Bias Issue no responses 23/05/2019
Factset Vs Morningstar Data no responses 23/05/2019
Simple question from new beginner 1 response 23/05/2019
cvxportfolio no responses 23/05/2019
fetch_csv in research environment no responses 23/05/2019
Run multiple order_optimal_portfolio's? 7 responses 23/05/2019
How to get a random alpha factor 2 responses 23/05/2019
Could Somebody Help Me Please 2 responses 22/05/2019
Identifying the Ticker Symbols for Global Equity Indian Market 5 responses 22/05/2019
Testing Algorithms 2 responses 22/05/2019
mlfinlab Python Package Released (Advances in Financial Machine Learning) 5 responses 21/05/2019
Iterating through a Dataset no responses 21/05/2019
When is drawdown calculated during backtests? 2 responses 21/05/2019
SmL/VmG beta and beta targeting via penalty function no responses 21/05/2019
Risk/Style Factors Covariance Matrix 1 response 21/05/2019
Strategy 4 no responses 21/05/2019
Strategy 2 no responses 20/05/2019
Strategy 1 no responses 20/05/2019
Leverage Issue 2 responses 20/05/2019
Take profit and Stop Loss functions run every minute no responses 20/05/2019
Message for the insider Quantopian team : Studies on all UsEquities 2 responses 20/05/2019
Using Stop Loss Orders 4 responses 20/05/2019
Where can I get the Live Trade button 5 responses 19/05/2019
NAICS code return -1 no responses 19/05/2019
Quantopian Business Update no responses 17/05/2019
Ordering Futures, What am I doing wrong? no responses 17/05/2019
Storing Custom Factors 2 responses 17/05/2019
Estimates Dataset Sample Factors no responses 17/05/2019
Advice on alphalens and fundamental factors, what is the optimal "period" for "forward returns" no responses 16/05/2019
FactSet Fundamental Data Not Available after 2018-05-16 2 responses 16/05/2019
Research notebook does nothing, maybe its crashing? 4 responses 16/05/2019
Factset returns future report dates. 'As of date' failed or are these forecasted dates rather than actual? 1 response 16/05/2019
Aqueduct Client 4 responses 16/05/2019
Higher IC doesn't lead to better backtest performance 5 responses 16/05/2019
Sma backtest 6/40 1 response 16/05/2019
Who is providing small/medium investors access to algorithmic trading? no responses 16/05/2019
Efficient N Days Ago Factor Research and Algo Templates 7 responses 15/05/2019
Free Cash Flow to Invested Capital Momentum - 1 no responses 15/05/2019
Free Cash Flow to Invested Capital Momentum - 2 no responses 15/05/2019
Carry no responses 15/05/2019
deleted 1 response 15/05/2019
deleted no responses 15/05/2019
deleted no responses 15/05/2019
deleted no responses 15/05/2019
deleted no responses 15/05/2019
deleted no responses 15/05/2019
deleted no responses 15/05/2019
Size no responses 15/05/2019
Commission free trading for non US residents 1 response 15/05/2019
Backtest data after 5/10/2019 2 responses 14/05/2019
Why doesn't Quantopian support MOO/MOC orders? 1 response 14/05/2019
Risk Managed Momentum, 12 Minus 1 no responses 14/05/2019
Free Cash Flow Yield no responses 14/05/2019
Value - Book to Price no responses 14/05/2019
Quality no responses 14/05/2019
Betting Against Beta no responses 14/05/2019
Deep Learning - Which algorithm has been tested on a real account? Demo algorithms do not inspire trust. 100 percent profit in 30 days - is it real on real account? Provide a link to real-life algorithms? no responses 14/05/2019
How to use fetcher with symbol ids? no responses 13/05/2019
Problem in first code 2 responses 13/05/2019
Elder Impulse Algo (sort of) 2 responses 13/05/2019
Quantiles calculated with quantile classifier are different from those calculated by pandas' qcut 1 response 12/05/2019
Random Variables - Code error? no responses 12/05/2019
Need help for coding this basic logic no responses 12/05/2019
How can I make pipeline run in loops no responses 11/05/2019
Inflated Backtest results vs. papertrade for current dates. no responses 11/05/2019
Will Quantopian get better short modeling? 2 responses 11/05/2019
Earnings Calendar Issues 1 response 11/05/2019
Contest criteria checker Notebook with compact output and more detail 6 responses 11/05/2019
Problem by back testing with VXX (VXXB) no responses 10/05/2019
Is there a bug in AlphaLens functino "Mean Return by Quantile " no responses 09/05/2019
Trade Limit Constraint in Optimize API no responses 09/05/2019
Improved Weight Handling in the Optimize API 6 responses 09/05/2019
Error when merging Factor Data and Pricing Data with Alphalens 2 responses 09/05/2019
Adding multi-factor regression in alphalens no responses 09/05/2019
Beta tilt of alpha factor - How to make it neutral? no responses 09/05/2019
Stationarity and special considerations in dollar-bar vs time-bars 1 response 09/05/2019
I don't know how to exit a position after my target has been hit? 3 responses 09/05/2019
dfas no responses 08/05/2019
Need help with creating a factor that returns -1 when false and 1 when true 1 response 08/05/2019
Long and short values, counts and sids lists, plus other useful items 2 responses 08/05/2019
Questions on USEquityPricing and pipeline 3 responses 08/05/2019
Noob new help with normalization signals 3 responses 07/05/2019
Can anyone help me with a lasso regression? no responses 07/05/2019
algo framework for event driven strategies? 2 responses 07/05/2019
Your future Quantopian 2 responses 07/05/2019
How to count days of stock above sma in a period 2 responses 07/05/2019
Mean Reversion and Betting Against Beta no responses 06/05/2019
493 mean reversion no responses 06/05/2019
Beginner: Trying to filter grades on pipeline 6 responses 06/05/2019
close a position with a defined amount of money no responses 06/05/2019
Interesting Article 1 response 06/05/2019
Day Trading Strategies (from 500 to 1 000 000). It is possible to automate ?! Stock search, opening, pattern recognition, closing with a profit? In few hours. More information here: 16 responses 06/05/2019
How to interpret Cumulative Returns? no responses 06/05/2019
Mean Reversion with Betting Against Beta no responses 05/05/2019
Trading 212 introduces commission-free stock trading... It is possible to integrate Trading212 with algorithms Quantopian ? 1 response 05/05/2019
Calculate 52 week highs on ratio US Equities/SPY using CustomFactors no responses 05/05/2019
ProQuant - ProQuant makes algorithmic trading accessible to anyone... It is possible to integrate ProQuant with algorithms Quantopian ? no responses 05/05/2019
Fundamental data integrity check including FactSet 8 responses 04/05/2019
index of tools (blue seahawk) 8 responses 04/05/2019
Risk free rate 2 responses 04/05/2019
Curve-Fitting and Over-Optimization no responses 03/05/2019
contest entry guidance - estimates-based strategy? 10 responses 03/05/2019
Actually trading a with Quantopian Algorthim 7 responses 03/05/2019
Custom constraints and objectives in optimize API 1 response 03/05/2019
Python-based Open Source Backtesting Frameworks 3 responses 03/05/2019
Is there a bug in the calculation of the "Sharpe Ratio" in the backtesting? 1 response 03/05/2019
Get the maximum value of PNL 2 responses 03/05/2019
Backtest failing to start before start date of 2017! 8 responses 03/05/2019
New Feature: Data Reference 5 responses 02/05/2019
New Data: FactSet Estimates 8 responses 02/05/2019
Losing Trades are NOT "just part of the game" - Don't over-trade!! 11 responses 02/05/2019
Feature Request: Adding notes to backtest no responses 02/05/2019
Great Sharpe ratio with consumer staples sector strategy - TOO GOOD TO BE TRUE? 14 responses 01/05/2019
Why we should not trade common risk factors? 1 response 01/05/2019
Inflation hedging on Quantopian no responses 01/05/2019
Buying at bid and selling at ask price multiple times in a day 1 response 01/05/2019
Backtest data after 4/26/2019 3 responses 30/04/2019
Is possible to add the stop loss and take profit when making the entry order? no responses 30/04/2019
How to access the time stamp from run_pipeline return 3 responses 30/04/2019
Deep Learning Price Action Lab (DLPAL) Software 6 responses 30/04/2019
Bugs and problems in backtest list. 9 responses 30/04/2019
Do stocks with high (low) overnight returns underperform (outperform) over the longer-term? 2 responses 29/04/2019
Max Function max(0, value) in Pipeline 1 response 29/04/2019
Best Practices for Out of Sample Testing with Multi-Factor Models - Question 4 responses 29/04/2019
Split Adjust Problem no responses 29/04/2019
Cannot run the single stock pyfolio example in the research notebook no responses 29/04/2019
Buying Stocks from a Pipeline Screen Under Specific Conditions 1 response 29/04/2019
Disregard this post - found solution, can't delete post no responses 28/04/2019
Inconsistant use of StaticAssets between research and back test 2 responses 28/04/2019
Per ticker PnL attribution 3 responses 28/04/2019
How to define a custom factor using fundamental data of Morningstar dataset 2 responses 28/04/2019
Install Guide for Zipline 1.3.0 + Buy Apple Example + How to ingest Data using Zipline and Quandl + Guide for Ubuntu Linux and Windows 2 responses 28/04/2019
Search someone to help or work with me to make my algo backtestable, i am learning.. 15 responses 27/04/2019
Crypto-currencies backtest 6 responses 27/04/2019
Quantcon 2018 session on Common Pitfalls while using Machine learning models no responses 27/04/2019
Use case for Returns and pct_change 3 responses 27/04/2019
$1K won in Q contest - ideas on how to trade it? 52 responses 27/04/2019
Contest Algo can be only on Futures ? no responses 27/04/2019
rebalance - sell only when a stock goes below its moving average 5 responses 26/04/2019
The 7 Reasons Most Machine Learning Funds Fail by Marcos López de Prado 18 responses 25/04/2019
In Sample VS Out of sample test 1 response 25/04/2019
Weird results when backtesting specifically in 2018 no responses 25/04/2019
Factset Fundamentals, Source 10-Q/A, Quarterly Report, Annual Report, 6-K, 10-K/A no responses 25/04/2019
Country ID with the Factset Data? 2 responses 25/04/2019
All Weather Portfolio (very simple) 2 responses 24/04/2019
Prior day ending cash - how to calculate? 1 response 24/04/2019
Why SPY ETF is not allowed for contest algorithm? no responses 24/04/2019
Simple ETF strategy - rebalance issue 2 responses 24/04/2019
What exactly he is investing for the Current contest leader? 6 responses 24/04/2019
Question regarding rebalancing/opening positions of this algorithm no responses 24/04/2019
Problem with pipeline 2 responses 23/04/2019
Find 30 days high stock 2 responses 23/04/2019
IBAPI Python/Quantopian Library no responses 22/04/2019
Volatility surface no responses 22/04/2019
Volume Limit in Backtesting 2 responses 22/04/2019
Looking for a Algo writing partner to work together no responses 22/04/2019
Need some help on custom filter 8 responses 22/04/2019
Is there a way to install quantopian locally. 5 responses 21/04/2019
Simulating Bitcoin Dynamics in C++ no responses 21/04/2019
Number of stocks in each exchange 3 responses 20/04/2019
SPY 7 days strategy no responses 20/04/2019
Tensorflow and Updating Sklearn no responses 19/04/2019
Quantopian - what's new? 8 responses 19/04/2019
A step further of pair trading 1 response 19/04/2019
algo returing crazy amount please look over 2 responses 18/04/2019
Adjusted price? 1 response 18/04/2019
Guide for porting your algorithms to a local Zipline Research Environment 14 responses 17/04/2019
Continue to hold a position as long as a condition is not met no responses 17/04/2019
Any other resources on testing strategy capacity at scale? no responses 16/04/2019
Having Trouble with Filters specifically NumExprFilter 10 responses 16/04/2019
Welcome Dan Whitnable! 14 responses 16/04/2019
NEW ZEALAND PEOPLE LOOK HERE 1 response 16/04/2019
Crossover strategies, how to store yesterday values ? 1 response 16/04/2019
Create a code for portfolio rotation no responses 15/04/2019
CustomFactor return two values? 1 response 15/04/2019
Additive Returns vs. Percent Returns no responses 15/04/2019
Using context in Customfactor to store data 3 responses 15/04/2019
Statistical Time Frames 2 responses 15/04/2019
Getting historical VIX from quandl cboe_vix.vix_close 6 responses 15/04/2019
Question from Research Environment 1 response 14/04/2019
How do I convert a bunch of bools (types as filters) to an int? 5 responses 14/04/2019
Data manipulation inside Customfactor definition no responses 14/04/2019
US Financial sector Screening issue 1 response 13/04/2019
How to use quantopian for Indian Stocks 15 responses 13/04/2019
New Dataset: RBICS Focus (Global Sector Data) 2 responses 12/04/2019
Help with Linear Regression as Factor no responses 12/04/2019
Contest leader board statistics 3 responses 12/04/2019
Quantitative Micro-cap Portfolio 1 response 12/04/2019
curious phenomenon: an unknown stock is mixed in my portfolio 8 responses 12/04/2019
Noob: How can I backtest the previous open 1 response 12/04/2019
how to find market cap for specific date 8 responses 11/04/2019
Transaction cost model 3 responses 11/04/2019
Self-Serve Data Upload - row unexpectedly dropped? no responses 11/04/2019
How to implement hierarchical clustering? no responses 11/04/2019
AI in Trading (NVIDIA Jetson Nano) 1 response 10/04/2019
BadBinaryOperator: Can't compute BoundColumn / AverageDollarVolume 2 responses 10/04/2019
Coverting pandas columns to numpy arrays 1 response 10/04/2019
Algo Speed / Pipeline Computations no responses 10/04/2019
What happened to the Contest scoring system? 10 responses 09/04/2019
Help on Fundamentals , THANKS! no responses 09/04/2019
How to present data in research environment no responses 09/04/2019
Daily returns for specified dates no responses 09/04/2019
Sector dataframe no responses 09/04/2019
Storing yesterday's closing 15min candle? no responses 08/04/2019
pyfolio analysis of each stock in an algorithm no responses 08/04/2019
Live trading not updating 8 responses 08/04/2019
Lecture 30: CAPM and APT, efficiency frontier optimization no responses 08/04/2019
Lecture Questions no responses 08/04/2019
How to block Spammers? no responses 08/04/2019
How to control position concentration? 4 responses 08/04/2019
Neural Network algorithms in Zipline 6 responses 07/04/2019
class Returns vs DailyReturns (built-in factors) 6 responses 07/04/2019
Multiple orders in one minute? 2 responses 07/04/2019
The Dogs of the Dow 7 responses 05/04/2019
Alternative for 'order_target_percent' 3 responses 05/04/2019
Does QTradeablestocksUS include leveraged ETFs? 5 responses 05/04/2019
trading guard : All ETF 2 responses 05/04/2019
Interesting inconsistency between common returns and total returns for equities no responses 05/04/2019
Creating a Intraday stock ban if sold out that day 1 response 04/04/2019
How can I get the average daily return of worst 20% performance stocks? 2 responses 04/04/2019
TW (TRADEWEB MKTS INC) no responses 04/04/2019
Help with Custom Factor 11 responses 04/04/2019
Transit fundamental factor into REAL trading no responses 04/04/2019
Free Cash Flow As Fundamental factor research 1 response 04/04/2019
Pipeline, rebalancing and the code structure 3 responses 03/04/2019
Questions on Signal Processing / Non-Differentiable Manifolds / Cryptography / RenTech Strats 1 response 03/04/2019
Which firms provide backtest auditing / validation services? no responses 03/04/2019
NameError: name 'open_positions' is not defined 3 responses 03/04/2019
How to train and test Machine Learning models 1 response 03/04/2019
S&P indices no responses 03/04/2019
Whats the most effective way to implement fundamental data since the frequency is updated in a much longer time frame? 4 responses 03/04/2019
Quick question re QTradableStocksUS universe in backtest 4 responses 03/04/2019
How to Create Tear Sheet With No EOD positions no responses 02/04/2019
TypeError in MaximizeAlpha() 2 responses 02/04/2019
run_pipeline in backtest 1 response 01/04/2019
Passing state information to custom factor 5 responses 01/04/2019
EventVestor Dividends available in Zipline? no responses 01/04/2019
Filter on one stock only in Research 3 responses 01/04/2019
Are "simple" optimizations available? no responses 31/03/2019
get_clean_factor_and_forward_returns() no responses 31/03/2019
Mean-Reversion Long for Alpaca's Pylivetrader 1 response 31/03/2019
Calculate N day forward returns based off external data (eg VIX) no responses 31/03/2019
Orders - do they execute on the bar or next bar in comparison to the data feed? no responses 31/03/2019
Error in Quantopian notebook "VIX S&P500 Volatility" 1 response 31/03/2019
Help with CustomFactor indicator, please! 2 responses 31/03/2019
50% Defensive 50% aggressive mutual fund product 1 response 30/03/2019
Specific Returns as an input into a stock selection factor no responses 30/03/2019
data quality issue with FactSet data no responses 29/03/2019
update_universe not defined 2 responses 29/03/2019
Context.account object documentation gone 1 response 29/03/2019
Statistical Significance in Quantopian (and other minor questions) no responses 29/03/2019
What Is a Quant? no responses 28/03/2019
Stock screener with live data no responses 28/03/2019
EWMA long/short contest algorithm no responses 27/03/2019
Screening for A Valid Condition within a previous time frame 1 response 27/03/2019
Quantifying Company Innovation Ability using lagged RnD/Sales no responses 27/03/2019
How/Where is short strategy applied Lesson 4? no responses 26/03/2019
Seeking quant for a contract and more no responses 26/03/2019
Crypto Quant Group? 1 response 25/03/2019
Newbie Question How to set trading universe to SP500 (at least the symbols, no fundamentals needed) and will it be dynamic when you backtest ? 1 response 25/03/2019
I can not debug my fetch_csv algo in quantopian - Need help no responses 25/03/2019
Running Round Trip Analysis on an IDE Backtest? 2 responses 25/03/2019
Screening for daily volume 2 responses 25/03/2019
When to use data.history vs pipeline? 2 responses 25/03/2019
Short Volume no responses 25/03/2019
Monte Carlo Simulation no responses 24/03/2019
Self Serve Data (5-character tickers) Issue no responses 24/03/2019
Logging timestamp as Eastern time 3 responses 24/03/2019
Guidelines on universe selection for Long/Short strategy 1 response 24/03/2019
Using VIX as a volatility filter. How do i filter out days with high volitility. 11 responses 23/03/2019
12% Alpha - 5 Stocks - Rebalance Monthly - The Dangers of Over Fitting 1 response 23/03/2019
Fundamental data 1 response 23/03/2019
Betting against Stocktwits generates alpha no responses 23/03/2019
Backtest once/year custom signal 1 response 22/03/2019
Turning Eventvestor and Zacks data into CustomFactor no responses 22/03/2019
How Network-Based Modeling Can Be Used for Failing Banks, with Dr. Fatena El-Masri from QuantCon 2018 no responses 22/03/2019
pd.rolling_mean/_sum depricated 1 response 22/03/2019
Can i create a factor on the output of another factor (that has already been processed) in the pipeline? 3 responses 22/03/2019
Tried calculating volatility 2 responses 21/03/2019
Feeding in the returns of the algorithm itself on previous days into the logic of the 'present' day no responses 21/03/2019
Quantopian Feature Request no responses 20/03/2019
New Dataset: Global Equity Metadata 3 responses 20/03/2019
Inconsistent AAPL data between prices() and data comming from the pipeline. 5 responses 20/03/2019
Market Timing before Trading begins 2 responses 20/03/2019
Contest results for Monday, March 18th through today are delayed 1 response 20/03/2019
the contest results seem didn't update since 3/15 !? 2 responses 20/03/2019
What time does Quantopian update its data for us stocks? no responses 19/03/2019
Where is Google 1 response 19/03/2019
Financial Math Project no responses 19/03/2019
Dividend calculations fail for dividends larger than stock price 1 response 19/03/2019
How to create pipeline with a factor that compares percentage gains of stock vs index? no responses 19/03/2019
sid(int) in research? 2 responses 18/03/2019
Upload signals file to a factor. 1 response 17/03/2019
$ABGB and $FSLR Pair Trading no responses 17/03/2019
Closing price factor 3 responses 16/03/2019
Error using get_clean_factor_and_forward_returns 1 response 16/03/2019
Contribution For Aids And Appliances no responses 16/03/2019
adding ETFs to filtered stocks 2 responses 15/03/2019
Backtest data for yesterday (13th of March) not availabel -- Data load error? 3 responses 14/03/2019
Quarterly Earning Dates no responses 13/03/2019
How do I turn off date management in the IDE? 3 responses 13/03/2019
How do I take the opposite position? 7 responses 13/03/2019
Passing Equity list from research to IDE no responses 12/03/2019
Calculate the volume average of a specific stock in pipeline 2 responses 12/03/2019
New to the platform 4 responses 11/03/2019
ADFuller pipeline customfilter no responses 11/03/2019
How to Create Equal weighted Portfolio 6 responses 11/03/2019
long only, choose 6 among the major 12 stocks, rebalance every 1month, with the target annualized volatility of 0.10, since 2006, with sharpe 0.93 2 responses 11/03/2019
Getting Future Stock Returns no responses 11/03/2019
Logging more content while remaining under the logging limit 1 response 10/03/2019
Momentum Trading Strategy no responses 09/03/2019
Beginner Tutorial Results Different From Expected? no responses 09/03/2019
Machine Learning NB no responses 09/03/2019
Equity consensus earnings estimates 1 response 08/03/2019
How can I get the current total AUM value? no responses 08/03/2019
Ensuring that a spread of futures gets executed in same volume no responses 08/03/2019
What happened to blog.quantopian.com/fundamentals-contest-winners/? 2 responses 08/03/2019
quantopian.pipeline.data.builtin import USEquityPricing showing slightly incorrect data on many stocks. Is it fixable? 2 responses 08/03/2019
After market data 1 minute no responses 08/03/2019
How to merge data avoiding look ahead bias no responses 07/03/2019
Calculate historical price variations per minute or bar no responses 07/03/2019
Functions in Research Environment for Global Equities 7 responses 07/03/2019
Quantopian Risk Model 11 responses 06/03/2019
Pair trading algorithm on QTradableStocksUS with order_optimal_portfolio 1 response 06/03/2019
Avg of Daily Returns for 30 days for all stocks in universe 2 responses 06/03/2019
Sales size for Ranking a Stock Universe (Adaptation) no responses 06/03/2019
Need help in writing algo to Historic Low buy strategy no responses 05/03/2019
Manual selection of futures contracts instead of continuous futures no responses 05/03/2019
Change spot value in bar data no responses 04/03/2019
How to conditionally Long/Short securities in IDE using Optimize API 2 responses 04/03/2019
Various problems 5 responses 04/03/2019
Starting an Algorithmic Investment Fund at a 4-year institution 3 responses 04/03/2019
Adapting old code to Quantopian 2.0 2 responses 03/03/2019
Newb question on how orders are modelled 2 responses 03/03/2019
The volume data has big gap 1 response 03/03/2019
Help me in building a very simple strategy using Self-Serve Data function no responses 03/03/2019
How does the If function work no responses 03/03/2019
Notebooks page not loading 2 responses 03/03/2019
Longs Count keeps increasing no responses 02/03/2019
Sector rotation strategy that ranks numerous factors 1 response 02/03/2019
Different results 3 responses 02/03/2019
Fundamental field not updating? Bug? 5 responses 01/03/2019
QuantCon 2019 Postponed 1 response 01/03/2019
Is Quantopian dying? 10 responses 01/03/2019
Missing data on Q? 2 responses 01/03/2019
Futures differed month contract no responses 01/03/2019
Quantcon ticket refunded? I didn't request this 1 response 01/03/2019
Transactions all over the place in backtesting 2 responses 28/02/2019
Mean-Reversion Long - For Bold Contrarians 1 response 28/02/2019
Weekly Rotation S&P 500 7 responses 28/02/2019
nvm no responses 28/02/2019
Pipeline: Changing daily data to weekly (using end of week prices) to calculate Factors (such as RSI) 21 responses 27/02/2019
Need Help - Syntax Error 11 responses 27/02/2019
Contest delayed? 1 response 27/02/2019
How you deal with position sizing? no responses 27/02/2019
what is the original talib adx code? 2 responses 27/02/2019
Trading strategy failure detection 1 response 26/02/2019
Lecture 17 - help needed 3 responses 26/02/2019
How to get offering prices/issue prices of US stocks? no responses 26/02/2019
one trading 1 response 26/02/2019
can't reference indexed item in list no responses 26/02/2019
Tooltip functionality no responses 26/02/2019
Help with Linear Regression 4 responses 25/02/2019
Adjusted Close Prices Offline no responses 24/02/2019
Using pipeline to create training data no responses 24/02/2019
Back test of a diversified asset allocation strategy with 10 ETFs no responses 24/02/2019
help setting up a print lock no responses 24/02/2019
Long & Short Return Miss Match 6 responses 23/02/2019
New build error but I changed nothing 2 responses 23/02/2019
Theory -- Mean Reversal to (Today's Revenue) / (Share Price) no responses 23/02/2019
Error: Loop crashes and asks to increase the data_rate_limit no responses 23/02/2019
Iterating Through Stocks In Pipeline no responses 22/02/2019
Any advice on making this algorithm satisfy the risk requirements? 6 responses 22/02/2019
Mispricing Data 9 responses 22/02/2019
Different prices when using pipeline with domain vs. get_pricing? no responses 21/02/2019
End of Day Settled (delivered) trade # and average settled price 1 response 21/02/2019
Combining Futures and Equities no responses 21/02/2019
reference price of filled orders? 2 responses 21/02/2019
Get Next Trades? 1 response 20/02/2019
Stock Splits throwing off algorithm no responses 20/02/2019
IB Algo 1 response 20/02/2019
How to regress fundamental data against a list of stocks' returns no responses 19/02/2019
Data Sources 2 responses 19/02/2019
Is something wrong with the contest? no responses 19/02/2019
How are the forward returns calculated in Alphalens? 3 responses 19/02/2019
simple moving average 1 day back 2 responses 18/02/2019
Bug in historical data for backtest? 2 responses 18/02/2019
HealthCare Model Raw Signal - Feedback Welcomed no responses 18/02/2019
History data of pipeline output no responses 18/02/2019
Could Admin please post 2 example backtests of a allocated algorithm no responses 18/02/2019
Creating a talib.ema in a custom class. 1 response 18/02/2019
Do talib functions not work in research? 1 response 17/02/2019
Fill Multiple Orders at the Same Time or None 3 responses 17/02/2019
Cross-Sectional Volatiltiy as a Regime Predictor no responses 17/02/2019
modify limit order no responses 17/02/2019
. no responses 17/02/2019
Context score computation 1 response 17/02/2019
Basic Algo Help 1 response 16/02/2019
How to take back-testing code and convert it to forward-testing code? 2 responses 15/02/2019
Combining Momentum and Mean Reversion Strategy no responses 15/02/2019
Norwegians wanted no responses 15/02/2019
Display a list of stock symbols no responses 15/02/2019
RE: Dr. Stauth's Tearsheet Review Video - New Contest Rules Coming? 1 response 14/02/2019
Common returns vs specific returns vs total returns 6 responses 13/02/2019
One position at a time no responses 13/02/2019
Stock-Bond Balance 24 responses 13/02/2019
Contest results for Monday, February 11 will be delayed 4 responses 12/02/2019
Futures PNL Help no responses 12/02/2019
strategy advice no responses 12/02/2019
Is there any way to speed up research / data requests? no responses 12/02/2019
'NaTType' object has no attribute 'days' - Error in custom factor no responses 12/02/2019
Error when starting zipline with dockerfile - KeyError: 'allow_remote_access' 1 response 12/02/2019
Quantopian Code of Conduct 5 responses 12/02/2019
E*TRADE API no responses 12/02/2019
Custom Trading Universe no responses 12/02/2019
issue rebalancing with TargetWeights and percentile_between with mask 3 responses 12/02/2019
Getting Started? 3 responses 12/02/2019
Tearsheet Feedback Request 20 responses 11/02/2019
Future contract data is not up-to-date in Research environment? 2 responses 11/02/2019
Built-in MaxDrawdown Calculation Bug? no responses 11/02/2019
Live Webinar: "What to Look for and Look Out for in Quantitative Investing" on 2.7.19 no responses 11/02/2019
EUR data set? 5 min. no responses 11/02/2019
Referencing qtradable universe 3 responses 11/02/2019
Live Trading? 6 responses 11/02/2019
Using variable with Talib RSI.... 2 responses 11/02/2019
How do you know if the mean-reversion is valid in the current market condition? 3 responses 11/02/2019
Why cant i run this function no responses 11/02/2019
syntax error if elif statement 1 response 10/02/2019
Formatting And general questions. 1 response 10/02/2019
Access alerts from an analyst no responses 10/02/2019
What is the Research al tearsheet calculation really doing and why? no responses 10/02/2019
What does 'every_day' mean? no responses 10/02/2019
14 sharpe, mostly cash strategy 4 responses 10/02/2019
VBA Advice - Quant Career 1 response 10/02/2019
Futures data, specifically CL no responses 08/02/2019
[Deleted] 7 responses 08/02/2019
zipline.errors.InvalidCalendarName: The requested TradingCalendar, XNYS, does not exist 2 responses 08/02/2019
Pipeline data groupby using Date no responses 08/02/2019
How To Get Round Optimize API 2 responses 08/02/2019
Issue with data.history on stock list 3 responses 08/02/2019
I've tried to create ROETTM really hard, but I cannot create it, need help 1 response 08/02/2019
How to find out mathematically if two trends are showing in the same direction ? no responses 08/02/2019
Adding VWAP and moving average into an intraday 1min candlestick plot 3 responses 08/02/2019
Pipeline Custom Factors no responses 07/02/2019
Back-testing Performance Issues 1 response 07/02/2019
Recovery Yahoo Email no responses 07/02/2019
Final Presentation 070219 1 response 07/02/2019
Final task no responses 07/02/2019
Final Task of Introduction to Systematic Investment Strategy Seminar no responses 07/02/2019
Volatility Trading 1 response 07/02/2019
Use ETF that tracks T-bills as benchmark no responses 06/02/2019
10 Year Treasury Dataset Broken? no responses 06/02/2019
Difference between backtest engine and paper trading engine? no responses 06/02/2019
Seminar Paper - Introduction to Systematic Investment Strategy no responses 06/02/2019
How am I NOT trading the tradeable universe when using QTradableStocksUS() ? 3 responses 06/02/2019
Quick Alphalens Quantile Question 1 response 06/02/2019
"Introduction to Systematic Investment Strategies" - supplement report no responses 06/02/2019
Investment Strategy based on Market Beta for S&P 500 Companies- SYSTEMATIC INVESTMENT STRATEGIES REPORT no responses 06/02/2019
"Introduction to Systematic Investment Strategies" - homework 5 1 response 06/02/2019
"Introduction to Systematic Investment Strategies" - homework 1&2 no responses 06/02/2019
Final meeting: fundamentals and returns 2 responses 06/02/2019
Fundamental Analysis for my University Class 1 response 06/02/2019
My First Notebook: Plotting SPY, DIA and QQQ Using .Apply on a DataFrame no responses 06/02/2019
21 Unique Quant Algo Trading Opportunities in Futures by Andreas Clenow no responses 06/02/2019
Presentation for Pitch 2 responses 06/02/2019
Fundamental Algo for my University Class no responses 06/02/2019
Topic Course 3 responses 06/02/2019
Practice no responses 05/02/2019
Getting all available history data no responses 05/02/2019
Live Algorithms Not Running 2 responses 05/02/2019
Is algorithmic trading a good option for with a limit on day trading and low capital in Robinhood? Is there other no commission trading options? no responses 05/02/2019
How return of a strategy is calculated no responses 05/02/2019
Final presentation for 02-07-19 2 responses 05/02/2019
Best way to check amount of data in a dataset? 3 responses 05/02/2019
PE Ratio Strategy - Happy to get some feedback and practical tips 7 responses 05/02/2019
Complex mean reversion/adverage down 1 response 05/02/2019
Ways to Connect Quantopian and Robinhood no responses 04/02/2019
column wise median 5 responses 04/02/2019
Simple Pairs Trading Strategy: BP & Shell 4 responses 04/02/2019
Can anyone tell me why this code is not running? 2 responses 04/02/2019
Help get_pricing() 10 responses 03/02/2019
Mean-Reversion Short - Money in bad markets 9 responses 03/02/2019
options for retail algorithmic trading? 13 responses 03/02/2019
How much money is an algorithm worth? 50 responses 03/02/2019
futures data missing no responses 03/02/2019
Data / Programming question for TA-lib output 2 responses 03/02/2019
My First Quantitative Future Trading Algorithm 4 responses 03/02/2019
Permission denied no responses 02/02/2019
tutorials lesson 4 no responses 02/02/2019
Avoiding Overfit Bias -- An Overlooked Dimension of Holdout Data 2 responses 02/02/2019
Finding a partner to work with me in a Stock Market Project! no responses 01/02/2019
Technical Indicators, Entropy, and Fundamentals 4 responses 01/02/2019
Try to Close All Open Orders Every Minute X Amount of Minutes Prior to Close? 3 responses 01/02/2019
superimpose two stock price graph 9 responses 01/02/2019
Data Type Conflict no responses 01/02/2019
Second Week, Second Algorithm (I'm getting worse) 2 responses 01/02/2019
Sectors in Pipeline 7 responses 01/02/2019
is Fundamentals.roe TTM? 1 response 01/02/2019
Increasing turnover with mostly fundamental factors 7 responses 31/01/2019
qunatiles in algo for backtest no responses 31/01/2019
Trailing stop loss no responses 31/01/2019
Simplified Moving Alpha Tearsheet 3 responses 31/01/2019
Residual Analysis 2 responses 30/01/2019
Stock Screener 1 response 30/01/2019
Concepts of Experimental Design using Fundamentals no responses 30/01/2019
is Fundamentals.roe TTM? no responses 30/01/2019
Day of the week phenomenon no responses 29/01/2019
Fundamental Algo Based on ROIC & FCF Growth no responses 29/01/2019
Free Ticket Giveaway: Data Science Salon Austin no responses 29/01/2019
How to create Algo to buy when RSI moves below 30 and sell when it reaches above 70? 1 response 29/01/2019
Fundamental data KMeans clustering 2 responses 29/01/2019
How do I put order to futures market by lots? 2 responses 29/01/2019
Historical Vix Data in a single stock algo no responses 29/01/2019
d no responses 29/01/2019
New Random Forest Design 1 response 28/01/2019
AttributeError when trying to use data.history in Pipeline no responses 28/01/2019
Calling All Students: The University Contest Launches This Week 2 responses 28/01/2019
error when try to use command: create_full_tear_sheet 4 responses 28/01/2019
Profiting from Information Arbitrage in the Financial Markets no responses 28/01/2019
Pipeline find stock has yesterday unsual compare to average no responses 27/01/2019
Protective put no responses 27/01/2019
Using outside functions within a pipeline (Research Environment) no responses 27/01/2019
How to make a list of securities that == True. no responses 27/01/2019
Getting Option Prices From Own Files no responses 27/01/2019
Did anyone here actually get funded by Q? 5 responses 26/01/2019
Leverage 0.88x but it fails the criteria, why? no responses 26/01/2019
A noobs first week on quantopian 3 responses 26/01/2019
Is there a avoid hard-coding record() keywords? no responses 26/01/2019
How to use pipeline to find out if a companies NI has been positive for a given time period? 1 response 25/01/2019
Industry Mean PE Ratio mixed with Stocktwits no responses 25/01/2019
Reading rows from csv no responses 25/01/2019
data.history in pipeline no responses 25/01/2019
usage of spearmanr function on factor against another factor as target no responses 25/01/2019
Beta hedging using optimize API FactorExposure no responses 25/01/2019
python novice needs plotting help no responses 24/01/2019
Need help for creating a factor to access the previous day's exponential moving average 1 response 24/01/2019
Multiple Linear Regression for Risk Modeling 2 responses 24/01/2019
Notebook Error no responses 24/01/2019
How do I get the standard deviation of the rolling six month Sharpe ratio in the backtester? no responses 24/01/2019
contest scoring missing January 18 results? no responses 23/01/2019
Sorting frozen set (Fundamentals) no responses 23/01/2019
BusinessDaysUntilNextEarnings fix? no responses 23/01/2019
Behavioral Arbitrage Design Strategies that Time Market Mistakes no responses 23/01/2019
Quantopian based Institutional-Grade Automated Trading Software for Backtesting, Optimizing and Executing Multi-Asset Trading Strategies 14 responses 23/01/2019
Ability to pull all columns in a dataset into a pipineline no responses 23/01/2019
How to realize this model with 4% IC in a backtest? 1 response 23/01/2019
Comparison of PCA with raw prices and smoothed prices no responses 23/01/2019
Days Rules for Moving Average 8 responses 22/01/2019
KeyError in Futures Calendar 1 response 22/01/2019
simple moving average no responses 22/01/2019
Live Webinar: Reinforcement Learning in the Presence of Nonstationary Variables TOMORROW 1/23 11 responses 22/01/2019
Slightly Confused About 'Daily Positions and Gains' Field 4 responses 22/01/2019
Data Type Error no responses 22/01/2019
Topic 2 - Relationship between first 30 mins returns and RSI cumulative - period 14 days 1 response 21/01/2019
Trying to make a simple percent change calculation 1 response 21/01/2019
For Topics Course 12 responses 21/01/2019
What version of scikit-learn is installed? 2 responses 21/01/2019
Get_pricing function return missing symbol, please advise 3 responses 21/01/2019
how does opt.MaximizeAlpha work as compared to opt.TargetWeights? 3 responses 21/01/2019
commission for the contest & live trading? 3 responses 21/01/2019
How can I trust 51% annualized alpha (!!) from AlphaLens? 10 responses 21/01/2019
BLCM StockTwits Sentiment Return Factors Plot no responses 20/01/2019
Issues with my SPY 200 moving average... no responses 20/01/2019
distance between custom factors - range or something else? 1 response 20/01/2019
The probability of backtest overfitting 5 responses 20/01/2019
NantKwest SMA Crossover Data Plot no responses 19/01/2019
Institutional Ownership 1 response 19/01/2019
how come the long positions does not result in the reversal of short positions 5 responses 19/01/2019
Backtesting Brazilian assets 1 response 19/01/2019
HW2 Topics course 3 responses 19/01/2019
better no responses 19/01/2019
if sharpe ratio is important criteria, why not just invest in risk-free asset? 5 responses 18/01/2019
plot_cumulative_returns taking 3 argument where document only has 2 4 responses 18/01/2019
Import pandas-datareader no responses 18/01/2019
seeking help in implementing 'stop-loss' no responses 18/01/2019
INVESTMENT & MONEY MANAGEMENT LIMITED 1 response 18/01/2019
what is the point of neutral net dollar exposure? no responses 17/01/2019
Error when starting a backtest no responses 17/01/2019
Bag of Words 1 response 17/01/2019
No Algo will be Consistently Profitable 10 responses 16/01/2019
Fundamental Factors analysis with Alphalens no responses 16/01/2019
Kera and Tensorflow 8 responses 16/01/2019
for ken no responses 16/01/2019
Overfit model rescue attempt 2 responses 16/01/2019
Labeling Data for Financial Machine Learning 7 responses 16/01/2019
Morningstar Fundamental Data: Latest Fiscal Year instead of Quarter? no responses 15/01/2019
Adaptive Markets and Neuro-Finance by Dr. Kathryn Kaminski no responses 15/01/2019
Live Tearsheet Review (Updated 1.14.19) 29 responses 15/01/2019
How to invest in bond in contest algo? 1 response 15/01/2019
Pipeline not working with Contract Win dataset no responses 14/01/2019
How to get the Sector to work with international stocks? 3 responses 14/01/2019
"Translating" Alphalens results into an algorithm? 12 responses 14/01/2019
Backtest vs contest backtest results very different 2 responses 14/01/2019
KeyError no responses 14/01/2019
Tutorial Lesson 4 - Unable to show graph of portfolio cumulative returns no responses 13/01/2019
Top 50 stocks by market cap no responses 13/01/2019
Issue - Execution Timeout on symbols no responses 13/01/2019
Downloading backtest returns to desktop no responses 12/01/2019
How can I get a template strategy that satisfies all the constraints of the contest? 4 responses 11/01/2019
Need comment on my algo structure 1 response 11/01/2019
Exponentially Weighted Moving Median no responses 11/01/2019
alphalens problem no responses 11/01/2019
Advanced Custom Factor - Trailing 12M As Of Date no responses 11/01/2019
Is parallel computing supported on Quantopian? 2 responses 11/01/2019
Algo Feedback no responses 11/01/2019
Compile notebook work into qt interface no responses 10/01/2019
Data Dictionary for fundamental data? no responses 10/01/2019
How to view individual stock returns in an algo? 2 responses 10/01/2019
Median (in the context(s) of Risk pipeline, etc.) 1 response 10/01/2019
Right place to start learning quants? no responses 10/01/2019
Automatic strategy no responses 10/01/2019
What does 'Expired' mean? no responses 10/01/2019
ValueError: Inferred frequency None from passed values does not conform to passed frequency B 1 response 10/01/2019
Testing Fundamental Factors no responses 10/01/2019
How to get the correct (if any) factor boundary from Alphalens result? 1 response 10/01/2019
Simple Machine Learning Help 2 responses 10/01/2019
Order_target_percent creating unwanted shorts? no responses 10/01/2019
Pipeline : Use different input data other than USEquityPricing 1 response 10/01/2019
View names and weight after optimizer in long/short equity template 2 responses 09/01/2019
sample backtest no responses 09/01/2019
Identifying Your Tradable Stock Universe no responses 09/01/2019
get_pricing with global equities 1 response 09/01/2019
Notebook 0. API Reference - errors no responses 09/01/2019
Apply machine learning in US stock market no responses 09/01/2019
Market Returns within Pipeline 6 responses 09/01/2019
Notebook: Filtering by Ranking Score? 4 responses 09/01/2019
Live Webinar: "Bayesian Covariance for Portfolio Optimization" on January 15th no responses 08/01/2019
Citi’s Bear Market Checklist -- predictability indicator 1 response 08/01/2019
Help With Nans 1 response 08/01/2019
List all US equities within a certain price range 2 responses 08/01/2019
Is there any method to get TTM data :) 5 responses 08/01/2019
Calling Multi Index Attributes after reducing a Dataframe with Iloc 10 responses 07/01/2019
IBKR stock quote is stuck 6 responses 07/01/2019
Take Back All I Said. 1 response 07/01/2019
Point Figure Chart no responses 07/01/2019
Gradient free optimization on backtests no responses 07/01/2019
What am I doing wrong? 1 response 07/01/2019
Heatmap Q500 - Intraday Return / PE-Ratio & Book Value per Share no responses 07/01/2019
How to convert quantopian ML tutorials to zipline? 1 response 07/01/2019
Help with creating a new fundamental indicator 3 responses 07/01/2019
Help with forward returns and addition of (trading) days 3 responses 07/01/2019
Fundamentals Date Issue no responses 06/01/2019
Backtesting Problem(Positions vs Transactions) 6 responses 06/01/2019
Combination of Supertrend with EMA Crossover 8 responses 06/01/2019
Optimize API - is it open source? 3 responses 06/01/2019
morningstar variablesvariables for closed equity bond funds no responses 06/01/2019
Exact type of 'context' parameter in algorithm methods & how it is constructed under the hood no responses 05/01/2019
Unable to run init_fundamentals 2 responses 05/01/2019
Any algorithms for sale? 5 responses 05/01/2019
New to the field, no responses 04/01/2019
I get quite often error by starting the backtest 8 responses 04/01/2019
How to manage a list of many securities 1 response 03/01/2019
Simple long short strategy 2 responses 03/01/2019
Logistic Regression 2 responses 03/01/2019
Schedule function not running on 2nd day of the week this week (2nd of Jan, 2019)? bug? 2 responses 03/01/2019
Return Predictability and Market-Timing: A One-Month Model by Petra Bakosova 3 responses 03/01/2019
Question on making label with different params. no responses 03/01/2019
Random algorithm with fixed stop-loss to take-profit ratio. no responses 03/01/2019
Notebook vs. IDE - brain exploding - need a general kick in the right direction! no responses 02/01/2019
Opening Range Breakout Strategy - Help 1 response 02/01/2019
Any way to use data.history without having to go through each day? How do you import data all at once with date range? 2 responses 02/01/2019
Getting Fundamentals outside of Quantopian research no responses 02/01/2019
Compare different Alphas in one TearSheet 2 responses 02/01/2019
Do hedge funds use Quantopian / Zipline for production research? 1 response 02/01/2019
Homework 5 Alphalens of PB_ratio no responses 02/01/2019
Paper trading a Momentum Rotation strategy, thinking of taking it live. 1 response 31/12/2018
pinescript tradingview strategy to quantopian no responses 31/12/2018
Alphalens giving 'exog contains inf or nans' 3 responses 31/12/2018
Trying to compute the distance between 52 week high and current price 1 response 30/12/2018
Homework 4 Heatmap of pb_ratio & RSI no responses 30/12/2018
Homework 3 Heatmap of pb_ratio & ev_to_ebitda no responses 30/12/2018
MaxLossExceededError 2 responses 30/12/2018
Periods with no trades no responses 30/12/2018
Need help trying to understand the optimized API 1 response 29/12/2018
Basic question about get_pricing() 2 responses 29/12/2018
How to create the NASDAQ100 and the S&P500 universe etc? 3 responses 29/12/2018
Homework 4 Heatmap of New Factors no responses 29/12/2018
Sell the position if the first day is red 2 responses 29/12/2018
Is there a database or CSV for Quantopian security ids available? 1 response 29/12/2018
help with Slippage for futures no responses 28/12/2018
Creating a Factor using Historical Data 4 responses 28/12/2018
Optimize factor weights in a multiple factor alpha no responses 28/12/2018
Futures paper trading? no responses 28/12/2018
Why has the whole history been rewritten on 2018-12-27? 2 responses 28/12/2018
How to access alphaone_free? no responses 28/12/2018
Does Quantopian support the US option trade? 2 responses 28/12/2018
iloc / history snafu. using Alphalens template. quick code fix help no responses 27/12/2018
Homework 3 Heatmap of pb_ratio & diluted_eps_growth no responses 27/12/2018
My stop order is not working 2 responses 27/12/2018
PLease somebody debugg . Line 25 shows an error, 'context.long' not defined 6 responses 27/12/2018
Problem to create a custom a SlippageMode for futures 2 responses 26/12/2018
heatmap MACD/ OS different Types of retrurn no responses 26/12/2018
MACD & Stochastic analysis no responses 26/12/2018
Exercise in TA - puzzled by differing results when changing execution schedule? 7 responses 26/12/2018
What would be the best way of determining the returns of buying the counties with the lowest cape ratio of the past 40 years? no responses 25/12/2018
Topic Course - ML 9 responses 24/12/2018
Quantopian and options trading 9 responses 24/12/2018
Old Backtest of an earlier version of the Delta Mean Reversion Algorithm I wrote 2 years ago. 1 response 23/12/2018
homework 2 heatmap of returns and factors no responses 23/12/2018
SPX Listed options data 1 response 23/12/2018
NOVICE - Business days and Earnings 1 response 23/12/2018
Is quantopian data primary exchange data or consolidated data? no responses 23/12/2018
Zipline for Python 3.7? no responses 22/12/2018
Mean Reversion System for Stocks and Commodities Magazine 2 responses 22/12/2018
Intro To MAFN Best Hurst: AK, MC, MD, YX 1 response 22/12/2018
Pipeline Timeout Exception Question 1 response 21/12/2018
Looking for comments, ~50% APY over 15 years on 2nd try, no curve fitting? 1 response 21/12/2018
Roll futures based on Volume no responses 21/12/2018
OPTIMIZE API In research 1 response 20/12/2018
Different types for Fundamental 3 responses 20/12/2018
Alpha and Beta in Finance 4 responses 20/12/2018
Looping through all fundamentals no responses 20/12/2018
Share notebook through email? 1 response 20/12/2018
Newbie trying to calculate the momemtum 1 response 20/12/2018
15 More Community Members Licensed 5 responses 19/12/2018
Loading Research/Notebooks 2 responses 19/12/2018
Optimizing Trading Strategies without Overfitting by Dr. Ernest Chan no responses 19/12/2018
Project Card 2- Market Sentiment (2) for intraday/overnight/first30m/last30m returns no responses 19/12/2018
Algorithm not selling stocks at target price 2 responses 19/12/2018
hScalp, a tear sheet. 7 responses 19/12/2018
Performance Stats in Research for a single column equity curve 3 responses 18/12/2018
Split bugs. Please look into this if you are from the Quantopian team. Thanks. 1 response 18/12/2018
Live Webinar, "How to Get Funded" on January 24th at 2:00pm ET no responses 18/12/2018
What are the specific returns and common returns? 2 responses 18/12/2018
eventvestors 1 response 18/12/2018
Filter Pipeline by duration of publicly trading 2 responses 18/12/2018
alpha combination via clustering 109 responses 18/12/2018
How to find the worst performing stock in my backtest? no responses 18/12/2018
Actual trading? 2 responses 17/12/2018
Hedged Martingale HFT Market Making For US Treasury Futures 1 response 17/12/2018
Checking for null values in Fundamentals no responses 17/12/2018
How are limit orders filled? 1 response 17/12/2018
Group Pipeline by equity name 1 response 17/12/2018
This line fails for me no responses 16/12/2018
Have all functions and objects included in the documentation? 1 response 16/12/2018
Contest Leaderboard reset question 2 responses 15/12/2018
How to buy a stock at a price lower than the price previously sold at 3 responses 15/12/2018
Some important securities missing in Q1500US 2 responses 15/12/2018
trying new alpha analyzer - hangs? 14 responses 15/12/2018
CS221 FINAL PROJECT 2 LAYER 30 prices window no responses 15/12/2018
CS221 FINAL PROJECT 3 LAYER 60 prices window no responses 15/12/2018
Need help getting model to optimize 2 responses 15/12/2018
[Series help] Avoid small transactions in the rebalancing of my portfolio 1 response 14/12/2018
Introducing the Quantopian Information Security blog no responses 13/12/2018
How can I get adjusted prices (minute resolution) in research notebooks? 3 responses 13/12/2018
Notebook to go along with last post no responses 13/12/2018
Low Vol, Uncorrelated Alpha in Pair Trading Oil Spreads 3 responses 13/12/2018
Correlation with Fundamentals no responses 13/12/2018
Range Trading Vix Options no responses 13/12/2018
TQUG6_SampleAlgorithm_jpn no responses 13/12/2018
Alphaens analysis of Equity Per Share Growth for Overnight/Intraday 1 response 12/12/2018
Alphalens Analysis - Session Cumulative Returns 14 responses 12/12/2018
Alphalens Diluted EPS Growth no responses 12/12/2018
Quantopian to Quantconnect no responses 12/12/2018
Getting to know Alphalens, Problem defining Volatility no responses 12/12/2018
Kalman Filter Pairs Trading no responses 12/12/2018
Paper trading error message: NoDataOnDate: 2018-12-12 00:00:00+00:00 2 responses 12/12/2018
Risk Model and Q1500US Unavailable 1 response 12/12/2018
Simulating Maker\Taker Behavior no responses 12/12/2018
Need help in converting the 1 min time series data into 15 min data in the research environment. I want to calculate moving averages for the same data instead of the 1m data. 2 responses 12/12/2018
alphalens template change no responses 12/12/2018
Research Memory Limitation 4 responses 12/12/2018
Homework 1-Cumulative Overnight Return Plot no responses 11/12/2018
Hierarchical Risk Parity: Comparing various Portfolio Diversification Techniques 66 responses 11/12/2018
Help getting a custom-upload formula to backtest, pipeline, history, and long-short. 1 response 11/12/2018
Newbie trying to replicate mean reversion strategy. 4 responses 11/12/2018
Low-value high-leverage strategy no responses 10/12/2018
BAE Investment Management Trading Project no responses 10/12/2018
[Investment Management] 5 Factor Fama-French Momentum Strategy 1 response 10/12/2018
What's going on with contest? 4 responses 10/12/2018
Live Webinar: "Finding Alpha from ESG2.0™ Factors Beyond the U.S." with Dr. Stephen Malinak no responses 10/12/2018
Current volume in pipeline 1 response 10/12/2018
Troyan, Mitrofanov, Paschenko, Vasilieva 1 response 10/12/2018
KeyError:Equity(15789 [DNR]) no responses 10/12/2018
стратегия для курса Шибанова 1 response 09/12/2018
question about fundamentals.div_yields5_year 4 responses 09/12/2018
What is the limit on the number of concurrent backtests? 1 response 09/12/2018
How do I test an irregular factor in alphalens? no responses 08/12/2018
New to Quant, looking for help 5 responses 08/12/2018
More Strange (and Dangerous!) Notebook Behavior 5 responses 08/12/2018
Odd historical data 1 response 08/12/2018
Contest results for Thursday, December 6, and Friday, December 7, will be delayed 5 responses 07/12/2018
How to import data and decisions in CSV format and backtesting no responses 07/12/2018
Submitting a trained ML model to contest 1 response 07/12/2018
I'm new to coding and need some help getting past this error. no responses 07/12/2018
PE_ratio; alphalens analysis of overnight and intraday returns 1 response 07/12/2018
'_xsrf' argument missing from POST 4 responses 07/12/2018
Moving Average System no responses 07/12/2018
Historical Database on Quantopian no responses 07/12/2018
How to create a program that buys and sells based off of the rsi 2 responses 07/12/2018
`Earnings date calendar 1 response 06/12/2018
do the returns/prices include the dividends? no responses 06/12/2018
Working with BacktestResult Object 1 response 06/12/2018
[Investment Management course] RSI-Based Strategy no responses 06/12/2018
Task 5(a)- Alphalens Factor Analysis of PE_RATIO for Overnight Returns no responses 06/12/2018
Homework 6 for 12-6-18 1 response 06/12/2018
Help in creating a simple backtest no responses 06/12/2018
How to Use data.history 40 responses 05/12/2018
Alphalens Analysis (overnight) - MV and DPS no responses 05/12/2018
Alphalens Analysis (intraday) - Market Value and Dividends Per Share no responses 05/12/2018
Homework: Alphalens Analysis Trading Popularity 1 response 05/12/2018
Women in FinTech: Spotlight on Whitney Melford, Kensho Technologies no responses 05/12/2018
Homework for "Introduction to Systematic Investment Strategies" 1 response 05/12/2018
d no responses 05/12/2018
Using Hidden State Markov Model and Support Vector Machine to detect Market Regimes 6 responses 05/12/2018
"Introduction to Systematic Investment Strategies" - homework 4 no responses 05/12/2018
Running same code through notebooks, different results w/alphalens 1 response 05/12/2018
MaxLossExceededError in notebook 1 response 05/12/2018
order book no responses 05/12/2018
Possible Bug in Pipeline 5 responses 05/12/2018
Key error in creating a Pipeline 5 responses 05/12/2018
Relationship between overnight returns and RSI - period 14 days no responses 05/12/2018
Alphalens Analysis 5 responses 05/12/2018
Stochastic via Pipeline in research environment 3 responses 05/12/2018
Mean Regression Balance of Top REITS and Top Bank Stocks no responses 05/12/2018
AAPL Backtest Results no responses 05/12/2018
TSLA Backtest Results no responses 05/12/2018
GOOG Backtest Results no responses 05/12/2018
Project Card 2 Working no responses 04/12/2018
Fundamental 2 responses 04/12/2018
Bullishness bearishness of stocks for first 30m last 30m returns no responses 04/12/2018
Implement machine learning algorithm in the research IDE no responses 04/12/2018
Quantopian Dataset missing 10-Year Treasury Constant Maturity Rate before 6/23/2017! 2 responses 04/12/2018
Pulling pe ratio for one stock? no responses 04/12/2018
TypeError:MaximizeAlpha() expected a value with dtype 'float64' or 'int64' for argument 'alphas', but got 'object' instead. 14 responses 04/12/2018
Industry relative factors in pipeline no responses 03/12/2018
PROJECT CARD 1: Relationship between Intraday Returns and RSI no responses 03/12/2018
how to retrieve trade calendar under algorithm environment ? 1 response 03/12/2018
Sub-session returns 2 responses 03/12/2018
Inverse of a factor in alphalens 1 response 03/12/2018
Algo vs Benchmark 2 responses 02/12/2018
Sharing Intro to MAFN Security Selection no responses 02/12/2018
Question on Linear regression 8 responses 02/12/2018
pyfolio access to backtestid daily returns 5 responses 02/12/2018
help --- Fundamentals.country_id =="USA" 1 response 01/12/2018
code does not stop at breakpoint no responses 01/12/2018
Whatever changed with memory reclamation... 5 responses 01/12/2018
Top 4 REIT Price Comparison no responses 01/12/2018
How to extract sectors simply from a data-structure? 1 response 01/12/2018
How to create alpha factor per sector in pipeline? no responses 01/12/2018
Relationship between overnight returns and RSI - period 7 days no responses 01/12/2018
Exercises: Plotting - Answer Key (Mistake) 1 response 30/11/2018
Inverted Long Strategy = Short Strategy? 2 responses 30/11/2018
Task 4(b)- Growth Grade against RSI Traditional (14 Days) no responses 30/11/2018
Homework 4, part b: heatmap no responses 30/11/2018
Homework 4, part a: heatmap no responses 30/11/2018
I set MAX_POSITION_SIZE = 0.01, but when I run the algorithm, it has 400 positions after optimization... is it a bug? no responses 30/11/2018
the ic is low but the 1dreturn, 3dreturn is very positive... why? 1 response 30/11/2018
Can someone demonstrate using order_optimal_portfolio with an old ML algo? 1 response 30/11/2018
rendimiento de amazon no responses 30/11/2018
blank no responses 29/11/2018
Women in FinTech: Spotlight on Beha Abasi 5 responses 29/11/2018
Homework 4: heatmap market cap no responses 29/11/2018
Homework 4 no responses 29/11/2018
Task 4(a)- Heatmaps of PE Ratio against Traditional RSI (14 days) no responses 29/11/2018
Homework 3 : Introduction to Investment Strategies Seminar no responses 29/11/2018
Sub-session returns - Forward PE Ratio and Equity Per Share Growth no responses 29/11/2018
Homework: Heatmap with Trading Popularity and PE Ratio no responses 29/11/2018
Fundamental Analysis Diluted eps growth no responses 28/11/2018
Heatmaps, Volatility bs PE Ratio no responses 28/11/2018
Sales Size for Ranking a Stock Universe - Template Fundamental Algo 9 responses 28/11/2018
back-testing no responses 28/11/2018
PB Ratio and Growth Grade 2 responses 28/11/2018
Factor weighted long/short portfolio cumulative return(1d period) is positive, but ic is -0.002? no responses 28/11/2018
How to properly get the daily close data? 4 responses 28/11/2018
I found the stock price doesn't match during 2016-2017, and price differences is an 'alpha', is there something wrong? 1 response 28/11/2018
Calling all Students! New University Contest - Deadline January 31st no responses 27/11/2018
Syntax Error where I see none 3 responses 27/11/2018
"The Five Reasons Why Most Traders Fail - and How to Avoid Them" Webinar on 12.6.18 with Andreas Clenow 1 response 27/11/2018
Liquidization of Entire Portfolio 2 responses 27/11/2018
notebook cannot run analysis on backtest, need help no responses 27/11/2018
Draft of Relationship between bullishness/bearishness of the stocks and their first 30m returns no responses 26/11/2018
create new sid and symbol no responses 26/11/2018
Strange notebook problems 8 responses 26/11/2018
Very succesful in calling and catching bottoms (knives). Need some help in coding. 1 response 26/11/2018
What is going on here? no responses 26/11/2018
Timing and memory (in this case focused on the storing of all orders) no responses 25/11/2018
Arbitrary Moving Average Kernels no responses 24/11/2018
Custom pipeline factor for return volatility (3-yr) 2 responses 24/11/2018
NonWindowSafeInput error no responses 24/11/2018
sentex sentiment analysis: want to do linear regression or moving averages on them no responses 23/11/2018
how to set benchmark to Q500US? no responses 23/11/2018
Topics Course no responses 23/11/2018
ML Adbaboost on Fundamentals no responses 23/11/2018
Seeking Collaborator 3 responses 22/11/2018
how to set before trading starts? looking to set this for once a week 1 response 22/11/2018
The price to consider in Statistical Arbitrage no responses 22/11/2018
Why are the prices from prices() and USEquityPricing.close.latest different? 4 responses 22/11/2018
Please, how to filter pipeline with small pharmaceutical stocks? 2 responses 21/11/2018
Facebook Daily Return no responses 21/11/2018
multiple questions on Q500US: is there index value? is there a divisor? how does it match SPY? no responses 21/11/2018
Feature Selection in Machine Learning 2 responses 20/11/2018
Issues meeting all 7 constraints 3 responses 20/11/2018
Few questions from a newbie no responses 20/11/2018
How to get right backtest result for EWA/EWC pair tading? no responses 20/11/2018
How to write the ols method for EWA/EWC pair tading? no responses 20/11/2018
KeyError: 'the label [ Equity(2 [ARNC])] is not in the [index]' 3 responses 20/11/2018
Problems with Price Precision (JPY example) no responses 20/11/2018
RSI MISSING POSITION ARGUMENT 2 responses 19/11/2018
what time does before_trading_start get executed when one is in futures mode rather than equity? can cause bugs in code. no responses 19/11/2018
I found an algorithm that might generate 'alpha' from alphalens, how would I increase that? Many thanks no responses 19/11/2018
Is there a way to specify a window-length = as far as the data goes back? no responses 19/11/2018
AssertionError:_friend_dataset has not been registered 2 responses 19/11/2018
What is the date range for which Futures data is available? no responses 18/11/2018
Backtest Feedback Please - Contest Algo. 9 responses 18/11/2018
Is there a way to quickly grab sample data and avoid waiting 1m running the pipeline? 1 response 18/11/2018
Is there a way to get really high beta in a portfolio? 3 responses 18/11/2018
Long nights, short days no responses 18/11/2018
Is pickle library available no responses 17/11/2018
Date from data history 3 responses 17/11/2018
Can I import Python files in notebooks on Quantopian? no responses 17/11/2018
Can Quantopian add TRACE bond time and sales? no responses 17/11/2018
a question with market cap no responses 17/11/2018
Fringe Benefits of Low Vol, Market Neutral, High Turnover Strategies no responses 17/11/2018
how to print tearsheet no responses 17/11/2018
Trouble with Optimize TargetWeights 1 response 17/11/2018
What is the status of the broken pipe problem Error 32? no responses 17/11/2018
Long/Short algo simulation error - Out of memory 5 responses 16/11/2018
Week 3 Task- Heatmaps of Forward_Earning_Yield and Forward_PE_Ratio against Value_score no responses 16/11/2018
Learn2Quant Demo 1 response 16/11/2018
MACD & Stochastic no responses 16/11/2018
UnicodeDecodeError:'ascii' codec can't decode byte 0xa0 in position 308: ordinal not in range(128) by handling csv file 1 response 15/11/2018
Classification and Regression in Machine Learning 2 responses 15/11/2018
Is quantopian.globalewallet.com fake? 9 responses 15/11/2018
could not broadcast input array 3 responses 15/11/2018
homework 3 no responses 15/11/2018
Sub-session returns - EV To EBITDA and Equity Per Share Growth no responses 15/11/2018
Sub-session returns - Market Cap and Equity Per Share Growth no responses 15/11/2018
Algorithm Help no responses 15/11/2018
Heatmap Forward PE Ratio & Book Value Yield to different Returns no responses 14/11/2018
Heatmap Forward PE Ratio & PE Ratio to different Returns no responses 14/11/2018
Volume in research 4 responses 14/11/2018
Relation of PE ratio to diluted EPS growth and growth grade no responses 14/11/2018
Homework 3: pe_ratio/market_cap and pe_ratio/equity_per_share_growth; dependence of the returns during different time sessions no responses 14/11/2018
Fundamental Data Analysis of Q500US Returns - Heatmap 1 response 14/11/2018
Homework 3: topic course. no responses 14/11/2018
"Introduction to Systematic Investment Strategies" - homework 3 no responses 14/11/2018
Heatmap: Return Analysis in relation to EPS Growth & Market Cap no responses 14/11/2018
Homework 3: PE_ratio / Book value yield no responses 14/11/2018
Homework 3 for 11-15-18 no responses 14/11/2018
Options information and backtesting no responses 13/11/2018
Pipeline runtime error no responses 13/11/2018
Calling Historical Close Price for a Specific Date in Time no responses 13/11/2018
CSV file can I use one? no responses 13/11/2018
Calculate 1 year percent change no responses 13/11/2018
Heatmap Q500US no responses 12/11/2018
Implementing Momentum using Long/Short Algo template help no responses 12/11/2018
Cumulative Overnight Returns of 'QQQ' no responses 12/11/2018
Customfactor assign different numbers depending on if asset in list or not 1 response 12/11/2018
Risk-Adjusted ROIC (CustomFactor) 4 responses 12/11/2018
Zipline custom bundle ingest hourly frequency historical data 1 response 12/11/2018
Multiple instances of a custom factor & managing the output in Pipeline 3 responses 12/11/2018
Questions regarding ordering no responses 12/11/2018
When is quantopian least used... ie. the best time to do backtesting? no responses 12/11/2018
algo share 89 responses 11/11/2018
Is it no longer possible to plot strategy return in Research 1 response 10/11/2018
Best practice for working with time series in the Algorithm IDE no responses 09/11/2018
The Snail that is Notebook 21 responses 09/11/2018
SPY Buy at Open Sell at Close no responses 09/11/2018
SPY Buy at Close Sell at Open no responses 09/11/2018
For Topics Course. Uni Freiburg 1 response 09/11/2018
TargetWeight for cross sectional long short no responses 09/11/2018
Pipeline error - "ValueError: too many inputs" - limit on number of custom factors? 5 responses 09/11/2018
possible to download IB historical data inside a quantopian program? 2 responses 09/11/2018
can someone provide an update on short interest, stock available to short and stock loan rates data available here? no responses 09/11/2018
futures_data no responses 09/11/2018
Heatmap depicting how mean returns depend on the price/earnings ratio (pe_ratio) and the free cash flow per share/price ratio (fcf_yield) no responses 08/11/2018
Grabbing Past 2 Years of EPS Surprises with Zack's Earnings Surprises 3 responses 08/11/2018
Analysing deciles of stocks of Q500US via a heatmap 1 response 08/11/2018
Heatmap of Intraday Returns by Total and Sales Yield Ratios 2 responses 08/11/2018
Heatmap of Q500 Returns 1 response 08/11/2018
Can Custom Factor return dates? 4 responses 08/11/2018
Heatmap of Overnight Returns w.r.t. Total Yield and Net Income Growth no responses 07/11/2018
Homework 2: Heatmap 1 response 07/11/2018
Storing data per symbol from pipeline no responses 07/11/2018
Research get_pricing() function gives only limited data, majority of rows filled with nan 3 responses 07/11/2018
Class RiskModelExposure() - what are the default settings? 1 response 07/11/2018
Pipeline result spits out a long numeric code instead of ticker name in the dataframe for international equity data. 1 response 07/11/2018
Women in FinTech: Spotlight on Amy Nutt, O’Reilly Media 1 response 07/11/2018
Average Intraday Returns, Heatmap no responses 07/11/2018
Contest Entry Scores Changed? 8 responses 07/11/2018
pandas version >= 0.21.0 1 response 07/11/2018
Is limiting turnover the best way to control slippage impact? 5 responses 07/11/2018
Converting algo from Quantopian to IBridge.py 2 responses 07/11/2018
Some futures missing data for 2018? 5 responses 06/11/2018
Newbie need algorithm for contest help... 1 response 06/11/2018
"Financial data pipelines at Quantopian" Webinar - Thursday 11/8, 1:00 PM EST 1 response 06/11/2018
value backtest no responses 06/11/2018
My first Attempt on Quantopian Platform!! Plotting Cumulative Overnight Returns of QQQ no responses 06/11/2018
multi-factor Alphalens example 58 responses 06/11/2018
Dynamic Z-Score Entry/Exit thresholds for Pairs/Mean-reversion strategy no responses 05/11/2018
Looking for Help with TOS 1 response 05/11/2018
I need help to get the valuation ratio 2 responses 04/11/2018
Reversing Factor Weights with Alphalens 2 responses 04/11/2018
Alternative Test For Overfitting 20 responses 04/11/2018
Unable to Run Backtests on Almost All Algorithms no responses 04/11/2018
Please Is my Backtest good And Ready For Contest ? 4 responses 04/11/2018
MACD Histogram to Pipline no responses 04/11/2018
RSI indicator 5 responses 03/11/2018
simple alpha factor combination techniques? 13 responses 03/11/2018
Sell without buy 4 responses 03/11/2018
Trade record 4 responses 02/11/2018
Paper trading algorithms will be restarted on Monday 7 responses 02/11/2018
Live trading Issue 1 response 02/11/2018
Alphalens IC p-value no responses 02/11/2018
Flow-based dynamic multi-factor allocation (WIP) no responses 02/11/2018
Quantopian Lecture Sample: Long-Short Equity with the Optimize API 2 2 responses 02/11/2018
Backtester down? 17 responses 02/11/2018
Pipeline in IDE 1 response 02/11/2018
How many members in the community ? 1 response 02/11/2018
How do you execute your orders in Pair Trading? no responses 02/11/2018
About order_target_percent no responses 01/11/2018
Using Pyfolio to Analyze your Trading Strategies 1 response 01/11/2018
New to python and quantopian: How to count consecutive days 1 response 01/11/2018
About the Sid Function 2 responses 01/11/2018
Custom Factor issue while computing US Equity Pricing weekly 7 responses 01/11/2018
Dual momentum no responses 01/11/2018
Difference Between Quantopian And Zipline 1 response 01/11/2018
Working with Pandas DataFrame returned by Pipeline 2 responses 01/11/2018
Context Attributes no responses 31/10/2018
Writing Features to CSV no responses 31/10/2018
Weekly rebalance factor model algorithm (1.7 sharpe) no responses 31/10/2018
Optimise _API is converting my shorts to longs after just 1 day 6 responses 31/10/2018
Select data of specific security from get_pricing() with a list of securities 2 responses 30/10/2018
Contest Criteria Check - Issue in the notebook 1 response 30/10/2018
Very weird commission issue in the backtest 3 responses 30/10/2018
Call for Speakers for QuantCon Boston - April 5, 2019 9 responses 29/10/2018
Incorporating "portfolio optimise" into my algo - help get me across the line for competition entry 2 responses 29/10/2018
Learning how to use Alphalens for factor analysis 19 responses 29/10/2018
Don't Miss Our Next Webinar, "How Model Complexity Leads to Back Test Success and Out-of-Sample Strategy Failure" tomorrow at 12pm ET no responses 29/10/2018
Fill zscore factor NAN with 0 3 responses 29/10/2018
Indian stock market data no responses 29/10/2018
Warren Buffet Strategy 1 response 29/10/2018
My name is Michael. no responses 29/10/2018
Execution Timeout when calling data.history() in rebalance() 1 response 29/10/2018
Cumulative Overnight Returns of `QQQ` 5 responses 28/10/2018
Backtest för Dual momentum + kvartalsrotation no responses 28/10/2018
get lagged output of Pipeline Custom Factor? 22 responses 28/10/2018
HoldoutError: Pipeline attempted to access data that is held out of research and backtesting. no responses 27/10/2018
5 Minutes Execution Time Limit no responses 27/10/2018
Create MultiIndex DataFrame from pipeline output in IDE 1 response 27/10/2018
Market momentum after a drop no responses 27/10/2018
Getting current price of stocks in a pipeline universe 2 responses 27/10/2018
arxiv.org no responses 26/10/2018
counting the the contents of factors within pipeline 4 responses 26/10/2018
Tackling overfitting via cross-validation over quarters 21 responses 26/10/2018
FactSet Common Shares Outstanding no responses 26/10/2018
Generating Synthetic / Theoretical Options Prices 5 responses 26/10/2018
Trading VIX Options - Shorting the VIX no responses 26/10/2018
Lecture 11 - Random variables / Explicit return in __init__ method no responses 26/10/2018
Custom classifiers possible? 5 responses 26/10/2018
SciKit Version 1 response 25/10/2018
Problems controlling exposure to "short term reversals" no responses 25/10/2018
Learn How Factor Quantile Turnover can Impact Your Trading Costs 1 response 25/10/2018
Help getting started with futures contracts and an error trying to backtest the moving average with an order. no responses 25/10/2018
8K and press release data from Fundamentals no responses 25/10/2018
List of companies 2 responses 25/10/2018
cash management 2 responses 25/10/2018
Active futures contract in vanilla intraday algo 2 responses 25/10/2018
share check no responses 24/10/2018
QTradableStocksUS not being noted by IDE backtest 2 responses 24/10/2018
Lecture 1: Introduction to Systematic Investment Strategies. no responses 24/10/2018
Women in FinTech: Spotlight on Pavithra Rao, RapidMiner no responses 24/10/2018
Based on Quantopian Lectures 1-5; homework for the Investment Strategies seminar (updated) no responses 24/10/2018
Leveraged SPY pullback newbie help no responses 24/10/2018
Homework 1: Create a line plot of cumulative overnight returns of `QQQ` no responses 24/10/2018
Homework 1 no responses 24/10/2018
Remember we are in a forest no responses 24/10/2018
Anyone able to run zipline locally ? no responses 24/10/2018
Lecture 32 Fundamental Factors no responses 24/10/2018
Style: Volatility no responses 24/10/2018
Quantitative Equity Portfolio Management - Project Introduction no responses 24/10/2018
Quantitative Equity Portfolio Management - Exploratory Statistics no responses 24/10/2018
Quantitative Equity Portfolio Management - Data Acquisition and Cleaning no responses 24/10/2018
Macro Investing on Quantopian (fred_dgs10 not working) no responses 24/10/2018
Using changing slope of a moving average to trade futures 3 responses 23/10/2018
What am I missing? 2 responses 23/10/2018
'Time Period' is not in List 1 response 23/10/2018
Homework for Systematic Investment Strategies Seminar no responses 23/10/2018
Homework due 10-24-2018 (Intro Strategic Invesment Strategies) no responses 23/10/2018
How to understand what Python elements (?) are doing 1 response 23/10/2018
Live Webinar: Getting Started on Quantopian 2 responses 22/10/2018
Progress Bars in Notebooks? 3 responses 22/10/2018
Homework for the 2nd session of the seminar (Introduction to Systematic Investment Strategies) 1 response 22/10/2018
Grab data history for a computed field 2 responses 22/10/2018
Faulty data for JCI daily returns? 2 responses 22/10/2018
Help Using Total Market Cap for Sector in IDE no responses 21/10/2018
Getting the average returns of multiple stocks for each day in pipeline no responses 21/10/2018
Is it possible to generate an algorithm that trades its own common/specific returns? 2 responses 20/10/2018
Pipeline USEquityPricing.close is not split-adjusted and causes all kinds of problems. What to use instead? no responses 20/10/2018
Combining filters in pipeline 7 responses 20/10/2018
Altman's Z-Score Alphalens notebook no responses 20/10/2018
Piotroski F-Score Alphalens notebook 8 responses 20/10/2018
How to caculate the periods (bars count) to date from the most recent day on which MA(20)cross MA(60)? 2 responses 20/10/2018
AttributeError: type object Fundamentals has no attribute 'operation_ratios' 1 response 19/10/2018
Advice on EPS growth and Monthly returns idea 1 response 19/10/2018
Noise in sample correlations 2 responses 19/10/2018
Faster computing power no responses 19/10/2018
Help Getting Total Market Cap in Sector 3 responses 18/10/2018
Use Your Custom Data to Find Alpha no responses 18/10/2018
Quantitative Equity Portfolio Management - (Team: ML Brownies) no responses 18/10/2018
Choosing the right ML Classifer 3 responses 18/10/2018
help w/ Pipeline custom factor when calling global function 3 responses 18/10/2018
Memory size in research and algorithm no responses 18/10/2018
ziplane - run on a cloud with IB 4 responses 17/10/2018
SKLearn Warning no responses 17/10/2018
15 Contest Entrants Invited to License their Strategies to Quantopian no responses 17/10/2018
Factor classification metric considerations no responses 17/10/2018
Discord Quantopian Group no responses 17/10/2018
Algo works for 1 stock, and one set of parameters - how to use with multiple stocks/parameters 1 response 17/10/2018
Cryptocurrency Screener no responses 17/10/2018
Fun PARTY development - FactSet Fundamentals 11 responses 17/10/2018
Strange! The return is higher if I consider the slippage and commission ... no responses 17/10/2018
Trouble respecting QTRadableStocksUS in my algorithm 4 responses 17/10/2018
Tearsheet - Algo with New FactSet Fundamentals 9 responses 16/10/2018
Free Cash Flow to Enterprise Value with FactSet Data - Template Fundamental Algo 24 responses 16/10/2018
Debt to Total Assets with FactSet Data - Template Fundamental Algo 4 responses 16/10/2018
Capital Expenditure Volatility (CapEx Vol) with FactSet Data - Template Fundamental Algo no responses 16/10/2018
emotion no responses 16/10/2018
Live Webinar: "What to Do Before Machine Learning" with Dr. Ernie Chan no responses 16/10/2018
New Dataset: FactSet Fundamentals 43 responses 16/10/2018
emotion no responses 16/10/2018
Lecture 31: "Beta Hedging" - What values to expect of alpha? no responses 16/10/2018
Syntax Question - Qualitative Screen in Pipeline 6 responses 15/10/2018
Top 5 stocks, re-balancing monthly no responses 15/10/2018
2018-04-03 22:00 WARN Your order for -629 shares of SDD failed to fill by the end of day and was canceled. 5 responses 15/10/2018
"Office Hours" today at 3 pm! no responses 15/10/2018
SVXY history is not adjusted! no responses 15/10/2018
Own dataset import error 3 responses 14/10/2018
DATA1030 Research with Fundamentals and Backtesting with Quantopian no responses 13/10/2018
Extract value from moving average 1 response 13/10/2018
Historical CustomFactor Values 2 responses 13/10/2018
Update of the scikit-learn package no responses 13/10/2018
Close Open Positions X Days After Opening Them 2 responses 13/10/2018
Betas in the risk model return as inf or nan 1 response 12/10/2018
Debt to Total Assets - Template Fundamental Algo 3 responses 12/10/2018
Free Cash Flow to Enterprise Value - Template Fundamental Algo 9 responses 12/10/2018
I get quite often errors by starting the backtest. 3 responses 12/10/2018
Earning Announcement data in Zipline no responses 12/10/2018
ETF in QTradableStockUS no responses 12/10/2018
Quantopian's Fundamental Factor Library 1 response 12/10/2018
Does backtester Sharpe Ratio calculation include days when Algo has no positions? 2 responses 12/10/2018
How to select start and end date in IDE? 6 responses 12/10/2018
Live Webinar, "How to Get Funded" on October 10th at 4:00pm ET no responses 11/10/2018
How does quantopian know when to stop trading a strategy? no responses 11/10/2018
Question on the optimize api 1 response 11/10/2018
Pipeline: syntax question 2 responses 10/10/2018
Using Quantopian as a teaching tool in Algorithms and Machine Learning courses. 1 response 10/10/2018
Comparing Alphalens returns to actual backtestor results 2 responses 10/10/2018
Capital Expenditure Volatility (CapEx Vol) - Template Fundamental Algo 1 response 10/10/2018
Get up to Speed on our Daily Quant Contest no responses 10/10/2018
Women in FinTech: Spotlight on Ying Xu, Quantopian no responses 10/10/2018
PipeLine & Earning Announcement Issue 2 responses 10/10/2018
Problem in placing order with continuous future no responses 10/10/2018
I miss the old view of the backtesting ... 4 responses 10/10/2018
Custom Factor array confusion 2 responses 09/10/2018
"How to Get Funded" Live Webinar TOMORROW at 4:00pm ET no responses 09/10/2018
Setting custom behavior for an Algorithm 2 responses 09/10/2018
portfolio volatility formula 1 response 09/10/2018
Cash Flow statements - quarterly or annually data 2 responses 08/10/2018
Populating a DataFrame. Am doing manually, but there must be an easier way? 6 responses 08/10/2018
Forward PE always Nan no responses 08/10/2018
Can't Access Notebooks 1 response 08/10/2018
Get a symbol's "low" price for today using data.history 2 responses 08/10/2018
Plotting dates in Research environment 1 response 07/10/2018
Limits, my latest creation. 2 responses 07/10/2018
Portfolio optimization no responses 06/10/2018
Ehler's "Rocket RSI" indicator no responses 06/10/2018
Screen based on Change of Historical Fundamental/Morningstar Data 2 responses 05/10/2018
Can I alter the range (time) used to calculate Bollinger Bands? 1 response 05/10/2018
Tearsheet - Low Volatility But Suboptimal For Contest Due To 2% Volatility Floor 15 responses 05/10/2018
Investing in Quantopian no responses 05/10/2018
Q To Numerai, Possible In Near Future? 18 responses 04/10/2018
Plot buys, sells and shorts using record? no responses 04/10/2018
Alpha lens and Index out of bounds error no responses 04/10/2018
Attempt at creating a 'replica' of the QTradableStocksUS (QTSUS) universe 2 responses 04/10/2018
Women in FinTech: Spotlight on Jean Donnelly, FinTech Sandbox no responses 03/10/2018
What should i learn first? 5 responses 03/10/2018
Reproducing the stat.factors model from E.Chan's 'Machine Trading' on Quantopian - prices divergence?.. no responses 03/10/2018
The Capital Asset Pricing Model Revisited 52 responses 03/10/2018
Allocation for futures algorithms 2 responses 02/10/2018
Help Needed: I cannot get my fetch_csv to work. Stumped. 2 responses 02/10/2018
mathematics or statistics degree best for algortihmic trading no responses 02/10/2018
Simple algo vs portfoliovisualizer 2 responses 02/10/2018
Dividend history no responses 02/10/2018
difference between `order_percent` and `order_target_percent` 1 response 01/10/2018
Using as beta as a factor with alphalens 2 responses 01/10/2018
PCA explained variance problem 1 response 01/10/2018
PBR and Piotroski F Score no responses 01/10/2018
Python Library To Run Quantopian Algorithm In Live no responses 01/10/2018
Data Structures for Financial Machine Learning 7 responses 01/10/2018
Historical Volatility Term Structure And Its Forecasting Properties no responses 30/09/2018
Notebook rate limit 1 response 30/09/2018
context.portfolio.positions_value always = 0.0 no responses 30/09/2018
Record individual stock performance within portfolio no responses 30/09/2018
Pass a list of window sizes of rolling correlation to a dataframe in order to output a dataframe for each window size 1 response 30/09/2018
how to get pipeline to output a log returns matrix for Markowitz optimization? no responses 29/09/2018
Which Lecture should I learn? 6 responses 29/09/2018
Strange output from 'Record' function in full backtesting no responses 29/09/2018
Error Importing 'sklearn.model_selection import GridSearchCV' no responses 28/09/2018
Avoiding the "Value Trap" 1 response 28/09/2018
Long Quantiles 2 responses 28/09/2018
How to insert "Fundamental Analysis" data? 1 response 28/09/2018
use bitcoin google search query to trade gold 1 response 28/09/2018
Function to Calculate Max Drawdown for N-days no responses 28/09/2018
How to convert set_universe(universe.DollarVolumeUniverse(floor_percentile=10, ceiling_percentile=15)) to new pipeline ? no responses 28/09/2018
Automatically saving the results no responses 27/09/2018
How to Compute Factors Across a Large Universe of Stocks no responses 27/09/2018
Trading Strategy Testing 2 responses 27/09/2018
Error at adding factors!!! 4 responses 27/09/2018
For Patrick no responses 27/09/2018
Andy Brim MR 21 day no responses 26/09/2018
Women in FinTech: Spotlight on Dr. YY Huang, RapidMiner 1 response 26/09/2018
Log Graph Feature Request 10 responses 26/09/2018
How to input specific stocks? 1 response 26/09/2018
Algorithm sells some stocks every few days (but supposed to rebalance monthly) 9 responses 25/09/2018
statsmodels.tsa.MarkovAutoregression Raising Error? no responses 25/09/2018
SIG Week 1 no responses 25/09/2018
Aggregate Factors In Research 1 response 25/09/2018
Gap Up Strategy - What am I missing ? 1 response 25/09/2018
Top and bottom filter error!! 3 responses 25/09/2018
Problem with using MOM of TA-Lib 2 responses 25/09/2018
Resources for alpha ideas no responses 24/09/2018
How to set top and bottom constrains? 4 responses 24/09/2018
Two risky assets and efficient diversifcation question no responses 24/09/2018
Intraday Data For VIX3M and VIX6M no responses 23/09/2018
Arithmetic on pipeline factors 6 responses 23/09/2018
Trades not executed with basic SMA algorithm 3 responses 23/09/2018
Is it possible to set continuous_future as benchmark in backtesting ? no responses 23/09/2018
Backtesting error in Lecture 46: Example: Pairs Trading Algorithm no responses 22/09/2018
Custom factor 5 responses 22/09/2018
Cannot load backtest in notebook 4 responses 21/09/2018
No VIX Index data avaliable after Feb 26 2016? 2 responses 20/09/2018
New Class Based Optimised Algo no responses 20/09/2018
Risk Management and Portfolio Construction 4 responses 20/09/2018
SVXY SPLIT BUG 4 responses 20/09/2018
Calculation in pipeline using custom data source (10y US treasury yield from quandl) no responses 20/09/2018
Every day users taking advantage of Quantopian's existing algorithms. no responses 19/09/2018
Long-only non-day trading algorithm for live 87 responses 19/09/2018
Women in FinTech: Spotlight on Christina Qi, Domeyard no responses 19/09/2018
Meta-Labeling: Advances in Financial Machine Learning, Ch 3, pg 50. 2 responses 19/09/2018
Machine learning in Quantopian 2 responses 19/09/2018
Remove nan and inf values in screen 1 response 18/09/2018
Remove nan and inf values in screen 1 response 18/09/2018
Issue with creating a iterable list of Stocks 1 response 18/09/2018
Will SVXY & UVXY Splits Be Adjusted In Live Trading Algorithms? 4 responses 18/09/2018
Python books 4 responses 18/09/2018
Computing the difference between consequent values of a fundamental indicator? 4 responses 18/09/2018
Does this make any sense? 2 responses 17/09/2018
Stock Investing And Trading Are Not The Same Game 15 responses 17/09/2018
Research Memory problem no responses 17/09/2018
Zipline Question 9 responses 17/09/2018
RollingLinearRegressionOfReturns - exclude recent month 1 response 16/09/2018
Excluding Financial Firms, Utilities and Real Estate no responses 16/09/2018
#zipline how to set up TradingCalendar to handle lunch break from 11:31 to 13:30 for minute data? no responses 16/09/2018
How to set a list of securities as the list of most liquid stocks? 2 responses 16/09/2018
Test on A random Walk Down Wall Street Portfolio no responses 15/09/2018
Are Brent futures available? no responses 14/09/2018
Zero "0" share trades impacting backtest results???? 1 response 14/09/2018
Quantopian Is Holding Free Events in Pune, India no responses 14/09/2018
Machine Learning on Quantopian Part 3: Building an Algorithm 212 responses 14/09/2018
How to get prior morningstar value? (Custom Factor) 6 responses 14/09/2018
Help on using K-modes clustering no responses 13/09/2018
zipline running custom algorithm with custom data no responses 13/09/2018
Momentum Strategy no responses 13/09/2018
TensorFlow Model Serving 8 responses 13/09/2018
VIX futures missing data after Feb-18 no responses 13/09/2018
alpha factor combination in Pipeline - how to fancify it? 28 responses 12/09/2018
Women in FinTech: Spotlight on Dr. Jessica Stauth, Quantopian no responses 12/09/2018
Sentiment as a Factor 2 responses 12/09/2018
Bug in the get_open_orders() function 2 responses 12/09/2018
Replication on Morningstar Financial Health Grade 3 responses 12/09/2018
Quantopian def make_pipeline(context) and pipe = pipeline() vs def make_pipeline() and return Pipeline() vs pipe = make_pipeline(context) vs pipe = Pipeline() 1 response 12/09/2018
ETF 100/500 MA Crossover 1 response 12/09/2018
Changing the FinTech Culture One Woman at a Time 1 response 11/09/2018
stress testing no responses 11/09/2018
Downloading historical fundamental data in IDE backtester 12 responses 11/09/2018
Jupyter Cells 1 response 10/09/2018
Input companies to be filtered by fundamental algorithm 2 responses 10/09/2018
Learn How to Build a Model in Python to Analyze Sentiment from Twitter Data no responses 10/09/2018
Historic 5 year average EPS 1 response 10/09/2018
relevant fundamental factors? 10 responses 09/09/2018
Help with Backtest Code -- Code Breaking ... any advice would be appreciated 2 responses 09/09/2018
Test no responses 09/09/2018
How to define the criteria i have to use in order to code my scanner successfully. no responses 08/09/2018
AlgorithmResult larger than Research memory 3 responses 08/09/2018
Research UI Improvements 7 responses 07/09/2018
Simple Relative Strength Strategy is not trading - Help needed please 2 responses 07/09/2018
Using Alphalens for Factor Analysis 2 responses 07/09/2018
get_prices module 2 responses 07/09/2018
Udacity Price Covariance no responses 07/09/2018
Multiple Strategies -- High Sharpe? 6 responses 06/09/2018
Security Violation(s): Insecure attribute access "alphalens.tears.create_factor_tear_sheet" 6 responses 06/09/2018
Meb Faber bug 2 responses 06/09/2018
get fundamentals to morningstar no responses 05/09/2018
Calculating Macro Factors 3 responses 05/09/2018
Recursive Function calls for Price data series (... python help please) 10 responses 05/09/2018
Your "API Reference" page can not be shown correctly. no responses 05/09/2018
hi,sir, how can I change customer factor output to remove those nan 1 response 05/09/2018
Factor Combination Theory, Tools, and Examples 2 responses 05/09/2018
Using a different fill price than bar close no responses 05/09/2018
Naive Bayes Gaussian - Babies, Teens and Adults no responses 04/09/2018
“Buying Happiness” Webinar on 9.6.18 with DataCamp no responses 04/09/2018
My research notebook is lost 1 response 04/09/2018
Major variance between I.S. and O.O.S. results from model that uses supervised machine learning 4 responses 04/09/2018
Referencing futures data without changing calendars no responses 04/09/2018
rolling geometric mean - I think I have an approach 4 responses 04/09/2018
Naive Bayes Gaussian - Children and Adults no responses 03/09/2018
Pipeline factor / filter for 20 day low 1 response 03/09/2018
Is Paper Trading still available? 1 response 03/09/2018
Why does my leverage go above 1 here? 2 responses 03/09/2018
Basic help - What does quantopian.algorithm do? 1 response 03/09/2018
How to order optimal portfolio 1 response 02/09/2018
Better than 50% positive, scalp strategies. no responses 02/09/2018
How to Index A dataframe to Daily Time Frame 1 response 02/09/2018
first algorithm optimisation no responses 02/09/2018
Machine learning algorithm no responses 02/09/2018
Need help improving my algorithm 1 response 02/09/2018
minute data time window issue 2 responses 02/09/2018
Why is there a day 1 difference between this algorithm and the benchmark? 3 responses 02/09/2018
sentdex: Backtest Exception: NoDataAvailable 2 responses 01/09/2018
Curious to know the formula Q uses to evaluate contest algorithms and the weight given to each metric??? 7 responses 01/09/2018
Feature Request: Object-Oriented Multi-Strategy Portfolio Trading API 1 response 01/09/2018
Positive cumulative returns while all sectors are negative except one 2 responses 31/08/2018
Don't Miss Quantopian's Upcoming Events in India, Sept. 2 - 16 no responses 31/08/2018
Quandl FRED 10y Treasury CM Rate missing data no responses 31/08/2018
ValueError: setting an array element with a sequence. 2 responses 31/08/2018
Capital Asset Pricing Model and Fama-French three-factor model no responses 30/08/2018
Comparing SMA vs EMA 2 responses 30/08/2018
CAPM_SPY no responses 30/08/2018
CAMP no responses 30/08/2018
AspenTech (AZPN) being delisted no responses 29/08/2018
Suspected critical bug with Futures data 5 responses 29/08/2018
TimeoutException Fix 1 response 29/08/2018
Getting price data for different days into pipeline 4 responses 29/08/2018
Is there any way to get run_pipeline in the algorithm environment? and/or a way to grab factor data n days ago? no responses 29/08/2018
Fundamental algorithm error 2 responses 28/08/2018
data source for AverageDollarVolume? 3 responses 28/08/2018
About set Gap-on-Open strategy question no responses 28/08/2018
Getting a random subset of a pipeline output in Research? 2 responses 27/08/2018
Finding Alpha in Political Contributions: Short Video no responses 27/08/2018
Simulating High Leverage Execution of Q low volatility market neutral strategy 5 responses 27/08/2018
A few questions on Alpha lens - newbie no responses 27/08/2018
Generally required level of complexity 4 responses 27/08/2018
Live Tearsheets Review Webinar - LeoM Tearsheets 20 responses 26/08/2018
How to Construct a Filter from morningstar_industry_group_code? 4 responses 26/08/2018
Short Only Algo 5 responses 26/08/2018
How can I convert string data to numerical data within a CustomFactor? 2 responses 24/08/2018
Common Factor Risk Snapshot 40 responses 24/08/2018
How to conditionally recode variables in Pipeline() ? no responses 24/08/2018
Lessons From Tearsheet Analysis Webinar 25 responses 24/08/2018
Forecasting Time Series Part I & II: Try this new approach! 18 responses 24/08/2018
Running into weird Errors with an Algo, Undeclared variables 2 responses 24/08/2018
TSX and TSX-V no responses 23/08/2018
get_fundamentals 1 response 23/08/2018
Backtest in contest 9 responses 23/08/2018
Problem with 10+ years backtests / notebook? 4 responses 23/08/2018
Introduction to "Advances in Financial Machine Learning" by Lopez de Prado 55 responses 23/08/2018
How can i get the source code of Donchian Channel! 2 responses 23/08/2018
EV to EBITDA Algo; Won't work before Jan 2005 2 responses 23/08/2018
Short Term Breakout Idea (Looking for someone interested in writing and trying this out) no responses 22/08/2018
GARP PARTY - New Strategy Development Thread 56 responses 21/08/2018
Noob needs help with backtesting 4 responses 21/08/2018
Computing YTD equity % returns in Quantopian Notebook 2 responses 20/08/2018
Import function from notebook no responses 20/08/2018
Even numbers no responses 19/08/2018
Function calling in Research Notebooks 2 responses 19/08/2018
Question: What are the commands to get live pricing data? 1 response 19/08/2018
Buy and selling a list 4 responses 19/08/2018
Tear Sheet Feeback of contest entry 13 responses 19/08/2018
Guessing the Week's Largest Market Cap Gainer 1 response 18/08/2018
sample buy low sell high strategy no responses 18/08/2018
sample trading strategy no responses 18/08/2018
Simple buy low sell high algorithm 2 responses 18/08/2018
What is the "turnover" 4 responses 18/08/2018
Some advise on strategies 9 responses 18/08/2018
legality and risk of Q sourcing global labor? no responses 18/08/2018
Problem accessing older PsychSignal Data 1 response 17/08/2018
Newbie Trying to Lag Returns by one Month in Pipeline 2 responses 17/08/2018
Scraping 10-Ks and 10-Qs for Alpha 19 responses 17/08/2018
How to pass inputs into a custom factor together with the corresponding datetime index? 1 response 17/08/2018
Using Pyfolio 1 response 17/08/2018
Research Notebooks Merging/Moving no responses 16/08/2018
How to compute autocorrelation? 4 responses 16/08/2018
How to Be a Successful Quant 12 responses 16/08/2018
Seeking help: "run_pipeline" vs "Pipeline", "Returns" vs "stocktwists" no responses 16/08/2018
Filter universe for stocks having intraday returns above e.g. 10 % at one point in time b/w open and 12 AM no responses 16/08/2018
Please help! Strange boolean results from factors in research! 2 responses 16/08/2018
Contest Questions 2 responses 15/08/2018
How can i get this DataFrame? 2 responses 15/08/2018
Saving sklearn Classifiers? 2 responses 15/08/2018
Checking Correlation and Risk Exposure of Alpha Factors 13 responses 15/08/2018
New feature: LaTeX support in Quantopian forums 1 response 15/08/2018
data.current help no responses 15/08/2018
I come here to find / to build a holy cup of trading no responses 15/08/2018
How to get 10 year US Treasury Yield data? 1 response 15/08/2018
Potential bug in the Fundamentals and Morningstar APIs, receiving NAN. 11 responses 14/08/2018
Analyzing Alpha in 10-Ks and 10-Qs 5 responses 14/08/2018
Fundamentals.total_liabilities.latest always NaN before 2010 3 responses 14/08/2018
ARIMA and ADF (augmented dickey fuller) no responses 14/08/2018
Latex in the forum 8 responses 13/08/2018
Python modules no responses 13/08/2018
Help with S&P "momentum" strategy! 7 responses 13/08/2018
Beginner questions pipeline. 5 responses 13/08/2018
Neural Network with many factors 3 responses 13/08/2018
notebook error? 2 responses 12/08/2018
Custom Factor Help - passing inputs 4 responses 12/08/2018
Q reset? 10 responses 11/08/2018
Using a different language 1 response 11/08/2018
Portfolio Structure and Overfitting 29 responses 10/08/2018
Factor Risk Exposure Lecture Question no responses 10/08/2018
Beginner troubles with fundamentals. 7 responses 10/08/2018
Quantopian Events in India this September no responses 10/08/2018
errors on MACD histogram custom factor 2 responses 10/08/2018
AlphaLens MaxLossExceededError? 5 responses 10/08/2018
Experiment with 200 Day SMA 1 response 10/08/2018
Machine Learning on Quantopian Part 2: ML as a Factor 46 responses 10/08/2018
data.history help - SPY Price after 1 hour 6 responses 10/08/2018
Premium Datasets in Contest 1 response 09/08/2018
How to screen the universe using Sectors 1 response 09/08/2018
The Gaming of Stock Trading Strategies 15 responses 09/08/2018
Issue with passing variables into sid from Pipeline 1 response 09/08/2018
PEAD Strategy 2 responses 08/08/2018
RubberBand algo no responses 08/08/2018
Screen based on bollinger bands no responses 08/08/2018
Fundamental data error 2 responses 08/08/2018
Seeking Help to Finish the Algorithm no responses 08/08/2018
Gap Up/Down Strategy 1 response 07/08/2018
Returns used to calculate Beta should be excess returns or not? no responses 07/08/2018
Iterate through Values in make_pipeline() 2 responses 07/08/2018
Picking factors for an algorithm using the fundamental factor models lecture. 1 response 07/08/2018
Idiosyncratic strategies ~ Michael Harris no responses 07/08/2018
Fooled by Technical Analysis ~ Michael Harris no responses 07/08/2018
retrieve alpha from a backtest conveniently no responses 07/08/2018
The Wazoo Thing no responses 06/08/2018
Is it possible to retrieve live signals with API? 1 response 06/08/2018
QTU Not Working For Me 4 responses 06/08/2018
Primary Asset format in Self-Serve Data 3 responses 06/08/2018
Parameter Optimization: Is it possible? 11 responses 06/08/2018
Quantopian funds over $50 million to a single strategy, $155 million overall 13 responses 06/08/2018
Regime change: A discussion and information sharing 3 responses 05/08/2018
Hypothetical question about live testing no responses 05/08/2018
Consultancy Services no responses 04/08/2018
Price returns and their opportunities no responses 04/08/2018
Custom Optimization Target Weights no responses 04/08/2018
Behavioral Arbitrage Webinar Notebook + Backtest 8 responses 04/08/2018
AnnualizedVolatility from pipeline 1 response 03/08/2018
Quantopian Notebooks Down 1 response 03/08/2018
Seeking Help Complete First Algorithm 9 responses 03/08/2018
Will basic modules like numpy, pandas and sklearn be updated to the latest version? 1 response 03/08/2018
annotate scatterplot in Research notebook no responses 02/08/2018
Resampling giving different results every time you run it no responses 02/08/2018
Optimize API - Maintain Existing Shares When Placing A New Trade 2 responses 02/08/2018
Elon Musk Twitter Sentiment Strategy - As Mentioned in the Wall Street Journal no responses 02/08/2018
how do i create a stock screener based on only technical indicators using only bollinger bands (20), moving averages (8, 14) and simple moving averages (50, 100, 200) in the NASDAQ100 no responses 02/08/2018
2000% returns in a day 1 response 02/08/2018
Weird Pipeline bug? no responses 02/08/2018
Timing of Order Placement and Data Handling no responses 01/08/2018
Alphalens Questions Thread 127 responses 01/08/2018
Finding Alpha in Political Contributions: Alphalens Study no responses 01/08/2018
figured out no responses 01/08/2018
Forex Algorithm 6 responses 01/08/2018
buy one share to replicate the price no responses 01/08/2018
update to requirements to get funded - strategic intent? 17 responses 31/07/2018
What gives an Algorithm visibility to Quantopian? 2 responses 31/07/2018
Monthly contest 38 is over. Help Q pick a special participant prize. Share your memories from the monthly contests. 4 responses 31/07/2018
Morningstar Fundamentals 'cash_return' 7 responses 31/07/2018
disable benchmark tracking for zipline no responses 31/07/2018
fetch_csv doesn't work for by-minute signals ? no responses 31/07/2018
Help - Negative Cumulative Returns in Alphalens, not sure why 4 responses 31/07/2018
Saving daily price in a numpy array no responses 30/07/2018
using zipline for own csv data 1 response 30/07/2018
Question on consecutive bars 3 responses 30/07/2018
VIX total backtest no responses 30/07/2018
Sensitivity analysis no responses 30/07/2018
Fundamentals up the wazoo 10 responses 30/07/2018
Minute data not working zipline 2 responses 30/07/2018
Feedback wanted, risk controlled, proven factors OOS, low volatility and drawdown 9 responses 30/07/2018
MACD EXPONENTIAL - made from scratch no responses 30/07/2018
MACD exponential or weighted? 4 responses 30/07/2018
Custom Factor syntax error 1 response 29/07/2018
The Math of the Stock Trading Game is Quite Simple 1 response 29/07/2018
fundamental discount cash flow valuation 2 responses 29/07/2018
Help implementing DEMA (double-exponentially weighted moving average) no responses 29/07/2018
How to Convert company name to symbol or sid in Research no responses 29/07/2018
Change in Fundamental Data in Research 4 responses 28/07/2018
Filter threshold securities? no responses 27/07/2018
Sorting Error 2 responses 27/07/2018
pairs trading theory: which stock in a pairs trade do we "add_constant" to? 7 responses 27/07/2018
New to Quantopian. Where to start? 6 responses 26/07/2018
Help writing my first backtesting algorithm? no responses 26/07/2018
How do I access previous values for USEquityPricing within my make_pipeline calculations? 2 responses 26/07/2018
TypeError: Empty 'DataFrame' in plotting no responses 26/07/2018
Error in 'Getting Started' tutorial 2 responses 26/07/2018
Low Correlation to Peers - Allocation Requirement 2 responses 26/07/2018
VWAP 4 responses 26/07/2018
Looping through a custom factor and adding each output to a pandas dataframe? no responses 25/07/2018
Does Custom Factor always have to return an array of length N 2 responses 25/07/2018
Quantopian is Coming to India in September 2018 5 responses 25/07/2018
Daily Contest - Delayed Results 6 responses 25/07/2018
Generate a report at the end of backtest no responses 24/07/2018
Bug - VIX Futures data ends on Feb 14, 2018 1 response 24/07/2018
Lazy Trader ETF Rotation no responses 24/07/2018
Please Help...Interest rate environment algo 2 responses 24/07/2018
StaticAssets Error 5 responses 23/07/2018
Can't import zipline.TradingAlgorithm() or zipline.run_algorithm() in Notebook 4 responses 23/07/2018
Question: What is the difference between specific returns and total returns when you run a full backtest? 3 responses 23/07/2018
Automatic code generation for Quantopian 24 responses 23/07/2018
Combining intra-day futures strategies with negative correlation produces portfolio Sharpe of 3. 2 responses 23/07/2018
MaximizeAlpha under the hood, and TargetWeights 4 responses 22/07/2018
Problem with Interactive brokers buy order no responses 22/07/2018
trading us future products during european and asian hours 1 response 22/07/2018
Why the gap in cell output data? 7 responses 21/07/2018
Starting Algo at specific month no responses 21/07/2018
PsychSignals messages by day of the week 2 responses 20/07/2018
Live Tear Sheet Review on Thursday, July 26th at 3:00PM EDT no responses 20/07/2018
M&A data from Eventvestor is poorly structured - why and is there a workaround no responses 20/07/2018
Long-Short Equity Models in Two Minutes no responses 20/07/2018
Contest results not updated since 7/16? 1 response 20/07/2018
How to save indicator data for all stocks in QTradableStocksUS 2 responses 20/07/2018
Wallclock limits for handle_data 1 response 20/07/2018
Robin Hood VIX Sliding Pendulum 12 responses 19/07/2018
My calculation for Hull Moving Average is wrong 4 responses 19/07/2018
Sector Exposure and Style Exposure Requirements 2 responses 19/07/2018
Having problem with Algo 4 responses 18/07/2018
Calculating weighted market cap of a stock 1 response 18/07/2018
Long only strategy in bearish market 6 responses 18/07/2018
Why is the leverage so low? 2 responses 18/07/2018
v11.1 no responses 18/07/2018
v11- pairs trading of energy stocks, please help 1 response 18/07/2018
[For Quantopians] Fixing Lecturers Order 2 responses 18/07/2018
SP500 filter from 2000 to 2018 no responses 17/07/2018
What is gross_profit_annual5_yr_growth in the Fundamentals? no responses 16/07/2018
Filter stock selection based on sector code 2 responses 16/07/2018
Live Webinar: Introduction to Qgrid 3 responses 16/07/2018
Piotroski F-Score Long/Short Portfolio no responses 16/07/2018
up 100 days algorithm no responses 15/07/2018
Quantopian Copy and Paste Bug 6 responses 15/07/2018
My first trading 20 mavg trading algorithm 2 responses 15/07/2018
Stop Loss Error 2 responses 15/07/2018
Is there anyway to identify if the volume is higher on buy or sell side no responses 15/07/2018
Sector exposure help 6 responses 15/07/2018
Relationship between schedule function and handle_data 5 responses 15/07/2018
Python/pandas/math help, please -- Taper values of time series to reduce edge noise? 11 responses 14/07/2018
Backtest research - How to select one stock from my portfolio ? no responses 14/07/2018
Integrating custom factors in pipeline no responses 13/07/2018
How To Retrieve the Current Return on Day 1 response 12/07/2018
Backtest of one strategy on multiple Stocks - not as portfolio no responses 12/07/2018
Linking my external GARP strategy to Quantopian 4 responses 12/07/2018
Bundle candles timestamp 7 responses 12/07/2018
Money Flow Index for Pipeline 5 responses 12/07/2018
How to take indicator (such as SMA, RSI, EMA etc.) and feed into them stocks from context.portfolio.positions ? 1 response 12/07/2018
Neebie question! no responses 12/07/2018
Alphalens Error: Dropped 92.2% entries from factor data 1 response 12/07/2018
Calculate Volatility of Portfolio Returns 4 responses 11/07/2018
I weird error started showing up few hours ago. 3 responses 11/07/2018
Cool New Paper from MIT on Sentiment Data from using Quantopian for Analysis 2 responses 11/07/2018
before_trading_start timeout fix 19 responses 11/07/2018
Raising capital on different platforms. Ideas? 3 responses 11/07/2018
How to use moving average in my_rebalance for exit position ? 4 responses 11/07/2018
How to Get Related Cryptos or Stocks to any Link/URL, News Story, Headline, Hashtag, Tweet or Text of Any Kind no responses 10/07/2018
Earnings Statistics MSM no responses 10/07/2018
Obtaining VIX futures data no responses 10/07/2018
make the paper trading be real time, even for premium 4 responses 10/07/2018
A modified momentum measure (different to percent change) 4 responses 10/07/2018
causes for this result 2 responses 10/07/2018
Why is VX futures data not updated beyond Feb 2018? no responses 09/07/2018
Top 8 UNDERVALUED Masternodes For Q3 2018! no responses 09/07/2018
Figure out sector 2 responses 09/07/2018
Upload Your Custom Datasets and Signals with Self-Serve Data 17 responses 09/07/2018
Pls Help With Coding Algo! no responses 09/07/2018
Seeking papers related to the stock market (S&P 500 or MSCI ACWI) analysis no responses 09/07/2018
Where can I find Quantopian coders who can code a strategy as per my pseudo code for backtesting ? no responses 09/07/2018
Piotroski's F-Score Algorithm 35 responses 09/07/2018
Optimization weights logging 1 response 08/07/2018
Analyzing a Signal and Creating a Contest Algorithm with Self-Serve Data 2 responses 08/07/2018
Analyzing Alphalens Results 16 responses 08/07/2018
how to apply SimpleMovingAverage on Fundamental data 4 responses 08/07/2018
Quantopian Platform as Algo or Quant trading 2 responses 07/07/2018
Getting list of symbols of current portfolio holdings 1 response 07/07/2018
Exploring Seasonality Trends in Stock Market no responses 06/07/2018
Simple Moving Average crossover ETF strategy QQQ & TLT no responses 06/07/2018
q no responses 06/07/2018
Question about data.history 8 responses 06/07/2018
Generating intraday 15m candle EMA no responses 05/07/2018
Automatically Generated Smart Baskets of Cryptocurrencies Providing Great Advantages no responses 05/07/2018
Attempt to Recreate Piotroski Score and Trouble with Backtesting Time no responses 05/07/2018
Waiting for logs... for all my code no responses 04/07/2018
Futures data inconsistency on Research 4 responses 04/07/2018
macd/rsi strategy + filter (cash flow / book value) no responses 04/07/2018
Alphalens Error: 'Panel' object has no attribute 'index' 1 response 03/07/2018
macd + rsi +filter no responses 03/07/2018
Error in getting Fundamentals data 2 responses 03/07/2018
Yet another NonWindowSafeInput Error 3 responses 03/07/2018
how to get previous accouting data 1 response 03/07/2018
How to generate different context variables based on a list of SIDs ? 4 responses 03/07/2018
Calculating Non-Normal Diffusion? 1 response 03/07/2018
Not able to get 52 week high of SPY 2 responses 03/07/2018
Help with building a pie chart that shows aggregate sum of market caps across sectors in notebook 1 response 02/07/2018
Tearsheet Feedback Thread 156 responses 02/07/2018
securities in an ETF no responses 02/07/2018
How to Calculate Minimum value of Dollar Volume and Volume no responses 02/07/2018
Will Quantopian hire Chief Investment Officer? no responses 02/07/2018
Rolling correlation no responses 02/07/2018
how to use thr algo in trading no responses 01/07/2018
anilb: Backtest start time in Quantopian is not from fetched CSV file no responses 01/07/2018
PipeLine and getPricing price shift ? 7 responses 01/07/2018
Understanding Contest Results 3 responses 30/06/2018
multi-factor example algo 8 responses 30/06/2018
Chart-based market timing... not those charts though. no responses 30/06/2018
How to Calculate WACC and CAPM in New Pipeline? 2 responses 29/06/2018
Missing price data during last 10 days? 4 responses 29/06/2018
Trade Watchlist using Python no responses 29/06/2018
Graph multiple stocks and fundamental data in Research 2 responses 29/06/2018
Question about Quantopian Lecture45 Sample: Basic Pairs Trading no responses 29/06/2018
All Weather 1 response 29/06/2018
VIX Intraday Data 1 response 29/06/2018
Tokyo Quantopian User Group Vol4 Handson Algorithm 9 responses 29/06/2018
Returns on the same day past year no responses 29/06/2018
equity indexes 1 response 29/06/2018
Forecasting World Cup Game Outcomes no responses 28/06/2018
Trading no responses 28/06/2018
Self serve data - not able to filter by date 1 response 28/06/2018
Randomization Test of Paired Difference in Sample Means Simulation no responses 28/06/2018
Trying to build a modified regression 7 responses 27/06/2018
Updates to the New Backtest Page 1 response 27/06/2018
Met all Q Contest Requirements with Accern's Weekly Aggregated Strategy built on DS2 Dataset 3 responses 27/06/2018
Access source code 1 response 27/06/2018
Sentiment Data: Comparing Accern and Psychsignal 12 responses 27/06/2018
Self-serve data query 11 responses 27/06/2018
Question re fetch csv for rows that span more than one year 4 responses 27/06/2018
InputRejected: Importing TradingAlgorithm from zipline raised an ImportError. No modules or attributes with a similar name were found. 3 responses 27/06/2018
V2 - Energy pairs no responses 27/06/2018
Creating an algorithm for earnings statistics no responses 27/06/2018
I m getting problem with fundamental analysis? 1 response 27/06/2018
Help with Graphing fundamental data in Notebook 2 responses 26/06/2018
macd and rsi strategy 1 response 26/06/2018
Error when with reset command to clear variables 2 responses 26/06/2018
Live Custom Data -- What to expect? 3 responses 25/06/2018
sorting based on morningstar fundamentals 3 responses 25/06/2018
Does your algorithm perform better in a low or high volatility regime? See how to measure its sensitivity 5 responses 25/06/2018
AT Notes no responses 25/06/2018
Portfolio Positions returning 0 1 response 25/06/2018
PE ratio and PB ratio for ETF no responses 25/06/2018
Calcuating a trailing stop within Pipeline to use as a trading signal no responses 24/06/2018
Help -- Accessing Self Serve Data 6 responses 23/06/2018
Tab and ? not working no responses 23/06/2018
Help needed with momentum rotation strategy 3 responses 23/06/2018
Erroneous price history? 1 response 23/06/2018
Cryptocurrencies leveraging Natural Language Processing for profit no responses 23/06/2018
Industry PE Ratio 2 responses 22/06/2018
Problem with futures symbols no responses 22/06/2018
How do you calculate CAPM on Quantopian using the New Pipeline 1 response 21/06/2018
How to get daily volumes 6 responses 21/06/2018
How is the back Return calculated? 2 responses 21/06/2018
Lazy Prices with Dr. Lauren Cohen, professor at HBS no responses 21/06/2018
Live Webinar: Convex Optimization for Finance with Scott Sanderson 1 response 21/06/2018
How to find previous 2 previous swing low and high in 1 minutes time frequency no responses 21/06/2018
Common factors on Quantopian are including one day of lookback no responses 21/06/2018
Quantopian Partner Data - How is it Collected, Processed, and Surfaced? 2 responses 21/06/2018
Qgrid Now Available in Research: An Interactive Grid for Sorting and Filtering DataFrames 4 responses 21/06/2018
anilb: How to get number of minutes in a trading day 3 responses 21/06/2018
anilb: How can I plot moving average over 1 week, 1 month, etc. for multiple stocks? 3 responses 21/06/2018
anilb: Quantopian IDE backtest is very slow for my simple code 4 responses 21/06/2018
small cap stock screener 4 responses 21/06/2018
New back test layout is bad and missing functionality 8 responses 21/06/2018
Pricing data circa 2002 - is it complete? no responses 21/06/2018
Finding Alpha in Political Contributions: Data Processing 10 responses 20/06/2018
Algo to return probability of trade success no responses 20/06/2018
Alpha Testers Wanted - Upload Your Own Data to Pipeline 14 responses 20/06/2018
No of shares held in position and Pnl 3 responses 20/06/2018
Fundamental Data Error - ev_to_ebitda factor is not equal to ev factor divided by ebitda factor 2 responses 20/06/2018
diff/rsi 1 response 19/06/2018
Multiple Linear Regression Lecture Video no responses 19/06/2018
The contest is really hard ... 31 responses 19/06/2018
history function question no responses 19/06/2018
Is there a working example of a long-term investing screener based on fundamentals? no responses 19/06/2018
Backtest with Accern's ML-Driven DS2 Dataset to Generate Daily Strategy with Sharpe Ratio of 3 with Trading Costs 62 responses 19/06/2018
Average Volume at Time of Day - Pine Script no responses 19/06/2018
2018 FINCAD Women in Finance Scholarship | Applications due June 30 no responses 18/06/2018
Schedule function help 2 responses 18/06/2018
What is Quantopian? 5 responses 18/06/2018
Has anyone implemented Connors RSI as a pipeline custom factor? 1 response 18/06/2018
zipline.TradingAlgorithm Removed From Research and Backtesting 12 responses 18/06/2018
Earnings Stability no responses 18/06/2018
Urgent help Needed 1 response 18/06/2018
List of long-Term Support & Resistance in forex or stocks calculator algorithm 1 response 18/06/2018
Macro economic model from the FED. Any suggestions on how to use or extend it? 2 responses 18/06/2018
Getting error when initializing a set of Stocks with Bull and Bear variables no responses 17/06/2018
How to convert buy probability to optimal alph 1 response 17/06/2018
.. no responses 16/06/2018
local variable 'data' referenced before assignment no responses 16/06/2018
2 goals: limit failed order fill and controlling leverage 2 responses 16/06/2018
Gap screen should be returning no results, but it does 2 responses 16/06/2018
Get multiple fields in Prices function in research notebooks 4 responses 15/06/2018
function: get history of Futures by specific year and month. no responses 15/06/2018
how to get past 20 days historical 5 minutes data starting from yesterday 4 responses 15/06/2018
Diversify your Portfolio with Pairs Trading Strategy no responses 15/06/2018
QuantCon NYC Replay Tickets (speakers list) 3 responses 15/06/2018
Changes to Terms of Use and Privacy Policy - June 2018 no responses 15/06/2018
na no responses 15/06/2018
Can we get the old backtest back? 4 responses 15/06/2018
How to get a certain stock's fundamental data? 2 responses 15/06/2018
risk factor algo 5 responses 14/06/2018
Help appreciated - Stochastic Oscillator in Pipeline no responses 14/06/2018
RSI and MCDA from Talib differ with the calculated on tradingview. no responses 14/06/2018
Contract Awards 1 response 13/06/2018
TimeoutException - Contest Entries Failing 3 responses 13/06/2018
adjusted_geography_segment_data field in Fundametals dataset no responses 13/06/2018
An Interesting Question 2 responses 13/06/2018
Python Help 3 responses 13/06/2018
Calculation for adjusted cost base per unit of a position? 5 responses 13/06/2018
Feedback on Divergence function 1 response 13/06/2018
How to filter Universe Stocks using BollingBands on 5 minutes candles no responses 12/06/2018
current Alphalens tutorial/lesson/video? 3 responses 12/06/2018
Why am I not seeing benchmark any more? 1 response 12/06/2018
Tony Cooper's "Easy Vola Investing" - Stratergy 2: Momentum 2 responses 12/06/2018
Comparing past data no responses 12/06/2018
Issues with SPY data in Zipline no responses 11/06/2018
Questions regarding runtime error and history data 1 response 11/06/2018
About Quantopian assets symbols 1 response 10/06/2018
Limit buy order not filled even though limit price between high and low 3 responses 10/06/2018
EEM Trend Following - v.00 no responses 09/06/2018
Broken thing in backtesting? no responses 09/06/2018
Wavelet package 2 responses 09/06/2018
Keyerror 'SAR', can't figure it out, please hlep, thanks! 3 responses 09/06/2018
Pending Review? 4 responses 09/06/2018
Introduction to Algorithmic Trading Workshop @ London, Waterloo 1 response 09/06/2018
Optimize API Frozen constraint? 1 response 09/06/2018
Backtest view 2 responses 09/06/2018
Researching intraday factors with Alphalens: overnight price gap example 4 responses 09/06/2018
Built Robo Advisor 56 responses 08/06/2018
FOREX ? 4 responses 08/06/2018
How to Get an Allocation: Writing an Algorithm for the Quantopian Investment Management Team 50 responses 08/06/2018
Intraday algorithm US equities 4.5 Sharpe 62 responses 08/06/2018
Fetch CSV - is there a way to compare the date to the backtest date so that only those rows are included for that date? 1 response 08/06/2018
The Power and Perils of Financial Machine Learning 63 responses 07/06/2018
5 no responses 07/06/2018
Trouble creating scanner with 2 time requirements no responses 07/06/2018
New Iterative Model Design Video 1 response 07/06/2018
Cloned no responses 07/06/2018
"ValueError: 'Time Period' is not in list" in Notebook. Why? 1 response 07/06/2018
Discrepancy between transaction unit price in back test and and output of data.current(stock, price)? 1 response 07/06/2018
Daily & Weekly rebalancing of separate alpha factors using Optimize API 48 responses 07/06/2018
How does Quantopian calculate portfolio turnover rate? 1 response 07/06/2018
Backtests are struck 2 responses 07/06/2018
Fundamentals min max values 1 response 06/06/2018
Beginner Next Steps 3 responses 06/06/2018
Creating a screener for parabolic stocks no responses 06/06/2018
Algo Feedback Request: Monthly Contest Winner 12 responses 06/06/2018
Parabolic scanner and determining the average fundamentals of those parabolic stocks no responses 06/06/2018
How can calculate hurst exponent in python?(lags parameter issue) no responses 06/06/2018
pyfolio bayesian tearsheet - how to increase the number of tuning steps 6 responses 06/06/2018
how to get daily high and minute the high occurred in? 6 responses 06/06/2018
contest histogram 12 responses 05/06/2018
Leverage dropping below 0.8 4 responses 05/06/2018
Still lots to do 6 responses 05/06/2018
Job for university seminar: Pairs trading on energy sector 4 responses 05/06/2018
Top Gainer scan no responses 05/06/2018
Simulated stop & limit orders no responses 05/06/2018
Bond Yields / Issue using data.history() 1 response 05/06/2018
Not bad no responses 04/06/2018
More improved no responses 04/06/2018
IMPROVED no responses 04/06/2018
Sell all at the end of day 3 responses 04/06/2018
First algo no responses 04/06/2018
Multi-leg order management - Seeking help 4 responses 04/06/2018
What is the best way to do a GTC stop loss order? no responses 04/06/2018
Count number of holdings in an Universe 6 responses 04/06/2018
Order should have filled in backtest but did not 3 responses 04/06/2018
macd no responses 04/06/2018
Sentiment Trading Algorithm 4 responses 04/06/2018
Researching PCA with Alphalens 7 responses 04/06/2018
How to resample the daily 'USEquityPricing.close' to weekly? 6 responses 04/06/2018
PLEASE HELP MY - LIMIT PIPELINE RESULTS 1 response 04/06/2018
Can we save intermediate results and use it later in research? 1 response 04/06/2018
Need help using Pipeline to calculate correlations 4 responses 04/06/2018
KeyError: AssetExists() when using RollingLinearRegressionOfReturns 1 response 03/06/2018
Question about new backtest page 3 responses 03/06/2018
Need code for value area calculation no responses 03/06/2018
Consolidated Sharpe ratio 1 response 03/06/2018
Issue With Importing Morningstar Dataset 1 response 02/06/2018
Converting SID to SYMBOL in Research 2 responses 01/06/2018
Backtesting strategies no responses 01/06/2018
ETF Rotation not Ordering correctly no responses 01/06/2018
Noobie Question ! Difference between handle_data and rebalance ? 4 responses 01/06/2018
Alphalens template? 10 responses 01/06/2018
Adding a new strategy to an existing portfolio 1 response 01/06/2018
XIVH and BSWN 1 response 01/06/2018
Research Notebook Shift-Enter not entering next cell no responses 01/06/2018
Daily Leaderboard Metrics Question 1 response 01/06/2018
A Quant Workflow in 4 Minutes 3 responses 31/05/2018
Are these realistic slippage and commission rates? 6 responses 31/05/2018
Can someone help me with a straight forward Trading Volume Formula? 3 responses 31/05/2018
Columns in pipeline: today's open, s&p open and close yesterday 2 responses 31/05/2018
Make more packages available in research no responses 30/05/2018
need help. 7 responses 30/05/2018
New here no responses 30/05/2018
Course "Introduction to systematic investment strategies", Pairs Trading Energy Stocks V1 no responses 30/05/2018
Notebooks are not loading 4 responses 29/05/2018
Algorithm Performance in Day Trading Strategy 4 responses 29/05/2018
Why QTradableStocksUS? 3 responses 28/05/2018
Problem with Backtest Data in Research no responses 28/05/2018
New to Quantopian: Installation help 8 responses 28/05/2018
Stochastic MSFT no responses 27/05/2018
Kalman filtering for futures ? 1 response 27/05/2018
Algorithm Feedback Request 13 responses 27/05/2018
Maximizing Sharpe or Minimizing Drawdown? 3 responses 27/05/2018
KeyError '_29009'? 1 response 27/05/2018
Unaccounted for stock split <resolved> it was BRK-A 6 responses 27/05/2018
Using history of CustomFactors in pipeline 1 response 27/05/2018
Quantopian 3 responses 27/05/2018
Technical analysis Indicators without Talib (code) 44 responses 27/05/2018
Quantopian contest winnings - what to do with them? 9 responses 26/05/2018
Trouble with futures data no responses 26/05/2018
Questions about the new backtest view 2 responses 26/05/2018
QTradableStocksUS and zipline 7 responses 26/05/2018
Disabling multiple pipeline run no responses 26/05/2018
first notebook no responses 25/05/2018
HELP! How to Calculate Sharpe Ratio During Backtest? 2 responses 25/05/2018
Log-normal Distributions for Returns 3 responses 25/05/2018
Dynamically Adjust Lookback Period no responses 24/05/2018
Average daily return for a market neutral strategy 1 response 24/05/2018
how can I get the adjusted price data based on a special date rather than pipe line running date 1 response 24/05/2018
An R interface to zipline. 2 responses 24/05/2018
Use Accern's Sentiment Dataset with Quantopian's Optimization Package to get 2.37 Sharpe Ratio & Questions on Acceptable Avg Daily Turnover Rates 12 responses 24/05/2018
Contest - Maroon Hippopotamus 1 response 24/05/2018
morningstar premium data API 1 response 24/05/2018
Problem with Custom Factor 3 responses 24/05/2018
Question on Historical Data 1 response 24/05/2018
Does anyone live in the Ann Arbor Michigan area ? no responses 23/05/2018
Tendency to mean revert custom factor? 5 responses 23/05/2018
order_target_percent works unexpected 1 response 23/05/2018
Fundamental Question 4 responses 22/05/2018
Evaluate the significance of the relationship among VIX and S&P 500 no responses 22/05/2018
How relevant is Style risk if common returns are relatively small? 17 responses 22/05/2018
Information Coefficient, p-values, and other alphalens/probability related questions 1 response 22/05/2018
Fundamental data for securities already in portfolio 2 responses 22/05/2018
Asset Pricing -- Energy Stocks no responses 21/05/2018
Iterating Over Custom Factor Input with window_length of 2 no responses 21/05/2018
Introducing Named Backtests 7 responses 21/05/2018
I'm not getting all Sectors 1 response 21/05/2018
Risk Model White Paper Released and Available for Your Reading 51 responses 21/05/2018
Is there any way to use a trained neural network in Quantopian? 2 responses 21/05/2018
Viewing stats of contest algos and other beginner questions 4 responses 21/05/2018
How can i calculate price "leg-sizes"? no responses 21/05/2018
Order state on partial fills, close, open or crossover 1 response 21/05/2018
How to load End of Day price like Yahoo Finance data no responses 20/05/2018
Trade gain code? 2 responses 20/05/2018
contest algo - feedback? 34 responses 19/05/2018
rationale behind not sharing Quantopian API code? 4 responses 18/05/2018
Notebook....previous days price 1 response 18/05/2018
Is there a timeline when Sklearn 0.18 will be available? 2 responses 17/05/2018
Backtest Analysis Webinar 8 responses 16/05/2018
zipline package locally: doubts 2 responses 16/05/2018
Exercises for Lectures Are Now Available 10 responses 16/05/2018
Re-Run Backtest Programmatically 1 response 16/05/2018
Algorithm To Isolate Common/Specific Returns 4 responses 16/05/2018
listen button on mobile no responses 16/05/2018
Running two pipelines for buying and selling 2 responses 15/05/2018
Stochastic Oscillator result for University's Seminar no responses 15/05/2018
How do I get sector for a stock right before trading? 1 response 15/05/2018
Help With Dataframes (Resolved) 3 responses 15/05/2018
pipeline, dynamic security selection and risk model 2 responses 15/05/2018
Finding Previous Gainers and Losers no responses 15/05/2018
Pipeline TimeoutException: any hope for a fix? 40 responses 15/05/2018
learning no responses 14/05/2018
Help needed - Analysing Crypto Intraday average max/min % no responses 14/05/2018
PARTY Algo - Feedback requested please 26 responses 14/05/2018
Struggling to get basics to work 2 responses 13/05/2018
Another Newbie Question - At least it's simple 2 responses 12/05/2018
Trouble with Trades executing a minute after they should. 6 responses 12/05/2018
Trying to watch stocks for multiple days, but they get deleted at the end of the day 1 response 12/05/2018
Order at Open, then Profit Taker/Stop Loss, and finally sell at Close no responses 11/05/2018
day trade the ES mini? no responses 11/05/2018
History function only returns "inf" values no responses 11/05/2018
Need an algorithm in python to spot break outs. 4 responses 11/05/2018
PLEASE HELP WITH RUNNING PIPELINE NEWBIE 1 response 11/05/2018
What/who decides what is an 'interesting' post? 1 response 10/05/2018
How To Weight By Fundamental Value? 4 responses 10/05/2018
That's funny, 0% drawdown. 76 responses 10/05/2018
Determine trades 17 minutes before the close, then execute using Market On Close? 4 responses 10/05/2018
order_target_percent bug 5 responses 09/05/2018
Looking for someone to code our algorithms for Quantopian 1 response 09/05/2018
In the live trading dashboard under orders and fills what does stop represent? no responses 09/05/2018
Macro Data Implementations no responses 09/05/2018
FIX in Python no responses 09/05/2018
Tick Granularity and Pre and Post market trading? 1 response 09/05/2018
AttributeError: 'module' object has no attribute 'dependencies' 2 responses 09/05/2018
Common returns seem to be out of reach 2 responses 09/05/2018
Does the Premium Package include all the features from Q or do you have to purchase them separately? 1 response 09/05/2018
Slope Theory (Moving Average Alignment) 11 responses 09/05/2018
PROBLEMS TRYING / MIGRATE NEW API 1 response 09/05/2018
Creating first Pipeline (Homework 2) no responses 09/05/2018
Accessing Notebook Issues no responses 08/05/2018
legging into pairs trade no responses 08/05/2018
Quantopian engineering 6 responses 07/05/2018
Futures Trades Executing at an Impossible Price 2 responses 07/05/2018
Factor Risk Exposure (Lecture 34) no responses 07/05/2018
Min leverage (0.8x) 1 response 07/05/2018
SMA 5 / 30 - First Post - Homework 1 no responses 06/05/2018
Combining factors in pipeline for non overlapping security sets 2 responses 06/05/2018
SPY - SH clone no responses 06/05/2018
Quantopian open contest 35 results no responses 06/05/2018
Using Fundamentals class locally no responses 06/05/2018
How can I get multiplier of a future,such as Oil? 3 responses 06/05/2018
Stocks on the move 1 response 06/05/2018
Please help with Long/short re-balancing 2 responses 06/05/2018
Custom factor - with yearly based calculation 1 response 05/05/2018
SEC EDGAR Form 4 scraper for Insider Transactions 2 responses 05/05/2018
How to convert from business days to calendar days 3 responses 05/05/2018
IB algo trading as a service 3 responses 05/05/2018
Woodstock for Capitalists 2018 tonight! no responses 05/05/2018
Can I get my Sector Exposures during the trading day? 1 response 04/05/2018
Contest hacking / 'cheating' 9 responses 04/05/2018
What are the Sector ETFs? 6 responses 03/05/2018
Days since 52 week hi/lo 3 responses 03/05/2018
Question about a CustomFactor look-back period 17 responses 03/05/2018
S & P 500 no responses 02/05/2018
Capital Allocation for CTA Models - Possible? 3 responses 02/05/2018
Global Equity Markets - Community Discussion Thread 13 responses 02/05/2018
Set target and stop at specific price levels that are then saved? 3 responses 02/05/2018
Upload trade list of 200 long names and 200 short names of US large cap 1 response 02/05/2018
Global Equity Market Trading Hours Visualized 1 response 02/05/2018
market probability model no responses 02/05/2018
Accelerating Dual Momentum: 150 Year Backtest 20 responses 02/05/2018
ValueError: NaN or Inf values provided to FactorExposure for argument 'loadings'. 4 responses 02/05/2018
get_pricing for minute data starts at 2:30pm 2 responses 02/05/2018
Quarter on Quarter growth factors 12 responses 02/05/2018
Reverse engineer future stock prices 16 responses 01/05/2018
SMA strategy of MSFT no responses 01/05/2018
SMA CROSSOVER ALGORITHM no responses 01/05/2018
Pipeline with Datasets that Contain Weekend Data 9 responses 01/05/2018
Begginer SMA algorithm 2 responses 01/05/2018
Filled orders in order table doesn't match positions table when Live trading. no responses 01/05/2018
Does Order Target Percent take into account Early Close or do I need to add code 2 responses 30/04/2018
Simple Moving Average no responses 30/04/2018
Backtest analysis on individual trade basis? no responses 30/04/2018
How do I get monthy data from daily data. 3 responses 29/04/2018
Help Needed <Resolved> 2 responses 29/04/2018
I have been working on an idea and have no coding skill. Would like to collaborate with coder. no responses 29/04/2018
How to get access to data variable in custom factor class? 3 responses 28/04/2018
Why is the fill price greater than the limit price? 5 responses 28/04/2018
Weekly Winner (Long Only) no responses 28/04/2018
Different backtest results from change in date range 6 responses 27/04/2018
Stop Order Issues 3 responses 27/04/2018
Different data between get_pricing in notebook and data.history in algo 3 responses 27/04/2018
loop historical price series for each stock in Q500US universe 2 responses 27/04/2018
Python + Robinhood? High Frequency Trading? 1 response 26/04/2018
Important News for Our Community 55 responses 26/04/2018
How to run zipline in a class no responses 26/04/2018
Improved Backtest Analysis 57 responses 25/04/2018
Is Max DD calculating wrong? 2 responses 25/04/2018
Differently sized arrays in CustomFactor 6 responses 25/04/2018
SMA Algorithm (first try) no responses 25/04/2018
My test no responses 25/04/2018
Basic Algorithm design by SMA Crossover strategy 2 responses 24/04/2018
coding for open long/short, close long/short no responses 24/04/2018
My first algorithm - SMA no responses 24/04/2018
SMAcrossover of mine 2 responses 24/04/2018
opening price? 3 responses 24/04/2018
QuantNet backtest no responses 24/04/2018
Developing an Investment Strategy 25 responses 24/04/2018
How to get SIDs from Pipeline's index 3 responses 24/04/2018
Does order_optimal_portfolio keep track of positions already open? 3 responses 23/04/2018
There was an unexpected error submitting this algorithm. Please try again later. no responses 23/04/2018
RSI Signal for largest securities no responses 23/04/2018
New guy needs help 3 responses 23/04/2018
Some explorations of Low Volatility and Distance to Default Models 1 response 22/04/2018
Seem to be having trouble with Pipeline Output? 10 responses 22/04/2018
Need help with Connors RSI Algorithm 2 responses 22/04/2018
Integrating Python in a .NET framework for Zoonova.com no responses 22/04/2018
Please delete this post no responses 21/04/2018
Industry Analysis no responses 21/04/2018
Same strategy, different results between Algorithm and Notebook ? 1 response 21/04/2018
A Good Volatility Calculator 2 responses 21/04/2018
"WARN Your order for X number of shares of XYZ failed to fill by the end of day and was canceled" ?? 1 response 21/04/2018
Can't order more than 100000000000 shares? 4 responses 21/04/2018
How to set minimum number of stocks in portfolio and maximum position concentration? 1 response 21/04/2018
Quantopian: Are stop and limit order types fully disallowed? 2 responses 21/04/2018
Please delete this post no responses 20/04/2018
Not getting correct results from Pipeline filtered by MarketCap 2 responses 20/04/2018
Using qgrid in research notebook 2 responses 20/04/2018
Why do Brokerages keep pushing retail traders away from Volatility products no responses 20/04/2018
Best way to get industry names from their codes? 2 responses 20/04/2018
Try...except 1 response 20/04/2018
Get a list of all tickers over 10 year period for Q1500US() 1 response 20/04/2018
Using PCA for Statistical Factors Regression 10 responses 19/04/2018
Inconsistent functions symbol, symbols for research and IDE environment no responses 19/04/2018
How is the gains being calculated? no responses 19/04/2018
HFT/ML Quants for Cryptocurrency fund 3 responses 19/04/2018
Alpha Factor Returns (PnL) in IDE 5 responses 19/04/2018
Portfolio Analysis and Optimization Tools no responses 18/04/2018
Logging Sector Exposure no responses 18/04/2018
Re-balancing portfolio every year - please see code 2 responses 18/04/2018
Flat Returns no responses 18/04/2018
How to actually live-trade your algorithm 7 responses 18/04/2018
Allocation eligibility for successful contest algorithms 13 responses 17/04/2018
Can I get some input please? 2 responses 17/04/2018
Join Our Live Webinar "Interpreting Factor Anomalies" on 4/19 1 response 17/04/2018
Rate of Change Screener no responses 17/04/2018
QuantCon is Next Week! no responses 17/04/2018
logarithm 2 responses 17/04/2018
Beginner question 6 responses 17/04/2018
Morninstar change in certain values fields 1 response 17/04/2018
Short list no responses 16/04/2018
History data do not match. 3 responses 16/04/2018
Waits: Simple per security waiting period any number of days no responses 16/04/2018
Comparison tool recommendations, for increasing productivity 1 response 16/04/2018
Looking for someone to help me with a project!!! PLEASE READ 1 response 16/04/2018
Pipeline with 1 stock and two SimpleMovingAverage 2 responses 16/04/2018
BUFC Optimize Example Algo no responses 15/04/2018
continuous future error 7 responses 14/04/2018
Bollinger Bands filtering and trading strategy 2 responses 14/04/2018
Rebalance 3 responses 14/04/2018
before_trading_start on futures calendar 1 response 13/04/2018
TAA implementation with optimization api 3 responses 13/04/2018
The post I created is not showing 3 responses 13/04/2018
Using VIX in futures algorithms 2 responses 13/04/2018
REPOST CANT SEEM TO FIND THE ORIGINAL POSTER OF THIS MACHINE LEARNING ALGORITHM no responses 13/04/2018
When does the Quantopian podcast come out? #wishfulthinking no responses 13/04/2018
DollarNeutral and NetGroupExposure constraints 7 responses 13/04/2018
Andy Brim BCC/PHM Pairs Trading no responses 13/04/2018
BCC Boise Cascade Corp. PHM Pulte Homes pairs trading no responses 13/04/2018
Andy Brim Pairs Trading 2 no responses 13/04/2018
Backtest strategy on the market 2 responses 12/04/2018
CEO changes no responses 12/04/2018
how to select only the very first one 3 responses 12/04/2018
Use one of 2 factors depending on the value of the third factor 1 response 12/04/2018
Stop-loss orders for long/short strategy using Optimize API 1 response 12/04/2018
Cant Create a columns for SID & Symbols Name 4 responses 12/04/2018
Allocations 3 responses 12/04/2018
Calculating Market Impact 12 responses 10/04/2018
Pyfolio help - New to quantopian 2 responses 10/04/2018
A filter "isnan() and notnan()" returns items. 3 responses 10/04/2018
Obtaining fundamental data for a single or basket of stocks in Research Notebook 2 responses 10/04/2018
Help on iterating ticker symbols in context 3 responses 09/04/2018
hanyang univ team 3 results 3 responses 09/04/2018
*Global ETF Decision Point Algo* no responses 09/04/2018
hanyang univ volatility investment strategy class team3 no responses 08/04/2018
Accumulation Distribution with Long Short Equity no responses 08/04/2018
2018 Montreal Quantopian Algo-trading Wokrshop no responses 07/04/2018
2018 Montreal Quantopian Algo-trading Workshop no responses 07/04/2018
2018 Montreal Quantopian Algo-trading Workshop no responses 07/04/2018
How to rebalance every month based on a 10 months simple moving average rule ? 4 responses 07/04/2018
MorningStar Data Mismatch 1 response 07/04/2018
Montreal Algo-trading workshop 2018 - Criteria Test no responses 07/04/2018
Montreal Algo-trading workshop 2018 - Getting Started Algorithm no responses 07/04/2018
VERY Beginner Question 1 response 07/04/2018
Montreal Algo-Trading Workshop 2018 - Intraday Long-Short Equity no responses 07/04/2018
Montreal Algo-Trading Workshop 2018 - Sentiment Analysis v2 no responses 07/04/2018
Montreal Algo-Trading Workshop 2018 - Sentiment Analysis v1 no responses 07/04/2018
Montreal Algo-Trading Workshop 2018 - Sentiment Analysis no responses 07/04/2018
Montreal Algo-Trading Workshop 2018 - Placing orders no responses 07/04/2018
Montreal Algo-trading workshop 2018 - Hello World example no responses 07/04/2018
Quantopian Workshop 2018 Example 1 no responses 07/04/2018
Zipline outside of Quantopian 3 responses 06/04/2018
sklearn.decomposition.PCA: Every 2nd results sign flipped 5 responses 06/04/2018
Chaotic deals 1 response 06/04/2018
fetch_csv() outside of init method 3 responses 06/04/2018
Introductions no responses 06/04/2018
What type of content would you like to see? 41 responses 05/04/2018
"Introduction to Time Series Analysis in Python" Course no responses 05/04/2018
articles on initial coin offerings (ICOs) 3 responses 05/04/2018
Why does order_optimal_portfolio "over buy"? 4 responses 05/04/2018
Daily Contest Leaderboard Temporarily Not Updating (Fixed) 1 response 04/04/2018
Backtest returns analysis 1 response 04/04/2018
Applying constraint on minimum number of securities in final portfolio 2 responses 03/04/2018
help w/ error - ValueError: Cannot convert NA to integer There was a runtime error on line 72. 4 responses 03/04/2018
FCF Q1500 Universe 3 responses 03/04/2018
5 Minute Level Pricing make_pipeline in notebook 5 responses 03/04/2018
Is there a dataset to provide merger and acquisitions associated with a ticker 1 response 03/04/2018
Is there a dataset to provide mapping between tickers and companies owned by the ticker no responses 03/04/2018
quantamental research- need help on creating algorithms 5 responses 03/04/2018
Analysis of the backtest (betting against beta and net stock issues combo rank) no responses 03/04/2018
Betting Against Beta no responses 03/04/2018
Betting against beta & net stock issues (combined ranking) no responses 03/04/2018
Analysis of the Backtest (net stock issues) no responses 03/04/2018
Net Stock Issues no responses 03/04/2018
Analysis of the backtest (idiosyncratic volatility) no responses 02/04/2018
Idiosyncratic Volatility 5 responses 02/04/2018
Analysis of the backtest (betting against beta) no responses 02/04/2018
Re-direct too many times 1 response 02/04/2018
How about the "Algorithm Builder"? 2 responses 02/04/2018
Found Value Momentum Algorithm and Want to fix it no responses 02/04/2018
CustomFactor returning NaN for specific days using daily HLC data only 2 responses 02/04/2018
Future data holes in research 2 responses 02/04/2018
Too late to the API party, what's next? no responses 02/04/2018
Anyone tried implementing gradient descent on Quantopian? no responses 01/04/2018
Any Suggestions For Isolating A Specific Common Return? 7 responses 01/04/2018
The historical datas are so different between IDE and Research that the backtesting result is also quite different. 1 response 01/04/2018
HELP! Algo doing the same (simple) thing, done three different ways, produces different results. 11 responses 01/04/2018
Help with Unknown Error in Notebook Environment 6 responses 31/03/2018
How to circumvent partial number of shares being filled? 1 response 31/03/2018
Live trading via webcrawling the live algorithm webpage: a proposal. no responses 31/03/2018
Why can't I access historical prices value? and how to do natural log? 4 responses 31/03/2018
How to debug in a right way 5 responses 30/03/2018
Question: basic buy and sell strategy 2 responses 30/03/2018
How to use history function to obtain historical closing prices for varying frequency? 1 response 29/03/2018
1 Month Until QuantCon! no responses 29/03/2018
I Am Interested In Building My Own Algorithm Taking A Concentrated Value Approach. Anyone Been Interested In This? 4 responses 29/03/2018
Algorithms do find technical chart patterns like on this pic? 1 response 29/03/2018
How to execute order_target_percent every 30 minutes while closing all the positions every 30 minutes? 5 responses 29/03/2018
Getting NaN when attempting to pull fundamental data using pipeline: HELP! no responses 28/03/2018
TVIX & SVXY no responses 28/03/2018
how can I get sector index? 1 response 28/03/2018
ta-lib installation windows 10 no responses 28/03/2018
Pipeline examples within Zipline? 1 response 28/03/2018
Upcoming Changes to Morningstar Fundamental Data 17 responses 27/03/2018
Data Problem for some Fundamental Factors no responses 27/03/2018
DEPRECATION WARNING: Morningstar is removing the 'operating_income' field on March 31, 2018. 13 responses 27/03/2018
What happened for the data "ev_to_ebitda" during 2017-04-28 to 2017-05-12 6 responses 27/03/2018
talib.BBANDS working correctly, but talib.rsi not working as expected 1 response 27/03/2018
Rebalance causing a runtime error no responses 27/03/2018
Increasing the font-size of the graphs produced by Pyfolio no responses 26/03/2018
Quantopian forum software? 4 responses 26/03/2018
SPY/SPXL Discrepancy 3 responses 26/03/2018
Industry From SID 2 responses 25/03/2018
Contest No Loss Algorithm 1 response 25/03/2018
Research notebook trick 2 responses 25/03/2018
How to pass global info solution 3 responses 25/03/2018
Is there a way to combine multiple technical indicators together? 1 response 24/03/2018
Need help ranking, then calling, two groups separately 7 responses 24/03/2018
SID to company name? 4 responses 24/03/2018
Frustrated about using zipline in own IDE 6 responses 24/03/2018
multi-factor algo template 14 responses 24/03/2018
Welcome HackerOne researchers! Please post test comments ONLY in this post 72 responses 23/03/2018
[Help Request] Understanding input variable in custom factor 2 responses 23/03/2018
MR 21day Andy Brim no responses 23/03/2018
MVA5day Andy Brim no responses 23/03/2018
Bug With Live Trader no responses 22/03/2018
To all traders who have made it no responses 22/03/2018
sell always higher than buying price no responses 21/03/2018
Is there any good options trading strategy? 6 responses 21/03/2018
Long only optimal portfolio trades more stocks than processed through pipeline and accumulates positions unintentionally 2 responses 20/03/2018
Backtest date bug! 19 responses 20/03/2018
Betting Against Beta (after the application of commision & slippage) no responses 20/03/2018
Analysis of Backtest (Betting Against Beta) no responses 20/03/2018
Fixed Effects in a Regression 2 responses 19/03/2018
Analysis stock returns in research environment (instead of building a full backtest) 10 responses 19/03/2018
Advice for starting on an algorithmic options trading project 7 responses 19/03/2018
Using Pipeline with US Futures Calendar 1 response 18/03/2018
Using the Yield Curve to Hedge a 60/40 Portfolio and Increase Sharpe Ratio 1 response 18/03/2018
Install Quantopian Zipline 4 responses 18/03/2018
what classification modules from sklearn do Quantopian support? no responses 17/03/2018
Volume data seems incorrect when comparing against Yahoo Finance charts? no responses 17/03/2018
VIX HISTORICAL DATA no responses 17/03/2018
data.history call - adjusted prices no responses 17/03/2018
Changing factor constraints based upon market conditions 1 response 17/03/2018
QuantCon 2018 Agenda Just Released no responses 16/03/2018
Getting Better Fills than 'Live Trading'? 1 response 16/03/2018
Why aren't these prices the same? 3 responses 16/03/2018
USUInvests 5day moving average, signal current price no responses 16/03/2018
Alphalens Error 4 responses 15/03/2018
Contest Leaderboard Update Delayed 1 response 15/03/2018
Why are sector/style risk constraints not absolute? 8 responses 15/03/2018
Poor Man's Portfolio Optimizer no responses 15/03/2018
"from sklearn import model_selection" is not supported? no responses 15/03/2018
Should these funds behave completely opposite? no responses 15/03/2018
Simplistic intrinsic value test 1 response 14/03/2018
Decision Point Trend Model Algo *Need Help* 1 response 14/03/2018
Decision Point Algo needs help no responses 14/03/2018
Module not working no responses 14/03/2018
Basic MA buy/sell 2 responses 14/03/2018
online broker for algo trading on quantopian 1 response 14/03/2018
Create a table in Notebook, or, copy to Excel 1 response 14/03/2018
Contest not updating 2 responses 13/03/2018
Error: operands could not be broadcast together with shapes 5 responses 13/03/2018
Intraday Only Help 3 responses 13/03/2018
Limit Order with New Order Optimal Portfolio 4 responses 13/03/2018
Help needed to improve the "betting against beta" strategy! 1 response 13/03/2018
Stop Orders aren't implemented correctly? 5 responses 13/03/2018
Get Wrong price of ITUB on 2017-08-14 2 responses 13/03/2018
buy the top 20 Losers similar too a mean reversion no responses 13/03/2018
Try momentum factor alone 1 response 12/03/2018
Change the slippage and commisson no responses 12/03/2018
Change Q1500US to Q500US no responses 12/03/2018
Backtesting Minute Data no responses 12/03/2018
VIX DATA WITHOUT PIPELINE no responses 12/03/2018
List of Sites no responses 12/03/2018
Signal line for TRIX 2 responses 12/03/2018
How do you plot results from pipeline in research 1 response 11/03/2018
WHy the price data between IDE and Notebook so different? 2 responses 11/03/2018
Hitting a wall no responses 10/03/2018
eee no responses 09/03/2018
contest entry tear sheet 6 responses 09/03/2018
RSI strategy - help needed 5 responses 09/03/2018
My last shared algorithm - Good luck all 7 responses 09/03/2018
What is the historical coverage of morningstar? no responses 09/03/2018
Isolating Specific Returns 78 responses 09/03/2018
Can't get correct price by data.history in algo 2 responses 09/03/2018
Stock Screening no responses 09/03/2018
Benjamin Graham fundamentals + TA 2 responses 09/03/2018
Fundamentals dataset: Is there an analog of .latest which gets the last N years of information? no responses 08/03/2018
dual Momenturn no responses 08/03/2018
Research gives different results than Algorithm Pipeline? no responses 08/03/2018
Where can I find the list of packages available in the ide / research? 2 responses 08/03/2018
test no responses 08/03/2018
Cointegration test results deteriorate from the same test has been done by Delaney Mackenzie in "Introduction to Pairs Trading" 1 response 08/03/2018
Looking for working VIX data example 2 responses 08/03/2018
TypeError: 'Latest' object is not callable 3 responses 07/03/2018
Don't miss our Advanced Algorithmic Trading Workshop in London! March 10, 2018 no responses 07/03/2018
Unable to papertrade a strategy 4 responses 07/03/2018
Factor Mean & Standard Deviation 2 responses 07/03/2018
I'm New to Algorithmic-trading /seeking Advice 1 response 07/03/2018
Please make order_optimal_portfolio contraint reporting messages concise no responses 07/03/2018
Why the same algo in quantopian and local zipline has a big gap in the consuming time of backtest? no responses 07/03/2018
ValueError: Cannot convert NA to integer 11 responses 07/03/2018
Nice 'N Steady - Low Vol, High Dividend with a Vol Kicker 22 responses 06/03/2018
Improved Backtest List Interface, Significant Changes Coming 7 responses 06/03/2018
Quantopian Open Winner's T-Shirt 5 responses 06/03/2018
Short selling in backtester, time for improvement? 22 responses 06/03/2018
How to Leverage the Pipeline to Conduct Machine Learning in the IDE 4 responses 06/03/2018
Remove the volatility factor no responses 05/03/2018
Include all the four factor in the backtest no responses 05/03/2018
Adding the volume factor for a longer period based on the modified backtest no responses 05/03/2018
The results of changing the commission and slippage no responses 05/03/2018
Change the signal sign for longer period no responses 05/03/2018
What change has been made that could effect my algorithm's returns? 6 responses 05/03/2018
Question: from Pipeline, how to filter out those that have small population within a classifier? 2 responses 05/03/2018
52 Week Momentum Strategy no responses 05/03/2018
What is wrong with my optimization for contest? -- please help 5 responses 05/03/2018
Stop Order execution on monthly rebalance code no responses 05/03/2018
London Stock Exchange stocks on Quantopian? 1 response 05/03/2018
Please consider default downloaded data footprint for each backtest no responses 04/03/2018
Speed, measuring runtime no responses 04/03/2018
question in market price data no responses 04/03/2018
Minute-bar data in Research 3 responses 04/03/2018
multi-factor algo example 11 responses 03/03/2018
Risk Model Improvement: Removing Outliers For More Representative Beta Calculations 6 responses 02/03/2018
Arbitrage Strategies of Crude Oil Futures Contracts 1 response 02/03/2018
Fundamentals strategy 1 response 02/03/2018
How to reference calculation from "n" days ago 6 responses 02/03/2018
Confidence Interval Help 1 response 01/03/2018
#get_pricing# at a specific time of the day every day? 2 responses 01/03/2018
Weekly signal calculated every day no responses 01/03/2018
How can we backtest the new SVXY/UVXY leverage? no responses 01/03/2018
My first Pair Trading After Selecting using Machine Learning 1 response 01/03/2018
price-to-book ratio not behaving as supposed 2 responses 01/03/2018
order_optimal_portfolio - order types? 2 responses 28/02/2018
Mean Daily Turnover constraint no responses 28/02/2018
annually rebalance 2 responses 28/02/2018
Removed Fundamental Data Fields? 3 responses 28/02/2018
Plotting error no responses 28/02/2018
statsmodels.tsa.stattools.acf error - old version? no responses 28/02/2018
SAVE RESULTS FROM ANALYZE BACKTEST no responses 27/02/2018
Variable weights issue 7 responses 27/02/2018
Backtesting Dollar Value Averaging from 2017 Jan to 2018 Feb 1 response 27/02/2018
VIX futures basis strategy no responses 27/02/2018
HELP with Backtesting and Selling orders 2 responses 27/02/2018
MS advance derivative project in Python no responses 27/02/2018
how do you code a simple RSI algo 2 responses 26/02/2018
Freelance Work no responses 26/02/2018
Historical volatility term structure and VIX futures 3 responses 26/02/2018
Beginner trying to find a way to order from RSI pipeline output created 2 responses 26/02/2018
My first algorithms - Pairs Trading with Pepsi and Coca Cola 1 response 26/02/2018
Achat optimal no responses 26/02/2018
Tracking Safe Stop no responses 25/02/2018
Multi-sector screen? 1 response 25/02/2018
order_target_percent() weird behavior 2 responses 25/02/2018
Lecture 1 no responses 25/02/2018
Strategy based on daily returns no responses 25/02/2018
Returns based on previous night no responses 25/02/2018
Overnight returns with momentum strategy 1 response 25/02/2018
20 Sharpe!! - Is that even possible? 4 responses 24/02/2018
Where to find the full Quantopian API documentation 4 responses 24/02/2018
Robin Hood VIX Asylum 15 responses 24/02/2018
"When we get closer to a paid product offering..." - what does this mean? no responses 24/02/2018
How does Quantopian determine order fill rates? 2 responses 24/02/2018
Text and/or Email Alerts no responses 24/02/2018
Let us wish Victoria happy retirment. 2 responses 23/02/2018
Equity Valuation: The Comparables Approach Using K-means Clustering 1 response 23/02/2018
current Alphalens template/example? 1 response 23/02/2018
ETF Strategy 2 responses 23/02/2018
Quantopian "Quantitative Trader" job title - is Quantopian writing its own algos? 5 responses 23/02/2018
why import quantopian.algorithm as algo? 8 responses 23/02/2018
[deleted] 12 responses 23/02/2018
RIP Live Trading - Here was my best backtesting algo 1 response 23/02/2018
Long short statistical arbitrage on Cryptocurrencies - Algo for sale 18 responses 23/02/2018
Filter/Mask Non-Financials 2 responses 22/02/2018
Work with GDP growth instead of GDP level no responses 22/02/2018
How to get backtest's number of profitable days and total days? no responses 22/02/2018
Combining 'Order Optimal Portfolio' with a 'Days Held' Exit. 5 responses 21/02/2018
short borrow fees no responses 21/02/2018
listing factors no responses 21/02/2018
loading the data no responses 21/02/2018
imports no responses 21/02/2018
Can I use another programming language on quantopian (other than Python) 2 responses 21/02/2018
Replace the size factor with marketcap no responses 21/02/2018
multiple linear relationship between overnight return and four factor (Normalize volume factor) no responses 20/02/2018
Adding volume factor in the backtest for longer period no responses 20/02/2018
Add volume factor to the backtest according to the rank no responses 20/02/2018
Backtest for overnight return (for longer period) no responses 20/02/2018
Linear regression for three factor(Size,Momentum and volume ) no responses 20/02/2018
Linear regression for four factor(Size,Momentum,volume and volatility) no responses 20/02/2018
All - T no responses 20/02/2018
improvement of my pipeline strategy no responses 20/02/2018
Any ideas to improve the betting against beta strategy? no responses 20/02/2018
Any ideas to improve this idiosyncratic volatility strategy? no responses 20/02/2018
Why the coefficients are all to be 1? no responses 20/02/2018
Looking to build and understand my First Algo - A simple Aroon Strategy no responses 20/02/2018
How do I get an absolute value in a pipeline? 6 responses 20/02/2018
Help! Weird timezone error in notebook using alphalens 4 responses 19/02/2018
New Quantopian Contest: Daily Prizes, Enter Today 114 responses 19/02/2018
Book "할수있다! 퀀트투자 (You Can Quant Invest)" no responses 19/02/2018
Why I cannot enter the contest no responses 19/02/2018
C++ backtester no responses 19/02/2018
Backtest Issue: Short Sell/Buy Orders 2 responses 19/02/2018
getting past time&sales data for stocks + fundamental news for day trading equities no responses 18/02/2018
SCHEDULE FUNCTIONS WITH MORE THAN A MONTH 5 responses 18/02/2018
Plot Sectors against S&P 500 no responses 18/02/2018
Help - Limit a Zscore Value 4 responses 18/02/2018
Determining closing price 2 responses 17/02/2018
Questions about closing price 1 response 17/02/2018
EPS TTM 7 responses 17/02/2018
Alphalens feature request 1 response 17/02/2018
Looking for a partner for QFund potential. I have a Short Only Alpha Signal, long side needed. no responses 16/02/2018
Andy Brim MVA Aapl 1 response 16/02/2018
Help needed to improve this sample algo to use the new "order_optimal_portfolio" function 2 responses 15/02/2018
Factor Analysis - Momentum Rank 8 responses 15/02/2018
Long-Short Equity with Risk Model 8 responses 15/02/2018
P/E pipeline filter implementation 6 responses 14/02/2018
Stat Arb - 11 year backtest notebook 68 responses 14/02/2018
Post no responses 14/02/2018
My first algo no responses 14/02/2018
Contest 2018 problem. Error: you must use order_optimal_portfolio to place orders. 3 responses 14/02/2018
QTradableStocksUS turnover? 5 responses 14/02/2018
Cummulative vs Annual return interpretation 2 responses 14/02/2018
question on order_optimal_portfolio sell no responses 14/02/2018
Data for US Equity Pricing 1 response 13/02/2018
[Help with Contest] [You must use order_optimal_portfolio to place orders. Learn more.] 2 responses 13/02/2018
Variable weights instead of fixed ones 3 responses 13/02/2018
RiskModelExposure Question no responses 13/02/2018
Date you joined Quantopian and your member number with one click 2 responses 12/02/2018
Machine Learning Alpha with Risk Constraints 2 responses 12/02/2018
52 week high 5 responses 12/02/2018
QuantCon NYC 2018 Keynotes Announced no responses 12/02/2018
Speed please 24 responses 12/02/2018
Backtest Question: How do I define an initial variable outside the backtest loop? 9 responses 11/02/2018
Need help in developing simple stratergy no responses 11/02/2018
Separate fundamentals for long and short in pipeline no responses 11/02/2018
Function documentation 1 response 10/02/2018
Backtest results showing a pricing problem? 2 responses 10/02/2018
Is cumulative algorithm_returns of 0.00 positive? 2 responses 10/02/2018
Noob question on downlaoding minute data 1 response 09/02/2018
Reg. T Initial Margin and SMA Modelling no responses 09/02/2018
luigi no responses 09/02/2018
alternative to Quantopian-Robinhood? 15 responses 09/02/2018
Seeking Help with Data Visualization 2 responses 09/02/2018
Examining Short Term Reversals - Part 1 (Returns Data) 4 responses 09/02/2018
Automated Backtests 6 responses 09/02/2018
Custom Factor to calculate percentage change for different time windows 3 responses 08/02/2018
try hedging strategy through long short equity 1 response 08/02/2018
Can somebody give me a hand to make my_filter working. 2 responses 08/02/2018
Modifying individual positions using order_optimal_portfolio Frozen() 1 response 08/02/2018
Running Pipeline on Monthly Intervals Instead of Daily no responses 07/02/2018
How can i put constraint on weight so that i can get sharp ratio and optimum return and volatility based on it. no responses 07/02/2018
Using PCA in Quantitative Finance no responses 07/02/2018
K-means Clustering Help 7 responses 07/02/2018
Black Swan on Monday for XIV... 1 response 07/02/2018
Stock Ranks no responses 06/02/2018
More Speakers and Talks Announced for QuantCon NYC 2018 no responses 06/02/2018
Advanced financial package for python? Looking for options(american) Greeks, first and second order no responses 06/02/2018
XIV Liquidation no responses 06/02/2018
Newbie, trying to offset EMA by a few days to compare MACDs of different dates. 3 responses 06/02/2018
So long XIV/SVXY strategies 1 response 06/02/2018
Seeking Help in Mean Reversion on Futures no responses 06/02/2018
How to buy back a percent of shares shorted? 1 response 06/02/2018
Backtest Pipeline new no responses 05/02/2018
How to test a specific signal on multiple stocks no responses 05/02/2018
error: failed in converting 4th argument `xl' of _slsqp.slsqp to C/Fortran array 2 responses 05/02/2018
How to spot a Pump And Dump fast? 3 responses 05/02/2018
Need help weighting stocks based on rank, location, etc in a list 5 responses 05/02/2018
identical code, identical backtesting period, different outcome no responses 05/02/2018
(Wolves) OLD MA/DON'T USE LIVE no responses 05/02/2018
is it possible to get the algorithm code from a particular backtest 5 responses 05/02/2018
Running multiple portfolios simultaneously / extracting data 3 responses 05/02/2018
Can't plot using fetch_csv (Research) 1 response 04/02/2018
Inputting money values 1 response 04/02/2018
optimize MaximizeAlpha open source implementation 3 responses 04/02/2018
A New Contest is Coming: More Winners and a New Scoring System 271 responses 04/02/2018
Calculate an indicator between intraday window 4 responses 04/02/2018
For Prof. Marco 1 response 04/02/2018
Bid-Ask Model Erosion no responses 03/02/2018
t-scores, p-values, std-err of coefficients, R-square of new risk factor models no responses 03/02/2018
daily returns 1 response 03/02/2018
Please delete post. no responses 03/02/2018
A split cancellation not detected? 1 response 03/02/2018
Where to start?????? 7 responses 03/02/2018
Optimal order execution for iliquid markets no responses 02/02/2018
Estimating the Sharpe ratio using a Kalman filter 2 responses 02/02/2018
Equally Divided Trades no responses 02/02/2018
Static Portfolio Size no responses 02/02/2018
Any plan to update Pandas and scikit-learn? 1 response 02/02/2018
feed current portfolio weights into Pipeline custom factor? 27 responses 02/02/2018
Question About Margin Account IB 2 responses 01/02/2018
How to do this optimisation using Quantopian Optimize API? 1 response 01/02/2018
Is there a relationship between the price gain / loss of a security and how far above or below it is from its SMAs? no responses 01/02/2018
HELP! How to create multiple linear regression using pipeline data? no responses 31/01/2018
my first pipeline 4 responses 31/01/2018
Give weight to every stock according to the rank no responses 31/01/2018
I'm "winning" the latest two contects and unsure of the validity of the backtests 2 responses 31/01/2018
Keeping getting a ValueError on the following code!!! no responses 30/01/2018
Learn section no responses 30/01/2018
[Help!] How can I give weight to every stock according to the rank? 2 responses 30/01/2018
Pipeline overnight 4 responses 30/01/2018
overnight return based on four factor(two factor model.the total return has been improved) 1 response 30/01/2018
Long-term Fundamental Strategy 30% annual return 8 responses 30/01/2018
Theory of Continuity no responses 30/01/2018
Idiosyncratic volatility (based on Fama-French 3 factors) no responses 30/01/2018
cumulative moving average 7 responses 30/01/2018
Overnight return based on four factor(overnight return has been improved2) no responses 30/01/2018
Overnight returns using pipeline 1 response 30/01/2018
How to tell a factor is effective? 12 responses 30/01/2018
Please delete this post. 3 responses 30/01/2018
Please delete this post. 4 responses 30/01/2018
Please delete this post. no responses 30/01/2018
Please delete this post. 2 responses 30/01/2018
Overnight return based on four factor(overnight return has been improved) 1 response 29/01/2018
Quantopian Programmer Wanted 1 response 29/01/2018
LIVE WEBINAR: A Complete Overview of Quantopian’s “Getting Started” Tutorial 3 responses 29/01/2018
Quantopian Tradable Universe Updated from Experimental to General API 21 responses 29/01/2018
overnight return based on four factor model (bad result) no responses 29/01/2018
Pricing differences 4 responses 28/01/2018
Bollinger Bands with revise standard deviation no responses 28/01/2018
Gaussian Conditional Copula 13 responses 28/01/2018
Never be able to get Stop Order to work 2 responses 28/01/2018
ETF rotation no responses 27/01/2018
UnsupportedOrderParameters Error 3 responses 27/01/2018
Alternatives to Quantopian for Robinhood 3 responses 27/01/2018
SheHacks Boston 2018 Workshop Post no responses 27/01/2018
Our Futures contract prices (CL) vs. Price of Crude Oil (OPEC-ODB) in 2017 8 responses 27/01/2018
Is something wrong in my schedule function? 1 response 27/01/2018
Pipeline and history function 4 responses 27/01/2018
Questions about Fetcher 2 responses 26/01/2018
Shorting a basket of leveraged ETF pairs 3 responses 26/01/2018
Chipy FinSIG - Jan 25th no responses 26/01/2018
Betting against beta no responses 26/01/2018
FutureSymbol() - ERROR Symbol Argument Must be a String 5 responses 25/01/2018
STOCH RSI AND STOCH 1 response 25/01/2018
beginner: How to close e-mini position? - solved. 1 response 25/01/2018
Make a new sorted list of stocks? 2 responses 25/01/2018
Handpicking stocks for pipeline? 2 responses 25/01/2018
TypeError: Expected assets argument to be of type or iterable of type Asset, Continuous Future, basestring 2 responses 25/01/2018
How to Become a Professional Quant Trader no responses 25/01/2018
how would you treat Nan prices in research no responses 24/01/2018
problem with Pipeline using ADX 2 responses 24/01/2018
Stock universe issue 1 response 24/01/2018
Beta Constraint in Risk Model totally unnecessary 65 responses 24/01/2018
Please delete this post no responses 24/01/2018
Gaussian Conditional Copula no responses 24/01/2018
Using data.history on Fetcher columns fails, but using data.current succeeds 1 response 24/01/2018
new contest entry trial 23 responses 23/01/2018
Betting against beta (to take advantage of overnight returns) 2 responses 23/01/2018
pipeline filter simple no responses 23/01/2018
Algorithm Contribution no responses 23/01/2018
OLS vs. TLS for regression? 1 response 23/01/2018
Overnight-returns-based-on-four-factors-model-1st-backtest no responses 22/01/2018
Make a ranking for every four factor and the sum of four factors no responses 22/01/2018
All Weather back tested up to 2018 1 response 22/01/2018
overnight returns based on four factors model(1st backtest) no responses 22/01/2018
Don't Miss our New Webinar on Jan. 25th at 11am EST 4 responses 22/01/2018
All That Glitters Are Bugs! A Concrete Notebook Example 53 responses 22/01/2018
Could someone help with this very simple moving average strategy 2 responses 22/01/2018
How to do the parameter optimization in IDE? 2 responses 22/01/2018
Seeking Alphalens 4 responses 21/01/2018
Matching asset sid to combine factors from Pipeline data and Fetcher csv no responses 21/01/2018
Why there is a big price gap on 2017-07-18 by SDS? 3 responses 21/01/2018
alphalens source code on Github is not up to date 1 response 20/01/2018
please ignore 3 responses 20/01/2018
risk data not back to 2002 - why? no responses 20/01/2018
Live Trading 2 responses 20/01/2018
beta constraint study 6 responses 20/01/2018
Pairs Trading no responses 20/01/2018
Bollinger Bands Trading no responses 20/01/2018
Possible Implementation Bug With Beta? 20 responses 20/01/2018
SimpleBeta built-in factor - no mask argument allowed? 2 responses 20/01/2018
How to Do a 1 Time Purchase? 2 responses 20/01/2018
Cross-Validation no responses 19/01/2018
Squeeze momentum indicator with ADX indicator 2 responses 19/01/2018
Building a pipeline 2 responses 19/01/2018
Any reason why these futures data seems to have vanished? 2 responses 19/01/2018
Quantopian Contest Tutorial 5 responses 19/01/2018
Fix code on Markowitz optimization no responses 19/01/2018
Overnight vs Last 30 minutes of trading linear regression no responses 19/01/2018
How do I get the ACTUAL Current Price for a Specific Stock 3 responses 19/01/2018
Live Trading no responses 19/01/2018
RSI with pipeline - need to integrate BollingerBand 1 response 18/01/2018
why the volume data are the same?(ranking the stock based on four factor model) no responses 18/01/2018
Rank the stocks no responses 18/01/2018
Zack Earnings Surprises in Handle_Data function no responses 18/01/2018
"Overnight returns" vs "first 30 minutes of trading returns" linear regression no responses 18/01/2018
contest entry error - Request for risk model data ending with 2018-01-17 could not be processed? 4 responses 17/01/2018
How to get opening VIX during live trading no responses 17/01/2018
Historical fundamental financial data 11 responses 17/01/2018
Optimize API gives worse results than without it 5 responses 17/01/2018
Imposing Group Weight Constraints to Minimum Variance Optimization no responses 16/01/2018
Min Leverage 6 responses 16/01/2018
How to trade cryptocurrencies with Zipline? 7 responses 16/01/2018
Limit algorithm to specific stocks? 1 response 16/01/2018
Indexing problem with get_pricing 5 responses 16/01/2018
Futures prices problem? no responses 16/01/2018
rank the stock no responses 16/01/2018
Post deleted no responses 16/01/2018
Need a programmer for my algorithm no responses 16/01/2018
Can someone demonstrate a basic buy with the new rule , Order_optimal_portfolio 14 responses 16/01/2018
How to retrieve many separate minute data sets with data.history no responses 15/01/2018
Will Quantopian ever introduce 3-D plotting? no responses 15/01/2018
Deep learnign frameworks (tensorflow/keras, etc.) 3 responses 15/01/2018
Cannot compare tz-naive and tz-aware timestamps error (Zipline) 2 responses 15/01/2018
Stock Screener with Built-In Technical Analysis Categories no responses 15/01/2018
contributors and reviewers needed for Zipline-Live 66 responses 14/01/2018
Best way to implement Alphalens results into a backtest? 3 responses 14/01/2018
Creating a dataframe indexed by date 3 responses 14/01/2018
Data.Current_Chain() not loading full Futures Chain for VIX futures (only current and back months) 3 responses 14/01/2018
How do I make my pipe show the results as an output? 2 responses 14/01/2018
**Beginners Question** What was the best recourse that helped you learn to write algos? 2 responses 13/01/2018
Confused.....How do I do a stop limit order with the order_optimal_portfolio API 5 responses 13/01/2018
How to roll multiple futures ? no responses 13/01/2018
lll no responses 13/01/2018
How to filter pipeline to Market Cap > $50m? 2 responses 13/01/2018
Tab Complete Now Available In Backtest IDE 14 responses 12/01/2018
ADX and VIX in pipeline no responses 12/01/2018
Creating an algorithm based on orders, cancelled orders, filled orders, price etc. no responses 12/01/2018
Increasing the font-size of the graphs produced by Alphalens 6 responses 12/01/2018
How to implement long only optimization? 1 response 12/01/2018
set BABA as benchmark, beta is 0 no responses 12/01/2018
Apply ADX and crossover between +DI and -DI no responses 12/01/2018
Live Trading Current Price Question 2 responses 11/01/2018
test 3 responses 11/01/2018
How to have schedule function of six month? 1 response 11/01/2018
Is there any way to check the packages pre-installed in the jupyter? no responses 11/01/2018
What strategy does Alphalens use to calculate the 1-day, 5-day, and 10-day alpha and beta values? 3 responses 10/01/2018
Live Webinar Tomorrow with Andreas Clenow: "What Sets Professional and Retail Traders Apart?" 3 responses 10/01/2018
Historical Data no responses 10/01/2018
Why do alphalens quantiles overlap? 2 responses 10/01/2018
Are there bugs in calculation beta_spy_pt and passedBetaFilter for contest 38? 6 responses 10/01/2018
There is error when I ran zipline on my local PC no responses 10/01/2018
The Estimize Signal 3 responses 09/01/2018
Using PCA in Quantitative Finance 25 responses 09/01/2018
First Hourly Trend Trader SMA Cross 1 response 09/01/2018
Start Learning Quant Finance 5 responses 08/01/2018
test ML no responses 08/01/2018
ValueError: Request for risk model data ending with 2018-01-08 could not be processed. Data is available up to 2018-01-04. 4 responses 08/01/2018
Contest 38 Rules Changes - Slippage, Leverage, and order_optimal_portfolio 14 responses 08/01/2018
Can't hold a stock more than 1 day in portfolio! 2 responses 08/01/2018
Leverage on individual positions 4 responses 07/01/2018
Robinhood using buy and sell parameters 1 response 07/01/2018
code for risk_loading_pipeline, etc. available? 2 responses 07/01/2018
Running backtests on custom security(Altcoins) and pricing data 4 responses 07/01/2018
WaveTrend Based Algorithm Results 4 responses 06/01/2018
Fortran code in quantopian 1 response 06/01/2018
multivariate normal cdf - please help 3 responses 06/01/2018
Help - Simple multiplication gone awry 2 responses 06/01/2018
High risk, high reward tearsheet. 12 responses 05/01/2018
not sure how Wave Trend Indicator works 1 response 05/01/2018
Intraday regression - help no responses 05/01/2018
Commission model based on basis points - help 2 responses 05/01/2018
Dollar index? no responses 05/01/2018
How do I run calculation on data like external economic indicator data ? no responses 04/01/2018
Not all modules supported in Sklearn? no responses 04/01/2018
Is there a way to import data from quandl that is not list ed in the datasets? 2 responses 04/01/2018
Can I change the frequency of the Backtest? 2 responses 04/01/2018
How do I use schedule_function to do initial orders now? 2 responses 04/01/2018
Create single time vector from data.columns[] 2 responses 04/01/2018
Inverse ranking of alpha factor 2 responses 04/01/2018
How to record the quantity of various open orders? 11 responses 04/01/2018
TimeoutException in live trading 4 responses 04/01/2018
Collective 2 ? no responses 04/01/2018
How can I get the date? 2 responses 04/01/2018
Dataframe question - how to use multiple rows and columns to apply conditions in vectorized way? 1 response 04/01/2018
QTradableStocksUS Slow 1 response 04/01/2018
Quantopian量化交易平台介绍 (New Quantopian Webinar) 11 responses 03/01/2018
Automatically purchase open orders the next day no responses 03/01/2018
MFCB stock split not accounted for 1 response 03/01/2018
Seek your advice - can I download the lecture materials offline to my local Python environment? 2 responses 03/01/2018
Getting started 2 responses 03/01/2018
TypeError: unhashable type: 'list' 8 responses 03/01/2018
Simple Moving Average Crossover Strategy 15/50 10 responses 02/01/2018
Calculating Cointegration value for set of Stocks 1 response 02/01/2018
how is revenue_growth calculated? 1 response 02/01/2018
Slippage model does not fill order by end of day no responses 01/01/2018
The `get_fundamentals` method has been removed. But how is the alternative? no responses 01/01/2018
My algorithm does not trade at all 2 responses 01/01/2018
How to send an email notification in Quantopian? 2 responses 01/01/2018
Resources for learning the Finance side of Algorithmic Trading? 3 responses 01/01/2018
Need help: Your order for xxx shares of xxx failed to fill by the end of day and was canceled 6 responses 01/01/2018
Code Folding: a "Fold All" button in Algo IDE 1 response 31/12/2017
Plotting Pipeline Pandas DataFrame results no responses 31/12/2017
portfolio optimizations 1 response 31/12/2017
Oil Calendar spreads - a story of slippage 2 responses 30/12/2017
Tracking of my 2017 Biotech Portfolio no responses 30/12/2017
Isolate Midcaps in Pipeline 1 response 30/12/2017
backtest3 no responses 29/12/2017
how do i get a combined result for many stocks at once, and how do i change the benchmark to be something other than the SPY 500 no responses 29/12/2017
example of exponential smoothing w/ Optimize API? 19 responses 29/12/2017
Slow Symbols execution no responses 29/12/2017
Delete no responses 29/12/2017
Help! how to use pe_ratio as factor 1 response 29/12/2017
Using quantiles in w/Optimize? no responses 29/12/2017
Pairs trading algorithm 1 response 28/12/2017
What constitutes edge / why is my system working? 4 responses 28/12/2017
Max Intraday Leverage 7 responses 28/12/2017
A tear sheet. (Too good to be true). 2 responses 27/12/2017
OLS coefficients no responses 27/12/2017
Need Python Algo Trading Strategy Code 2 responses 27/12/2017
Need Python Script Code no responses 27/12/2017
Options trading model no responses 27/12/2017
Current price with history. Quantopian Bug? 11 responses 27/12/2017
Modern Portfolio Theory: Matrix Multiplication without numpy.matmul 2 responses 27/12/2017
Fundamental regression analysis 2 responses 27/12/2017
No longer accepting brokerage usage 2 responses 26/12/2017
Automated Options Trading 1 response 26/12/2017
Knife-Catching Swings 1 response 26/12/2017
Help me code my strategy. 1 response 26/12/2017
Backtest in Research 1 response 26/12/2017
For my internal sharing and discussion 10 responses 26/12/2017
ADX Pipeline Implementation? no responses 25/12/2017
Local Variable assigned but never used error 4 responses 25/12/2017
Offering help no responses 25/12/2017
Why is my short term reversal factor not in control? 8 responses 25/12/2017
Cryptocurrency Futures no responses 25/12/2017
How to utilize FRED datasets in pipeline? 2 responses 24/12/2017
PE Ratio 4 responses 23/12/2017
bt create tear sheet not working in pyfolio 2 responses 23/12/2017
Slope calculation 20 responses 23/12/2017
s no responses 22/12/2017
Can you get the specific returns from Quantopian Risk Model as your actual portfolio returns? 4 responses 22/12/2017
IEX free real-time data 1 response 22/12/2017
52 Week Breakout Strategy no responses 22/12/2017
More Dynamic PositionConcentration Constraints Tuned To Alpha 1 response 22/12/2017
High Dividend Low Volatility Backtest no responses 22/12/2017
This post is empty no responses 22/12/2017
datetime offset 5 responses 21/12/2017
Difference between using US Equities and US Futures for backtest no responses 21/12/2017
Issue with CustomFactor to calculate share opened with gaps 1 response 21/12/2017
Why is my algo's sharpe ratio so high? (ernest chan recode: Algo trading, & winning strats) 1 response 21/12/2017
question about order_target() function, why it's not ordering the specified shares of the stock? 2 responses 21/12/2017
Chat Feature in Collaborate - Live! 2 responses 21/12/2017
Comparing today's open vs yesterday's close no responses 21/12/2017
USD vs. EUR Exchange Rate and Market Performance no responses 20/12/2017
Need some help utilizing handle_data no responses 20/12/2017
Overnight prediction no responses 20/12/2017
Trying to Understand Trendline CustomFactor 1 response 20/12/2017
Big Data in Finance course project [Decision tree application to auto-trading] no responses 20/12/2017
I want to open and close positions one trading day a week, Wednesday, for a security pair. 2 responses 20/12/2017
Resampled Efficiency using CVXOPT 7 responses 19/12/2017
Building a Better Beta 30 responses 19/12/2017
Simple Future Algo crashes no responses 19/12/2017
Standard deviation with VWAP no responses 19/12/2017
Optimize API MaxTurnover constraint - is it supported? 2 responses 19/12/2017
Help: Runtime Error 2 responses 18/12/2017
easiest way to resample algo into hourly bars? 2 responses 18/12/2017
Changes Coming to the Default Slippage Model 14 responses 18/12/2017
Investment management. no responses 18/12/2017
Trading strategy for team 1 response 18/12/2017
Access time and sale data? 1 response 18/12/2017
Trading strategy 9 responses 18/12/2017
HA_Trade Contest no responses 18/12/2017
For peter no responses 18/12/2017
[Investment Management course] Smart Momentum Strategy no responses 18/12/2017
DJIA with Momentum for Mr. Shibanov no responses 18/12/2017
Feedback on UVXY trading using VIX and VVIX 1 response 18/12/2017
BM Size no responses 18/12/2017
Mind blowing test of New Risk Model 17 responses 18/12/2017
Trading Contest BMMZ no responses 18/12/2017
Crucial factor for momentum strategy no responses 18/12/2017
Research on predicting long term fundamentals with machine learning no responses 18/12/2017
Error running pipeline 1 response 17/12/2017
How to get data only instead of backtesting ? 1 response 17/12/2017
Squeeze Indicator with Beta adjustment no responses 16/12/2017
Buy 1 Share, Sell at Specific Price 10 responses 16/12/2017
Logging system cuts off charcters no responses 16/12/2017
Multiple Models in a Combined Portfolio Back-Test? no responses 16/12/2017
Does S&P 500 VIX Price Affect The Gold Price no responses 15/12/2017
talib.ATR 1 response 15/12/2017
Алгоритм для курса Investment Management 1 response 15/12/2017
Overnight SPY prediction no responses 15/12/2017
shuyu NB no responses 15/12/2017
Opportunity: new to algos no responses 15/12/2017
Risk-free rate on Quantopian 26 responses 15/12/2017
Unable to import data in my local jupyter notebook env 2 responses 14/12/2017
projec no responses 14/12/2017
project no responses 14/12/2017
Contest Disqualification 1 response 14/12/2017
Mystery at Contest 34/35...Case of Flawed Scoring System 1 response 14/12/2017
1337 Street Fund (a.k.a. Q Fund) prospectus? 6 responses 14/12/2017
Machine Learning 6 responses 14/12/2017
Multiple Benchmark Testing in Research no responses 13/12/2017
Dealing with Partial Fills 4 responses 13/12/2017
Leaderboard Status 2 responses 13/12/2017
Issues with fetcher, data.can_trade. and failed order fills 8 responses 13/12/2017
Attach bid-ask prices CSV no responses 13/12/2017
Solved 1 response 13/12/2017
Help with fetch_csv error 2 responses 12/12/2017
Multiple Pipelines Available In Algorithms 17 responses 12/12/2017
Quantopian Risk Model In Algorithms 29 responses 12/12/2017
Quantopian - use and abuse 5 responses 12/12/2017
Improvements To The My Algorithms Page 11 responses 11/12/2017
Gold Price VS. Market Volatility 2 responses 11/12/2017
UnboundLocal Error 6 responses 10/12/2017
New to the Community! 📊😃 1 response 10/12/2017
Do we have any issue with tear sheet generation? 1 response 10/12/2017
How to order a specific number of futures? no responses 10/12/2017
DNN and beyond 56 responses 10/12/2017
Scalping Algorithm - Help needed for a rookie 2 responses 10/12/2017
this strategy gave more than 100% return no responses 10/12/2017
multi-factor long-short equity w/ RSI-based short_term_reversal risk factor nullification 7 responses 09/12/2017
KeyError when running pyfolio bayesian tear sheet with my own returns dataframe no responses 09/12/2017
Notebook run_pipeline() got NotImplementedError (chunksize) no responses 09/12/2017
Hedging against factors for algos 4 responses 08/12/2017
Overnight as an indicator 2 responses 08/12/2017
Risk Free Rate to calculate Equity Risk Premium 3 responses 08/12/2017
Is quantopian program compatible outside quantopian? no responses 08/12/2017
A simple market making algo with a net Sharpe ratio > 7 year-to-date 8 responses 07/12/2017
How do we explain beating the S&P500 by a factor of 30, having the highest returns in the contest in conjunction with the highest Sharpe, and rank 320th in the contest? This is after less than one month. 62 responses 07/12/2017
add new column after pipeline run - deciles accounting for industries 5 responses 06/12/2017
Holding Spy Overnight 3 responses 06/12/2017
Morningstar Shares Outstanding Issued no responses 06/12/2017
RSI and Bands no responses 06/12/2017
Squeeze Momentum with Q500us universe no responses 06/12/2017
XGBoost availability on Quantopian no responses 06/12/2017
How to find your algorithms in Contest? no responses 06/12/2017
demo sma no responses 06/12/2017
Basic Multi-Factor Backtest (Geneva) 1 response 06/12/2017
Fundamental data for particular stocks 5 responses 05/12/2017
Pair trading using $10,00,000 equity 1 response 05/12/2017
Need Help on Volume price volatility no responses 05/12/2017
Max Price Help? 3 responses 04/12/2017
Statistical Arbitrage based on Divergence (Version 2) 4 responses 03/12/2017
Trading with Sentiment Machine Learning no responses 03/12/2017
How to use data by importing a csv file no responses 02/12/2017
Does Quantopian still support live trading through Robin Hood. Is there an updated tutorial on how to accomplish this 1 response 02/12/2017
Statistical Arbitrage based on Divergence 6 responses 02/12/2017
Can anyone explain why this is profitable? 5 responses 02/12/2017
Post deleted no responses 02/12/2017
Taking Quantopian to the Next Level (IMO) 8 responses 02/12/2017
Tear Sheet for Statistical Arbitrage based on divergence. 1 response 02/12/2017
Multiple pairs trading strategy with cryptocurrencies 1 response 02/12/2017
Tokyo Quantopian User Group Vol2 Handson Algorithm 3 responses 02/12/2017
Buying within certain days of crossover happening? 4 responses 02/12/2017
Risk Model Example: Detecting High Short Term Reversal Risk 72 responses 01/12/2017
n-thly returns window length 1 response 01/12/2017
Large Intraday Swing Produces Overnight Return 9 responses 01/12/2017
QuantCon Singapore 2016 Presentations no responses 01/12/2017
Defining day types to lead strategy selection (Mean reversion vs Momentum) 2 responses 01/12/2017
How to improve the return of gold and silver pairs trading strategy? 3 responses 01/12/2017
How does the basic algo decide when to sell? 1 response 01/12/2017
Calculating average daily return from pipeline VS prices function 1 response 01/12/2017
simple moving average strategy 1 response 30/11/2017
Sample for NE no responses 30/11/2017
Fetch CSV Data Issues Associated with Stock Splits and Ex-Div Dates 3 responses 30/11/2017
Long on Apple at lowest value from 2000 no responses 30/11/2017
Free Cash Flow Decreasing Strategy within US1500 1 response 30/11/2017
Marketing profitable strategy 2 responses 30/11/2017
Combining momentum, value, profitability, and growth long/short equity 3 responses 30/11/2017
Simple MA Crossover Strategy in Python no responses 30/11/2017
Is backtesting in research notebooks impossible? 12 responses 29/11/2017
ERROR: Dropping expired assets from optimization universe 3 responses 29/11/2017
Trouble with calculating beta for my investment no responses 29/11/2017
Yesterday's bar 2 responses 29/11/2017
Logging trades but Optimize isn't executing no responses 29/11/2017
Not sure why this wont run. no responses 29/11/2017
(?) Implications surrounding bridging gaps in price data for a price action trading strategy (?) 5 responses 28/11/2017
Bloomberg Data and Quantopian? no responses 28/11/2017
Print the full output 3 responses 28/11/2017
Learning how to make smart investments 2 responses 28/11/2017
Problem getting morningstar basic_eps on pipeline 4 responses 28/11/2017
Volume lookup for list of symbols 1 response 28/11/2017
What is the best way to take partial profits with optimize? no responses 28/11/2017
protect data from server reset? no responses 27/11/2017
Help with Pipeline - old algo 1 response 27/11/2017
Algorithm with no universe restrictions no responses 27/11/2017
if too high then not long QQQ that much no responses 27/11/2017
always long QQQ no responses 27/11/2017
Recreating Sharpefolio in Quantopian no responses 27/11/2017
Why is my algorithm shorting? 2 responses 27/11/2017
Training and Testing Sets 3 responses 27/11/2017
Sorting EV to EBITDA no responses 26/11/2017
Getting error when trying to access EPS information 3 responses 26/11/2017
Morningstar vs Fundamentals? 4 responses 25/11/2017
Help With Optimize TargetWeights 4 responses 25/11/2017
Cash Return Algorithm 1 response 25/11/2017
Pair Trading - Searching for suitable pairs 1 response 24/11/2017
performance attribution at hedge fund level? 12 responses 24/11/2017
Test no responses 24/11/2017
Error computing super trend indicator 1 response 23/11/2017
How do I iclude stochrsi signal in my algo no responses 23/11/2017
Systematic trading strategies - ADX and WVF 4 responses 23/11/2017
[HELP] How to add all Fundamentals indicators to Pipeline 3 responses 23/11/2017
Am I calculating the sortino ratio correctly? 1 response 23/11/2017
How to select the Top 4 performers out of a list 1 response 23/11/2017
Adding weights to ranking system? 2 responses 23/11/2017
Calculating Net Equity Issuance 2 responses 23/11/2017
Error: inputs are all NaN 2 responses 23/11/2017
No.4 task [work on indicator] no responses 22/11/2017
Performance Attribution Tear Sheet Improvements 3 responses 22/11/2017
Squeeze Momentum 2 responses 22/11/2017
short term vs. long term risk in the new model 1 response 22/11/2017
Study Group / Hackathon Miami, Fl 2 responses 22/11/2017
example usage of Optimize API FactorExposure constraint? 2 responses 22/11/2017
Optimization API MaxTurnover constraint - where is the documentation? no responses 22/11/2017
Does Quatopian have data for the following markets: 2 responses 22/11/2017
ZeroDivisionError: float division by zero 1 response 22/11/2017
How does Quantopian Adjust Prices? 2 responses 22/11/2017
WaveTrend Oscillator 3 responses 21/11/2017
Most Efficient Way to Iterate Through Pairs? 2 responses 21/11/2017
è no responses 21/11/2017
Zipline parameters optimization example no responses 21/11/2017
Commissions at lower budget 3 responses 21/11/2017
Universal pipeline, experimentation, learning 3 responses 21/11/2017
2 Different kinds of Backtests no responses 21/11/2017
Am I doing this right? (CustomFactor) 2 responses 21/11/2017
How would i graph moving average 1, and moving average 2, in a chart? 1 response 21/11/2017
Respective Industry Ratio Percentiles 1 response 21/11/2017
Let's see if Technical Analysis works 15 responses 20/11/2017
Trouble with rebuilding a squeeze momentum indicator 2 responses 20/11/2017
Futures benchmark 2 responses 20/11/2017
Seeking code that will allow me to execute market buy/sell from my robinhood account at a specified time. 1 response 20/11/2017
Seeking collaborator or mentor to help translate my Excel workbook into Quantopian's code. no responses 19/11/2017
Hierarchical Clustering: HowTo 4 responses 19/11/2017
[BUG REPORT] Large errors in the backtesting system 3 responses 19/11/2017
How to keep the date in the get_pricing method while I try to calculate the correlation? no responses 19/11/2017
ES Tick Data 1 response 19/11/2017
How to Trade Only One Sector? 1 response 18/11/2017
Finding Sector Averages 2 responses 18/11/2017
Futures Data no responses 18/11/2017
How to include minute of the trading day on each log line no responses 18/11/2017
Morningstar database field list 2 responses 17/11/2017
Pyfolio Fama-French Legend Bugfix no responses 17/11/2017
multi-factor example 18 responses 17/11/2017
What is the appropriate way of unit testing? no responses 17/11/2017
William´s VIX FIX no responses 17/11/2017
Dividend yield not working 4 responses 17/11/2017
RSI Strategy 30-70 4 responses 17/11/2017
How is the filter Q1500US built? 2 responses 16/11/2017
Not entering short postions 1 response 16/11/2017
Removing positions from porfolio 2 responses 16/11/2017
Understanding leverage = context.account.leverage 1 response 16/11/2017
assignment 3 RSI strategy[improved] no responses 16/11/2017
QuantCon NYC Returns April 27-28 2018 no responses 16/11/2017
Backtest for Short Vol no responses 16/11/2017
Backtest: Buy 1 hour after open, sell 10 min before close. Is this possible? 2 responses 16/11/2017
Wonder what does days_offset mean? 2 responses 15/11/2017
Custom Factor help 2 responses 15/11/2017
Live Paper Trading PNL Back to Zero Suddenly... Not Sure Why 3 responses 15/11/2017
William's Volatility Fix - help 3 responses 15/11/2017
Fama-French 3 factor model doesn't work very well, did I do something wrong? 1 response 15/11/2017
Oddities in Price Examples 4 responses 15/11/2017
Plotting Filing Dates vs Gross Profits for Companies in a Given Industry 1 response 15/11/2017
Z-Score Algorithm 5 responses 15/11/2017
Filtering by IPO Date 2 responses 14/11/2017
Free Cashflow Yield 7 responses 14/11/2017
Issue with HIstory on futures 1 response 14/11/2017
Problems with implementing a signal 2 responses 14/11/2017
[HELP] Store the buying value of an asset 2 responses 14/11/2017
feedback from live trading 3 responses 14/11/2017
get_pricing() not working? 2 responses 14/11/2017
[CIB] Pairs Scoring Notebook no responses 14/11/2017
Price Check on PSP on April 28 2014 no responses 14/11/2017
Is there way to send some data to external service? 1 response 13/11/2017
How to deal with splits in live trading? 2 responses 13/11/2017
Fundamental analysis using Pipeline 6 responses 13/11/2017
real trading 1 response 13/11/2017
Simple Moving Average Strategy no responses 13/11/2017
Getting started with a simple algorithm 1 response 13/11/2017
Fundamentals - python ..... help ..... 8 responses 13/11/2017
Is the paper trading by QuantOpian also shutted down? 6 responses 12/11/2017
How to use Monte Carlo simulation to prove and find entropy with python? no responses 12/11/2017
How do I create Filters from comparing dates (not usual factor with numerical values)?? 3 responses 12/11/2017
MACD signal 9 responses 11/11/2017
How to close a position after a certain number of days? 3 responses 11/11/2017
.. no responses 11/11/2017
OLHC data to Renko ThreeLine Break and Point and Figure Data Frame format Python programming no responses 11/11/2017
In algorithm, MACD comparisons for several days 1 response 11/11/2017
Error in line about buy count(bc) no responses 11/11/2017
Attempt at risk control 9 responses 10/11/2017
Magic Formula 14 responses 10/11/2017
Test Optimization APY clone no responses 10/11/2017
running backtest locks up my browser 6 responses 10/11/2017
RSI 30/70 not good(need to be implement) no responses 10/11/2017
Where do I go from here? What to do with risk model output? 1 response 10/11/2017
QTradableStocksUS volume no responses 10/11/2017
Counting Up days in a Notebook 1 response 10/11/2017
Easy way to grab a snapshot of entire portfolio? no responses 09/11/2017
Portfolio Construction and trace its performance 1 response 09/11/2017
Looking for insight on my first algo. Currently will not run. 2 responses 09/11/2017
The result of Backtest - 2 4 responses 09/11/2017
Troubles trying to implement my first signal 4 responses 08/11/2017
Introduction to the Quantopian Risk Model in Research 25 responses 08/11/2017
The Result of Backtest 2 responses 08/11/2017
New Tool For Quants: The Quantopian Risk Model 70 responses 08/11/2017
Risk-Constrained Portfolio Optimization 1 response 08/11/2017
Q Fund Down 3% Since June 9 responses 08/11/2017
Working On Our Best Universe Yet: QTradableStocksUS 30 responses 08/11/2017
Bug on dividend yield 9 responses 08/11/2017
Psychsignal Algorithm Using New QTradableStocksUS Universe 2 responses 08/11/2017
Algo from the three books by Al Brooks 1 response 08/11/2017
Level 2 Data 2 responses 08/11/2017
Five call limit for "fetch_csv" 2 responses 08/11/2017
New Default Commissions and Capital 5 responses 08/11/2017
help no responses 08/11/2017
dividend option 6 responses 07/11/2017
Trailing Twelve Months (TTM) with As Of Date 4 responses 07/11/2017
November 2017 Update to the Community 20 responses 07/11/2017
IB-insync for interactive live data to explore in Jupyter Notebook 4 responses 07/11/2017
Help me find error in code? 4 responses 07/11/2017
2017 SUFFOLK PROJECT # 1 14 responses 06/11/2017
Alternative Data: The Good, The Bad, and the Useless (?) 10 responses 06/11/2017
Using Contract Win Data From EventVestor no responses 06/11/2017
NO Price Data At All ! 25 responses 06/11/2017
Quantopian Credibility: What is the formula used for Scoring the Contest. I'm not understanding what I'm seeing. Can someone provide some insight to the below? 14 responses 06/11/2017
SMA strategy no responses 06/11/2017
Doesn't backtest in quantopian auto-adjust split issue? Is it a bug? no responses 06/11/2017
Getting key error while querying for futures prices 2 responses 05/11/2017
Problems with fetching historical data of a specific time 2 responses 05/11/2017
The last improvments to My Algorithms page. 11 responses 05/11/2017
Standard Deviation for stocks no responses 05/11/2017
Is it possible to import your own signals from Excel and then backtest with Quantopian? no responses 05/11/2017
Performing Regression on Historical EPS? 1 response 04/11/2017
Moving Linear Regression with Slope and R-squared Custom Factors? 2 responses 03/11/2017
Using context in a custom slippage model? no responses 03/11/2017
Algo with moving averages no responses 03/11/2017
How can I shift the date to the nearest trading day? 1 response 03/11/2017
ChiPy FinSIG - Nov 2nd - Portfolio Optimization 9 responses 03/11/2017
Fibonacci Retracement Algorithm Attempt: Please Evaluate 7 responses 03/11/2017
SMA - really basic no responses 03/11/2017
Hello, so this is part of my investment strategy course, and I am still trying the basic moving average method. no responses 02/11/2017
Moving averages SMA_10 days-SMA_30 days no responses 02/11/2017
Some basic question about quantopian 1 response 02/11/2017
Simple Moving Average Algorithm 1 response 01/11/2017
Newbie need helps with Migration an algo from quantopian1 to the current quantopian no responses 01/11/2017
Help - Simple Moving Average & RSI implementation 1 response 31/10/2017
Custom Factor Issue 10 responses 31/10/2017
Is it possible to import a dataframe created during backtest into research? 4 responses 31/10/2017
i want one code to trade algo in Upstox no responses 31/10/2017
how can I get today's asset close price after market is close. 1 response 31/10/2017
Expected Move Using HVol no responses 31/10/2017
1 no responses 30/10/2017
2 Part Question -1) please poke holes in this strategy 2) how do you search for long/short pairs? 7 responses 30/10/2017
Need help with IPO strategy no responses 30/10/2017
Anything wrong with this algo? 8 responses 30/10/2017
create trailing stop loss function 2 responses 29/10/2017
Time limit for schedule function? 2 responses 29/10/2017
Cannot convert data type to float? 2 responses 29/10/2017
Trying to obtain the amount of stocks owned for a list of securities without a for loop 2 responses 29/10/2017
Query Expiration Date of a Futures Contract 3 responses 28/10/2017
ETF Rotation Strategy from LazyTrader 5 responses 28/10/2017
Submitted Contest Algo That Is Constantly Hedged But Didn't Receive The Green Badge? 1 response 28/10/2017
using data.history with fetch_csv? no responses 28/10/2017
Deleted no responses 27/10/2017
Deleted no responses 27/10/2017
How to get the right time series 4 responses 27/10/2017
Get started with SPY 1 response 27/10/2017
RSI / SMA tracking ROI before selling 3 responses 27/10/2017
Issue computing partial moments 5 responses 27/10/2017
Weighting when no stocks appear in short / long results 1 response 27/10/2017
How to calculate the cash value in "Daily Positions & Gains" of backtest result no responses 27/10/2017
How is context.account.leverage calculated? 1 response 27/10/2017
First Algorithm 1 response 27/10/2017
Anyone here who can share their experiences with https://info.cloudquant.com/ 1 response 27/10/2017
Problem importing Clinical Trials Dataset 1 response 27/10/2017
How to get future price beyond its auto_close_date 7 responses 27/10/2017
getting odd accuracy scores in machine learning no responses 27/10/2017
Getting Started - Open and close prices question 1 response 26/10/2017
Futures prices mismatch: notebook vs algorithm 3 responses 26/10/2017
Algo wont let go of position 2 responses 26/10/2017
Developing some ideas... 23 responses 26/10/2017
How do I use a factor on my universe of stocks 4 responses 26/10/2017
Research notebook not responding 1 response 26/10/2017
Retrieve volatility for last 'x' days no responses 26/10/2017
revisiting an old HFT strategy 2 responses 26/10/2017
Notifications for Trades in Live Trading Algorithm no responses 25/10/2017
Research notebook frozen 1 response 25/10/2017
My first Algorithm on Quantopian 1 response 25/10/2017
Live Webinar Tomorrow: Basic Statistical Arbitrage no responses 25/10/2017
Correct way to compute RSI in a moving window with small time interval. 1 response 25/10/2017
Trade purely using traditional candlestick pattern 9 responses 25/10/2017
Correlation between the top US equities over time 4 responses 24/10/2017
Fundamentals from a month ago 2 responses 24/10/2017
Custom Intraday Bars 5 responses 24/10/2017
Please white list Arch module 1 response 24/10/2017
Trying to parse Introduction to Numpy Lecture no responses 23/10/2017
Searching For a Programming Partner no responses 22/10/2017
Sharpe Ratio Factor? 1 response 22/10/2017
Can't fill a single order of the most liquid future contract? 11 responses 22/10/2017
Newbie here - help with runtime error 11 responses 22/10/2017
First AI-Machine Learning ETF launched a few days ago... 3 responses 22/10/2017
Futures current_chain() not functioning properly? 1 response 22/10/2017
hi, I have daily option, er date, earnings estimation data, how can I provide such data as a service? no responses 22/10/2017
Help with Robinhood Integration. 1 response 22/10/2017
Why all the nan's 2 responses 22/10/2017
current() is not necessary? no responses 21/10/2017
10 or 5 years SALES CAGR no responses 21/10/2017
Strange Numpy warning in algorithm log (minimal example attached) no responses 21/10/2017
Dividend Yield average 5 yrs no responses 21/10/2017
Statistical arbitrage using Gaussian Copula [deleted post] 7 responses 21/10/2017
Intraday algorithm using gaussian copula [deleted post] 7 responses 21/10/2017
Different data from Notebook vs Algorithm? 1 response 21/10/2017
How can I live trade my algorithm? Is there any way? 1 response 21/10/2017
Attempted 3x Leveraged Short with Beta Zero-Targeting Algorithm 3 responses 20/10/2017
"Three-Dimensional Time: Working with Alternative Data" Webinar 1 response 20/10/2017
Is there anyone willing to sell me a student ticket for Toronto Quantopian Workshop? 1 response 20/10/2017
Any guide for foreign investors to do LIVE trading via Quantopian? 1 response 20/10/2017
Submitted a Billion Dollar Algo 67 responses 19/10/2017
Trouble with selling positions 1 response 19/10/2017
CJ FINAL FIN 650 PORTFOLIO OPTIMIZATION - MAX SHARPE RATIO no responses 19/10/2017
Sliding Linear Regression based Momentum Strategy 2 responses 19/10/2017
Adding a custom (non-standard) column to a Panel to use in handle_data (ZIPLINE) no responses 19/10/2017
Local_csv recall 1 response 19/10/2017
Any reason my data frame is coming back empty and orders aren't being placed??? 5 responses 19/10/2017
Sentiment Analysis Algorithm Pipeline 2 responses 18/10/2017
Estimize Pre/Post-Earnings Signal Strategy 1 response 18/10/2017
Looking for an experienced data scientist and QP back tester no responses 18/10/2017
error 2 responses 18/10/2017
Inconsistent results, a mystery not yet solved 1 response 18/10/2017
JOMELI PAIRS TRADE II 1 response 18/10/2017
Algorithms/Backtest vs Notebook Pipeline - different results 1 response 18/10/2017
Quantopian starts fund for outside investors 3 responses 18/10/2017
Andy Brim USUInvests - somebody see if you can figure out the context.buy=0.0 problem 1 response 17/10/2017
Reversal During Earnings-Announcements algorithm no responses 17/10/2017
Futures don't automatically roll-over? 3 responses 17/10/2017
looking for help with Pipeline computation 10 responses 17/10/2017
Didier Sornette's Strategy to Exploit Return Correlations 1 response 17/10/2017
Robinhood PennyStock Rotation (Using PsychSignal Data) - 100%+/Year 22 responses 17/10/2017
PsychSignal & Basic Machine Learning Models V2 | UPDATE: Ordering Issue Solved | Added Notebook That Explains Reasoning 102 responses 17/10/2017
How to code on a 1 day timeframe 1 response 16/10/2017
rankings 15 responses 15/10/2017
The field "last_traded" doesn't work in data.current method 2 responses 15/10/2017
Quantopian Assets Prices Doesn't Match Real Prices 3 responses 15/10/2017
Price close inconsistent in data.history no responses 15/10/2017
Robinhood Based Non Day Trading Algo (yes i can still trade on robinhood) 17 responses 14/10/2017
Plotting unrealized P/L for further analysis no responses 14/10/2017
Date of last order execution to get price from that date 1 response 14/10/2017
backtesting terminated, we have started trading with real money since June 2017 no responses 14/10/2017
About unfair allocation of capital at Quantopian 7 responses 14/10/2017
Have a pipeline index but says I have an empty data frame and my algo isn't actually purchasing equities no responses 14/10/2017
Help port Matlab function to Python 2 responses 13/10/2017
Compute Number of Profit/Loss Days 2 responses 12/10/2017
How do I code my EA to execute only one buy and one sell order per day? 1 response 12/10/2017
Live trading setup 4 responses 12/10/2017
importing libraries to quantopian (web ide) 5 responses 12/10/2017
Strange contest scoring? 10 responses 12/10/2017
Can someone help me understand where I'm going wrong with pipeline? 1 response 12/10/2017
Help needed debug my algorithm, no stock output 3 responses 11/10/2017
AttributeError: 'module' object has no attribute dependencies 4 responses 11/10/2017
Andy Brim USUInvests MVA Daily Strategy 5 responses 11/10/2017
Python Pairs Trading - should the lookback period of the beta calculation match lookback period of the z-score? 2 responses 11/10/2017
Best Metrics to Predict "average stock price" no responses 11/10/2017
Negative returns resulted positive Sharpe and positive Sortino 9 responses 10/10/2017
Help migrating from get_fundamentals to Pipeline? 1 response 10/10/2017
Confused with Robinhood and Quantopian integration 3 responses 10/10/2017
Negative Sharpe Ratio for a positive return. why? 9 responses 10/10/2017
Initial schedule 2 responses 10/10/2017
New Class 2 responses 09/10/2017
Chicago users : Explore Quantopian as a group 1 response 09/10/2017
There is any term to call the value for "closing price - opening price" = ? 4 responses 09/10/2017
Futures historical intraday prices (beginner) no responses 09/10/2017
Request for module https://pypi.python.org/pypi/pyvine/0.5.0 1 response 09/10/2017
Help with Alphalens on Infrequent Data 3 responses 09/10/2017
can my strategy read a .csv or equivalent that I upload? 3 responses 09/10/2017
Relative Value Arbitrage Algorithm no responses 08/10/2017
New to coding (Python, anyway), problem with pipeline screen 1 response 08/10/2017
Price Data Absent For Equities 4 responses 07/10/2017
Bug in popular quantopian future pairs trading algo 2 responses 07/10/2017
Beginners Help 1 response 07/10/2017
Beating a biased coin no responses 07/10/2017
What are most important HFT algorithms that have the potential (need) to be implemented in hardware accelerators (FPGAs/ASICs etc) no responses 07/10/2017
Webinar: Three-Dimensional Time: Working with Alternative Data no responses 06/10/2017
Coin flip experiment 6 responses 05/10/2017
unable to use optimise api 1 response 05/10/2017
Delete post no responses 05/10/2017
Contest ranking system: please remove the incentive for bad form 2 responses 05/10/2017
New here 1 response 04/10/2017
Bloomberg Article on AI & Hedge Funds no responses 04/10/2017
alphalens - what does it do? 30 responses 04/10/2017
Low Capital Robinhood Penny Stock Trading Algo - LOW BETA 7 responses 04/10/2017
Timestamps in log seem wrong 2 responses 04/10/2017
Volatility III - XIV/VXX Strategy. (Another One...) 4 responses 04/10/2017
Digging Deeper Into Backtest Performance 8 responses 04/10/2017
Does Quantopian allow multithreading? 8 responses 04/10/2017
First time with aglo-trading, 20% return based on small but interesting modification no responses 03/10/2017
Looking to create stock screener 6 responses 03/10/2017
Announcement: Research API Additions 6 responses 03/10/2017
Can I use futures pricing history in an equities algo? 1 response 03/10/2017
How to get TimeStamps for history in CustomFactor 3 responses 03/10/2017
¡ We found the best fundamental equity ratio ! 7 responses 03/10/2017
Newb here . it said i have a run error on line 18. any advice would be appreciated. thanks! 1 response 03/10/2017
Could I use Quantopian to test strategy with my own historical data (.csv)? 4 responses 03/10/2017
Is Paper Trading going to shut down? 2 responses 03/10/2017
Margin cost 2 responses 02/10/2017
get_backtest ETA is about 5 hours 1 response 02/10/2017
Equity LongShort Single Momentum with Roughness Adjustment no responses 02/10/2017
Accessing "Current" Vix Data in the Pipeline 5 responses 02/10/2017
Help Wanted: Question for College Project (quant finance careers) no responses 02/10/2017
Trading algo: how to interpret resuts 14 responses 02/10/2017
CIB no responses 01/10/2017
Analyzing a list of stocks on notebook 1 response 01/10/2017
Singapore Conference / Questions Regarding Optimize API 29 responses 01/10/2017
Chunksize for Pipeline in Research 7 responses 01/10/2017
High freqyency tradeing 1 response 30/09/2017
accessing positions held within pipeline? 10 responses 30/09/2017
Cancelling limit order when stop order is hit and vice versa. no responses 30/09/2017
QuantCon Singapore Hackathon 2017 1 response 30/09/2017
Test #11 no responses 29/09/2017
Data from Quantopian not matching other data sources 3 responses 29/09/2017
Can handle_data Be Delayed To Start By X Minutes? 4 responses 29/09/2017
Dealing with unfilled stopped out positions in order to remain hedged 4 responses 29/09/2017
Installing zipline-live on windows and conda 6 responses 29/09/2017
Algo with Support Vector Machine in Pipeline 29 responses 29/09/2017
Silly Question About Pandas Alignment 2 responses 28/09/2017
Post Broker Integration with Robinhood API no responses 28/09/2017
How To Use Weekly Data in MACD? 2 responses 28/09/2017
Comunidad de Quantopian en ESPAÑOL en FB. Spanish quantopian Community in FB 4 responses 28/09/2017
Day Trading BAC no responses 28/09/2017
LOOKING FOT PYTHON PROGRAMER PARTNER. 2 responses 27/09/2017
Problems with KeyError 2 responses 27/09/2017
Help converting one of the momentum factors in the Quantopian Lecture series to a factor no responses 27/09/2017
usu invests rando calarizian no responses 27/09/2017
Quantopian Lecture Series: Measuring Momentum 7 responses 27/09/2017
super notenbook 1 response 27/09/2017
kvetching - the editor seems very buggy when it comes to indentation 17 responses 27/09/2017
change `set_symbol_lookup_date` as algorithm runs no responses 26/09/2017
no XIV with zipline-live? 11 responses 26/09/2017
Alphalens versions 2 responses 26/09/2017
Value at Risk (VaR) and Portfolio Management no responses 26/09/2017
Contest rules 1 response 26/09/2017
rewriting some MAVG to rolling_mean() 2 responses 25/09/2017
Best performing algorithms so far 1 response 24/09/2017
Need help with my 2x leverage backtest code 4 responses 24/09/2017
Zipline Intraday Trading no responses 24/09/2017
High returns low alpha 1 response 24/09/2017
Is this a "bad" copy of Quantopian? 2 responses 23/09/2017
Testing with given algorithm with no tweaks no responses 22/09/2017
Sortino no responses 22/09/2017
Ballistic XIV/VXX (my best long XIV/VXX strategy to date) 92 responses 22/09/2017
Delist problem in backtesting cause overestimated the returns! no responses 22/09/2017
Slicing futures data to look at specific times in research. no responses 21/09/2017
Ensemble Model in R no responses 21/09/2017
favorite strategies used? no responses 21/09/2017
Problem reaching Quandl data 3 responses 21/09/2017
Futures: How to trade outside Regular Trading Hours (RTH) ? no responses 21/09/2017
Experienced economist seeking advice 6 responses 21/09/2017
noob here 1 response 20/09/2017
adding IPO's to pipeline almost works no responses 20/09/2017
Confusion about beta 5 responses 20/09/2017
Relative Value Arbitrage Algorithm no responses 20/09/2017
USUInvests Andy Brim Tutorials Algo no responses 19/09/2017
Remove Securities from pipeline. 1 response 19/09/2017
My First Algo 2 responses 19/09/2017
Delay in Market Data in Research Environment no responses 19/09/2017
Plotting variables on two different windows no responses 18/09/2017
How to call a function only ONCE ? 5 responses 18/09/2017
the label [label] is not in the [index] 3 responses 18/09/2017
How To Access Dictionary with Pandas? 4 responses 18/09/2017
Adding capital to the portfolio no responses 17/09/2017
Trying to get max MACD value over past 15 periods no responses 17/09/2017
Question about state stored in context 3 responses 17/09/2017
New, Seeking Help 2 responses 17/09/2017
Need help to code portfolio with 50% market timing 2 responses 17/09/2017
Error on Quantopian resulting from using a for loop to transverse a universe of securites made with pipeline 1 response 17/09/2017
General notebook question 1 response 17/09/2017
Leverage Issues with Futures and Optimize API 2 responses 17/09/2017
New and need help with something basic (I hope) 2 responses 17/09/2017
Correlation, Covariance, Variance, and how they relate to Beta no responses 16/09/2017
IPCC Aggregation Targets for 1.5 no responses 16/09/2017
Brokerage Integrations come and go, but Algos are forever (or, "This is my first/last algo, thoughts appreciated!") 3 responses 16/09/2017
Pairs Trading with Natural Language Processing 2 responses 15/09/2017
Future trading test error 2 responses 15/09/2017
Empirical Analysis of Stock Markets (Late Morning Weakness) 1 response 15/09/2017
Live Trade with IB - The option has disappeared 1 response 15/09/2017
Commissions not calculated taken into account no responses 14/09/2017
Backtest of 1st Algorithm no responses 14/09/2017
Backtest - Difference between the price in limit order and the executed price (transaction detail) 6 responses 14/09/2017
Difference between weekly return vs transactions (sold - bought)? no responses 14/09/2017
Beginners Luck? 1 response 13/09/2017
Fundamental pipeline 3 responses 13/09/2017
Simple Trading Strategy CSV Question 2 responses 13/09/2017
multiple custom factors no responses 13/09/2017
Doubts about how to maintain (roll) a future positon? 2 responses 13/09/2017
"get_pricing" Potential Bug 2 responses 13/09/2017
First Pipeline Try Help on Pipeline creation 2 responses 13/09/2017
Print 1 Minute Closing Price no responses 13/09/2017
Andy Brim Gold/Silver Basic Pairs Trading Strategy 2 responses 12/09/2017
Bullish Aggies Beginner Code Simple Moving Algorithm v2 no responses 12/09/2017
Bullish Aggies Beginner Code Simple Moving Algorithm no responses 12/09/2017
Profit with fundamentals, special short weight no responses 12/09/2017
Profit with fundamentals no responses 12/09/2017
No profits here no responses 12/09/2017
Fetch CSV Sids vs Symbols no responses 12/09/2017
Fama-French Three Factors Model Plus KDJ Indicator Long-term Trading Strategy no responses 12/09/2017
Fractional cents being rounded? no responses 12/09/2017
Live Trading Help no responses 11/09/2017
"Making the Grade: A Look Inside the Algorithm Evaluation Process" Live Webinar on September 13th 1 response 11/09/2017
It would be interesting to see quantopian share with us a factor model that does vol weighted position sizing. no responses 11/09/2017
Error returned in IDE for "range_specifier" as an unexpected argument for get_fundamentals() 2 responses 11/09/2017
Fetch CSV Problem and Question no responses 11/09/2017
need help: calculate volatility for every column in data frame 1 response 11/09/2017
Reasonably priced historical data sources for minutely data no responses 11/09/2017
Price difference between that from Algo-Plattform and from the Notebook 1 response 11/09/2017
VXX backtest price data not matching research notebook or yahoo finance price no responses 11/09/2017
number of entries per user no responses 11/09/2017
EMA Not Working - (EMA & RSI) no responses 11/09/2017
Day trading within whole numbers no responses 10/09/2017
SMA crossover w/ fundamental data issue no responses 10/09/2017
how to generate a table of average daily return ? no responses 10/09/2017
Selling incorrect figure for only 1 ticker? 3 responses 10/09/2017
Contest Backtest Results is different from Research Backtest Results 1 response 09/09/2017
Pulling all history without specifying exact days? no responses 09/09/2017
Backtest using EMA20 & EMA50 on AAPL no responses 09/09/2017
How To Use Minute By Minute Data To Trade? no responses 09/09/2017
How to keep leverage close to 1 2 responses 08/09/2017
Google Finance Historical Stock Prices 12 responses 08/09/2017
"get_fundamentals" to be deprecated 3 responses 08/09/2017
use o ETFs in a contest 2 responses 08/09/2017
Historical Seasonal Statistics For Any Yahoo Finance Symbol no responses 07/09/2017
How To Use Your Own Stocks with Quantopian? 10 responses 07/09/2017
Vol weighted Futures strategy no responses 07/09/2017
Determining the fastest profitable timeframe for a low-frequency intraday algo for a retail trader? 1 response 06/09/2017
Can I call a Matlab function? 1 response 06/09/2017
How to work around weekly schedule with markets closed no responses 06/09/2017
Linear regression without targets possible in pipeline? 9 responses 06/09/2017
invalid syntax at elif line. What have I done wrong? no responses 06/09/2017
21 Days Until QuantCon Singapore! 2 responses 06/09/2017
Schedule function: @beginning of hour open orders, @ close of hour close all orders, @ beginning of next hour open orders... and repeat no responses 06/09/2017
ETF Only Pipeline 3 responses 05/09/2017
Brain-storm of a theory: intraday deep learning no responses 05/09/2017
Equity Long-Short with Naive Beta 2 responses 05/09/2017
Why the calculated SMA is quite different by using Built-in Factor and by talib.SMA()? 4 responses 05/09/2017
How to get Today's low? no responses 05/09/2017
trading multiple stocks in arrays 1 response 05/09/2017
14 Sharpe Intraday no responses 04/09/2017
Golden/Death Cross Implementation with Pipeline no responses 04/09/2017
long-short multi-factor template no responses 04/09/2017
How much would you pay somebody to make you a minimum of 25% per annum? 10 responses 04/09/2017
Custom Factor or TA Lib function to screen universe by High/Low range % 5 responses 04/09/2017
sklearn.preprocessing.robust_scale not available? 4 responses 04/09/2017
Pipeline does not adjust for splits 3 responses 04/09/2017
Robinhood no responses 04/09/2017
Formula to replicate sharpe value shown in backtest in my actual algo 1 response 04/09/2017
Simple Algorithm 1 response 04/09/2017
load_bars_from_yahoo price data incorrect 1 response 04/09/2017
Problem with cost_basis no responses 03/09/2017
ValueError: Usecols do not match names 2 responses 03/09/2017
Making a Web Request for Dynamic Data 2 responses 03/09/2017
logging limits + debugging of timeouts no responses 03/09/2017
Custom Factor output with window, most recent to last? or the other way around? 1 response 03/09/2017
Quantopian open contest 26 results 1 response 03/09/2017
Sector Returns? no responses 03/09/2017
Function to return unrealized gains/losses per security in portfolio? no responses 02/09/2017
Screening stocks with positive earnings for the past years no responses 02/09/2017
Contest 27 Results 6 responses 02/09/2017
Quantopian Notebook running locally no responses 02/09/2017
Fundamentals with all positive weights no responses 02/09/2017
Trading with fundamentals, corrected weights no responses 02/09/2017
Trading with fundamentals, corrected weights and MFI no responses 02/09/2017
Need help with local_csv() in Research 1 response 02/09/2017
Return top N stocks by marketcap 1 response 02/09/2017
Futures Data Issue 1 response 01/09/2017
Trading on fundamentals, with MFI threshold no responses 01/09/2017
Optimize API Required For Allocations 15 responses 01/09/2017
Optimize API Generally Available 20 responses 01/09/2017
Classifier issue within a pipeline (morningstar works, Fundamentals does not) 1 response 01/09/2017
Only trade if win rate of past 10 trades is >= mean win rate 2 responses 01/09/2017
Please delete this post no responses 01/09/2017
New to Python/Quantopian no responses 01/09/2017
Quantopian ending brokerage support for Robinhood and Interactive Broker 1 response 31/08/2017
Common Probability Rules to Employ in Automated Trading Strategies? 4 responses 31/08/2017
Using Zipline with less than minute resolution (seconds bars resolution) 4 responses 31/08/2017
Replicating Paper Trades on Real Money Accounts? 3 responses 31/08/2017
Live Trading Suspension - Question to Management 4 responses 31/08/2017
Pipeline Filter doesn't work 4 responses 31/08/2017
How can I get current stock price in notebook? 1 response 31/08/2017
Is there a BUG in calculating Annualized Volatility results in 34x of max possible move affecting Contest 27 ranking? 8 responses 30/08/2017
To Alpha, or not to Alpha 17 responses 30/08/2017
order of values in compute method of Factor 2 responses 30/08/2017
Can Alaphalens analyze boolean factor? 1 response 30/08/2017
clustering example from yesteryear 4 responses 30/08/2017
Sortino Analysis on SPY no responses 30/08/2017
Slow Stochastic CustomFactor Error no responses 30/08/2017
Weighted Moving Average 1 response 30/08/2017
Custom Factor with boolean values? 4 responses 30/08/2017
No Option to Live Trade via Broker 1 response 29/08/2017
Pairs Trading with Machine Learning 45 responses 29/08/2017
SPY 200MA Long Short, Low Frequency 1 response 29/08/2017
unable to execute in contest 7 responses 29/08/2017
leaderboard 15 responses 29/08/2017
Shorts backtest simulations. 2 responses 29/08/2017
Value error Cross correlation: Object too deep for desired array no responses 29/08/2017
Wondering why on someday xiv did not track vxx correctly? 3 responses 29/08/2017
question about order_target_percent 2 responses 29/08/2017
Is there a better way to keep a track of certain stock's profits and loss so that we can buy more or less 1 response 29/08/2017
What's wrong with my algo? Up 1600%+ over 14 years 18 responses 28/08/2017
Values used by the history function of data object 1 response 28/08/2017
.. no responses 28/08/2017
CBOE_VIX Help no responses 28/08/2017
What input dataset to use for quantitative strategy rules? no responses 28/08/2017
How can I use Fundamental data by morningstar in my algorithm? 1 response 28/08/2017
No objects to concatenate,using alaphalens to analysing my own factor 6 responses 28/08/2017
hi, I need some help with the fetch_csv function no responses 28/08/2017
Portfolio Optimization with the Minimax algorithm [help needed] 7 responses 28/08/2017
Log-Normal Returns in Pipeline no responses 28/08/2017
Log Normal Return Built-in Factor 10 responses 28/08/2017
Zipline Question For Q1500US 3 responses 28/08/2017
Trading with the unofficial Robinhood API w/ Code examples 6 responses 28/08/2017
Trading with K-Means and LASSO Regression 6 responses 27/08/2017
ishares ETF no responses 27/08/2017
Percentile of ponderated factor based on sentiment Twitter analysis (help) no responses 27/08/2017
Risk Parity integration with IB no responses 27/08/2017
Passing Factor data from pipeline into TradingAlogrithm? 5 responses 27/08/2017
Fundamentals trading backtest no responses 27/08/2017
Machine Learning Growth Algo no responses 27/08/2017
Is it possible to use 'order' function with fetched data which has not been in original symbols in Quantopian? 4 responses 27/08/2017
Pipeline Factors: Are we able to add limits? (Max/Min) 3 responses 27/08/2017
WQU - Portfolio Project no responses 26/08/2017
Zipline-Live API says it has 3 things, missing them no responses 26/08/2017
Fetcher Ticker Mapping no responses 26/08/2017
Looking a recommendation for a Python developer 3 responses 26/08/2017
TALib fit for purpose ? no responses 26/08/2017
Premarket Data 1 response 26/08/2017
Faster Fundamental Data 125 responses 25/08/2017
Fetch CSV Google Drive 4 responses 25/08/2017
Fundamental Pipeline with several restrictions 1 response 25/08/2017
Never mind. 2 responses 25/08/2017
Do you think this algorithm is good for real life trading? 1 response 24/08/2017
Executing Trades for Multiple Stocks With One Context and 1 response 24/08/2017
IBridgePy Setup 31 responses 24/08/2017
list of futures contract to run "for" loop no responses 24/08/2017
Pairs Trading: rolling beta in real time trading no responses 24/08/2017
Sharing my journey.. a rough cut at Sharpe 1.7 10 responses 24/08/2017
Phasing out Broker Integration(Copy) 1 response 24/08/2017
Ranking Stocks By Market Cap and Executing Orders By Comparing MA 20 and MA 50 of the stocks no responses 24/08/2017
Questionnaire for Quantopian Live-Brokerage Traders 13 responses 24/08/2017
Any live dataset for After Hours / Pre-Market trading? no responses 24/08/2017
Pairs trader with Hurst, ADF, and Half life tests feedback. 3 responses 24/08/2017
Weekly reversal_170823_2 no responses 23/08/2017
Can somebody help me on this please? 1 response 23/08/2017
Weekly reversal_170823_1 no responses 23/08/2017
[deleted] 1 response 23/08/2017
[deleted] 2 responses 23/08/2017
[deleted] no responses 23/08/2017
Mean Reversion Strategies: Creating a Stationary Time Series and Hedge Ratio Problems 4 responses 23/08/2017
[deleted] no responses 23/08/2017
Weekly reversal_170823 no responses 23/08/2017
Newbie Pipeline/Custom factor error: pipeline output 'nan' or 'int' instead of key type no responses 23/08/2017
Porting Live Trading from Quantopian 4 responses 23/08/2017
Pipeline - Custom Factor : random value no responses 23/08/2017
Looking for a way to tell if a stock is being hold 1 response 23/08/2017
Any success with unofficial Robinhood API? 3 responses 23/08/2017
Late Morning Weakness no responses 23/08/2017
Trade SPY on options expiration date no responses 23/08/2017
US equities 3.2 Sharpe Intraday algo 7 responses 23/08/2017
asdasd 7 responses 23/08/2017
ASDASD 1 response 23/08/2017
ASDASD 7 responses 23/08/2017
ASDASD 8 responses 23/08/2017
ASDASD 5 responses 23/08/2017
ASDASDS 4 responses 23/08/2017
ASDASDASD 1 response 23/08/2017
ASDASDASD 3 responses 23/08/2017
ASDASD no responses 23/08/2017
Breadth Momentum and Vigilant Asset Allocation (VAA) no responses 23/08/2017
For Robinhood users affected by the Live Shutdown: 5 responses 23/08/2017
get_fundamentals 1 response 23/08/2017
The other two thirds of the year of live trading 8 responses 23/08/2017
Can we have more meaningful datasets please? 9 responses 23/08/2017
"VXX Short Master v1.0" (REQUESTING HELP/COLLAB) 55 responses 23/08/2017
my first algo, TTM Squeeze Code and some questions followed no responses 23/08/2017
Is the end of live trading really a deal breaker? 13 responses 23/08/2017
Inquiry for peer review 2 responses 23/08/2017
Can PriceEquityPricing provide today data no responses 23/08/2017
calculate moving average of past days 2 responses 23/08/2017
Why does the usual Python "and" not work with filters? no responses 23/08/2017
Pipeline Output works in research, but produces empty dataframe in IDE? no responses 23/08/2017
How to generate matrix of returns from Q500US no responses 22/08/2017
In light of Quantopian shutting down live trading, what would be the alternative option? 96 responses 22/08/2017
Base universe and masking 1 response 22/08/2017
Live Trading Shutdown Alternative - Let Us Pay You. 10 responses 22/08/2017
Phasing Out Brokerage Integrations 324 responses 22/08/2017
Quantopian is Ending Broker Integration and Live Trading? 20 responses 22/08/2017
Github: IBTrader live trading abstraction 7 responses 22/08/2017
Live trading being shutdown: My Response. 4 responses 22/08/2017
Robinhood and zipline-Live.io as Quantopian stops trading support 22 responses 22/08/2017
How to synchronize the date between the get_pricing() and local_csv()? 2 responses 22/08/2017
Help with creating a data series of differences 1 response 22/08/2017
1st algo - Any suggestions 2 responses 22/08/2017
Help (on what I think is a simple Algo) 2 responses 22/08/2017
please help me with Keltner Channel Factor to finish ttm squeeze no responses 22/08/2017
How do I find out what my codename for the leaderboard is? 2 responses 22/08/2017
About # of securities on Q1500US() 2 responses 22/08/2017
Can CustomFactor return a multi dimensional array? 10 responses 22/08/2017
am i sticking to my initial + gained capital only? no responses 22/08/2017
fetch_csv and passing loaded .csv data to def handle_data(context, data): no responses 22/08/2017
Gold trading strategy using simple MACD with scary results 23 responses 21/08/2017
Enhanced Dual Momentum strategy using quarterly rotation 16 responses 21/08/2017
XIV Shotgun - Trading Inverse VIX with WVF 36 responses 21/08/2017
Trouble Connecting to Robinhood no responses 21/08/2017
Access Twitter and StockTwits Trader Mood data 18 responses 21/08/2017
Collaboration with multi indicator algo across small universe of stocks no responses 21/08/2017
Market/Security prediction using Machine Learning classifier and Google Trend data 9 responses 21/08/2017
Why order_target_percent not returning an valid orderId 1 response 21/08/2017
Still can't log into IB 2 responses 21/08/2017
A very crude mean reversion attempt 3 responses 21/08/2017
plotting data clusters sorted by the date no responses 21/08/2017
Assistance with first algo - excel / R user trying to figure out python - Robinhood no responses 21/08/2017
Example Notebook replicating backtest IDE? 5 responses 21/08/2017
What happened to the Estimize Revisions data? 1 response 20/08/2017
Recalling an algorithim no responses 20/08/2017
Monday after first Friday 1 response 20/08/2017
Finding the largest stocks at a given time in history? 8 responses 20/08/2017
Create a Native Trailing Stop Loss Order Type no responses 20/08/2017
Yolo 2 responses 20/08/2017
How to force the backtester to execute orders ? 5 responses 20/08/2017
Algo: Pipeline, High Dollar Volume, Changes 1 response 20/08/2017
OneHot encoding Sectors within pipeline factor call? no responses 19/08/2017
interest rate no responses 19/08/2017
Data Quality no responses 19/08/2017
how to make quintiles of quintiles in the pipeline no responses 19/08/2017
Importing machine learning and data mining packages 2 responses 19/08/2017
transactions don't add up with backtest results 3 responses 19/08/2017
Need help with tweaking/understanding algorithm 2 responses 19/08/2017
Best way to have thousands of stocks in your pipeline 5 responses 19/08/2017
Please help, why do my short positions keep rising 6 responses 19/08/2017
Tensor Flow. no responses 19/08/2017
Controlling Leverage and Not Buying Multiple Times 7 responses 18/08/2017
Exit Position Day Before Earnings Report 3 responses 18/08/2017
Bug on Live trading, when adding aditional cash to the account and using Robin Hood. 1 response 18/08/2017
Need help creating "Awesome Oscillator" 5 responses 18/08/2017
Problems logging into Live Trading on IB 1 response 18/08/2017
SEC Adopts T+2 no responses 18/08/2017
For our discussion no responses 18/08/2017
A very simple 1.25 Sharpe algorithm 6 responses 18/08/2017
Heads up - VXX will split 4:1 on August 23rd - is Quantopian engine ready? no responses 17/08/2017
First Test no responses 17/08/2017
Looking for Samples 4 responses 17/08/2017
What is the general impression of dealing with Robinhood so far? 5 responses 17/08/2017
When querying historical futures data during backtesting, closing prices for the same date are sometimes different. no responses 17/08/2017
Beginner tutorial video series no responses 17/08/2017
Understanding Alphalens analysis values: Alpha, IC Mean, Quantile Mean Turnover no responses 17/08/2017
Simple question... no responses 17/08/2017
Do I need slippage on limit orders? 13 responses 17/08/2017
Help me get_pricing from Pipeline results 3 responses 17/08/2017
Lots of live algo's failing with pipeline error .... 8 responses 17/08/2017
change in memory usage/availability? 8 responses 17/08/2017
percent change of the SPY in a graph (need help) 3 responses 17/08/2017
The Ultimate Volatility Strategy - XIV Assassin 5 responses 17/08/2017
Why so many transactions in sample algorithm? 1 response 17/08/2017
Which comes first? 3 responses 17/08/2017
Regarding Robinhood's buy orders 2 responses 17/08/2017
Error with timestamp function. Timestamp and NoneType. no responses 16/08/2017
Pipeline Error: Failure to get EPS from fundamental data. 2 responses 16/08/2017
Forward Fill in data.history vs pipeline using 1d vs 1m 7 responses 16/08/2017
why can't I place orders in back testing 1 response 16/08/2017
Multiple backtest in Pyfolio 1 response 16/08/2017
Dynamic Asset Allocation? 2 responses 16/08/2017
Serious bug in backtester? no responses 16/08/2017
Understanding CustomFactor class defaults no responses 16/08/2017
Research environment question no responses 16/08/2017
Still having issues connecting to IB 2 responses 16/08/2017
[Newbie question] Interpretation of transaction 1 response 15/08/2017
Overselling or keeping track of number of shares problem 2 responses 15/08/2017
Optimize API in zipline 2 responses 15/08/2017
How to deal with symbols that no longer exist in notebook no responses 15/08/2017
Average weekly price no responses 15/08/2017
IB Effectively Made VXX/UVXY un-tradeable with new margin requirements 48 responses 15/08/2017
In Sep 19, 2016 XLF had a fancy stock split and big dividend that is wrongly quantified in Quantopian database no responses 15/08/2017
is there an alternative to using the pipeline? no responses 15/08/2017
Algorithm Mashup 1 response 15/08/2017
RSI 2 XIV for 2017 YTD no responses 15/08/2017
Short vs sell no responses 15/08/2017
Major Algorithm Startup Issues This Past Week - Has This Been Resolved Or Not? 1 response 15/08/2017
How to automatically sell a stock if you lose or gain x% 1 response 15/08/2017
Basic Research Questions 1 response 15/08/2017
A naive attempt using Kinetic Component Analysis 6 responses 14/08/2017
when can we see quantopian's version of the daily ohlcv? 4 responses 14/08/2017
Running Zipline algorithm - KeyError: 'the label [2000-01-03 00:00:00+00:00] is not in the [index]' no responses 14/08/2017
Quick question about talib.STDDEV 2 responses 14/08/2017
[Help] My algorithm isn't buying anything? 1 response 14/08/2017
algorithm not buying anything 1 response 14/08/2017
Fetcher for a buy/sell signal no responses 14/08/2017
number of algorithms that can be run with robinhood? 6 responses 14/08/2017
Can't connect to IB? 4 responses 14/08/2017
Newbie question no responses 14/08/2017
Help with context.longs no responses 13/08/2017
number of algorithms that can be run with quantopian? 9 responses 13/08/2017
Trying to create tear sheet from backtest - NoSuchSymbols: Failed to find securities matching [] 5 responses 13/08/2017
Feature request: Expose chunksize in Pipeline API to allow predictable backtesting of compute intensive Pipelines without timeout no responses 13/08/2017
NUGT/DUST Combo short - surprisingly interesting results 4 responses 13/08/2017
How does transaction work in backtest ? no responses 13/08/2017
fetch a multiple columns csv error 1 response 13/08/2017
Why are there so many stocks with the same symbol but different ID, and how can I tell I picked the correct one? no responses 13/08/2017
XIV Assault (awesome moving average strategy for XIV/VXX) 3 responses 13/08/2017
XIV strategy that survived 2008 (don't miss this one!) 7 responses 13/08/2017
Getting past stock prices given a timestamp no responses 13/08/2017
Earnings Surprise Strategy 5 responses 13/08/2017
main acc 1 response 12/08/2017
Machine Learning With Multiple Random Forest Models Version 2 no responses 12/08/2017
Privacy Settings 1 response 12/08/2017
Getting Yesterdays Close Price 11 responses 11/08/2017
Is there a way to load data in form of json from local storage or from the network? no responses 11/08/2017
Futures data.history problem for JY & JE 1 response 11/08/2017
Backtest fails some times (not sure why) no responses 11/08/2017
Latest Bid-Ask Spread CSV no responses 11/08/2017
is this portfolio of any value? 8 responses 11/08/2017
no no responses 11/08/2017
check result no responses 11/08/2017
Speed please 1 response 11/08/2017
Where can I buy minute data (OHLCV) for Japan? no responses 11/08/2017
is this result of any value 3 responses 11/08/2017
How do I get a specific analyst estimate? no responses 11/08/2017
Article: Quant Funds vs Dumb Money 5 responses 11/08/2017
Sample Size no responses 10/08/2017
fetch_csv() is not importing minutes correctly 3 responses 10/08/2017
How to add moving averages to pipeline? no responses 10/08/2017
Is it possible to downsample fundamental data? 2 responses 10/08/2017
futures before_trading_start no responses 10/08/2017
What does it mean exactly when an asset is "restricted" according to data.can.trade()? 4 responses 10/08/2017
Paper Trading Positions suddenly emptied 2 responses 10/08/2017
ATR on futures no responses 10/08/2017
Linear Regression for Fundamental Factors 10 responses 10/08/2017
Can I re-deploy an algorithm after a few changes, without losing all the data? Or do I have to create a new one every time? no responses 10/08/2017
Calculate total commissions no responses 10/08/2017
The Power Of Sentiment Coupled With An Understanding Of Psychology -- NOTEBOOK ONLY 6 responses 10/08/2017
Sentiment Analysis Algorithm 4 responses 10/08/2017
Created this post to check on my backtest CAGR no responses 10/08/2017
Interday Trading with Quantopian / Robinhood feed own data? 1 response 09/08/2017
fetcher_csv() dropping rows 1 response 09/08/2017
Data Feed is Behind & "IB reports there is no current position in sid DF; removing from Quantopian blotter" 2 responses 09/08/2017
Feature request: scroll to the end of logs and search within logs 2 responses 09/08/2017
Adaptation from the Little Book that Beats the Market 2 responses 09/08/2017
PsychSignal Sample 1 Algorithm no responses 09/08/2017
Hello World no responses 09/08/2017
QUANTPRO369 - Intraday Algorithm Global Equities 1 response 08/08/2017
Channel Stocks from FinViz.com Website 3 responses 08/08/2017
is this result worth submitting? 21 responses 08/08/2017
Reinvest Dividends? 11 responses 08/08/2017
Can I still use the account when an algorithm is using it for trading? 3 responses 08/08/2017
before_trading_start timeout of 5 mins is not behaving correctly in backtester no responses 08/08/2017
test_sharing_notebook no responses 08/08/2017
Can we run quantopian code in normal text editor? 4 responses 08/08/2017
Request for module GMM 1 response 08/08/2017
Can I backtest a model that uses HSI stock data and trades HSI futures? 3 responses 08/08/2017
Optimize API maximize Sharpe ratio 7 responses 08/08/2017
Peak to trough calculation 1 response 08/08/2017
Question on data.history API 2 responses 08/08/2017
create a graph 1 response 07/08/2017
hang sang index 1 response 07/08/2017
market cap filter 1 response 07/08/2017
How to find execution price of sell order 5 responses 07/08/2017
Beta Contest Question 1 response 07/08/2017
PE Filter Not Working or Morningstar Data Issue? 1 response 07/08/2017
Data change? 6 responses 07/08/2017
Question on order_target_value 1 response 07/08/2017
Is buying or selling algorithms a thing and if so what are some good resources? 10 responses 07/08/2017
IDE, how to shift indented blocks left and right ? 2 responses 07/08/2017
Lazy-Person's Long-Short Strategy for Robinhood (1.4 sharpe) 10 responses 07/08/2017
Trading FAANG With PsychSignal Data V. 0 11 responses 07/08/2017
"Cost Basis"/Execution Price of Sell Order no responses 07/08/2017
Economic Hypothesis Test on Ideal Inflation Rate 4 responses 06/08/2017
IGNORE. WILL REPOST WHEN ISSUES ARE FIXED. 6 responses 06/08/2017
OperationalError: unable to open database file no responses 06/08/2017
nm no responses 06/08/2017
IBALGOL (Adaptive order type for IB) for live trading requested: repost 2 responses 06/08/2017
Clustering stocks with similar exposures to risk factors 5 responses 06/08/2017
How to do a hedged algorithm 8 responses 05/08/2017
Error with get_pricing() just started today (or last night)?: OperationalError: unable to open database file 4 responses 05/08/2017
Pyfolio tear sheet with my own return 12 responses 05/08/2017
S&P 500 market weighted average no responses 05/08/2017
Ordering continuous_future object 1 response 05/08/2017
THESIS RESEARCH no responses 05/08/2017
Q1500US vs get_fundamentals no responses 05/08/2017
Confused with regards to Limit Order Stop Price vs. Limit Price. Which should be set higher. I thought it was the Stop Price. no responses 05/08/2017
Multiple Model Machine Learning no responses 05/08/2017
How to run analysis in order to optimize parameters? 1 response 05/08/2017
2-Hour Backtest Limit vs handle_data() no responses 05/08/2017
Interest Rates v. Market Volatility 7 responses 04/08/2017
backtest of tutorial lesson 1 algorithm 2 responses 04/08/2017
Help Applying API pipeline to CANSLIM investing 5 responses 04/08/2017
Inter-listed Stock Abitrage Strategy no responses 04/08/2017
Date time formats for fetch_csv 1 response 04/08/2017
Beta in backtest seems above bounds set in algorithm for brief periods 4 responses 04/08/2017
Improvements to Community Search 1 response 04/08/2017
Economic indicator fetch_csv problem 2 responses 04/08/2017
Using pykalman Iteratively for Pairs Trading, what am I doing wrong? no responses 04/08/2017
Swing trading in Robinhood using the MACD 5 responses 03/08/2017
Pipeline with one column that compute industry mean of a fundamental (Price to earning or Price to sale)? no responses 03/08/2017
Live Trading Performance Reporting no responses 03/08/2017
Sample 2017-08-03 US tech security price to book ratios no responses 03/08/2017
Automated Futures Rolling 1 response 03/08/2017
Reorder closed orders no responses 03/08/2017
Is it possible to update portfolios to simulate profit/loss on traded signals not in the universe? no responses 03/08/2017
HELP to get started no responses 03/08/2017
How to build a customer "indicator in indicator" built-in-factor? 3 responses 03/08/2017
I have a strategy, but I can't change it into alogrithms... pls help no responses 03/08/2017
Where to run code that takes > 5 minutes? 2 responses 03/08/2017
Why use Wealthfront when you can use Quantopian as the robo-investor? 2 responses 03/08/2017
Morningstar pe_ratio 5 responses 02/08/2017
Stoploss as a percentage? 6 responses 02/08/2017
Accessing data from fetch.csv 1 response 02/08/2017
New error when retrieving price data 2 responses 02/08/2017
How can I return only CEFs or ETFs in a pipeline? no responses 02/08/2017
Please delete this post no responses 02/08/2017
displaying the first minute after NY open 2 responses 02/08/2017
Can you change "Before_trading_starts" schedule 2 responses 02/08/2017
Fastest KMean clustering method? 4 responses 01/08/2017
Seeking honest criticism/suggestions about asset choice and method 13 responses 01/08/2017
Implementing recognition of technical patterns question 3 responses 01/08/2017
The Quantopian Summer Lecture Series has Arrived 9 responses 01/08/2017
Error with deprecated code 1 response 01/08/2017
Anyone else having timeout issues with pipeline? no responses 01/08/2017
Question: Why Is the Natural Gas Future Price (NG) Almost Identical to Natural Gas E-Mini Price (QG)? 1 response 01/08/2017
What happened between mid Feb 2016 until end April 2016? 2 responses 01/08/2017
Large data creation efficiency optimization 5 responses 31/07/2017
Momentum Slice no responses 31/07/2017
US Unemployment Rate as an Indicator of Stock Market Performance 10 responses 31/07/2017
Data split issue MSGN October 2015 1 response 31/07/2017
Ways to avoid partially filled orders 3 responses 31/07/2017
test 3 responses 31/07/2017
Help on learning mean reversion 3 responses 31/07/2017
How to Create an Aroon Oscillator by Stock 12 responses 30/07/2017
This is Economic cycle strategy . no responses 30/07/2017
Is there a change/feature log? 3 responses 30/07/2017
Tips for ZERO cost trading. no responses 30/07/2017
[Help Request] Min/Max functions not working as expected in pipeline 2 responses 30/07/2017
Course work: standard deviation on returns for 6 month period no responses 30/07/2017
Intraday momentum strategy for leveraged ETFs no responses 30/07/2017
Gap Up strategy 2 responses 30/07/2017
Using Fair Volatility (VIX) Estimate Model & Indicator 3 responses 30/07/2017
Trouble transitioning from Research to Algorithms: trading the MACD crossover no responses 30/07/2017
Getting NaN from TALib.STOCH 2 responses 30/07/2017
Basic Scalper no responses 30/07/2017
Quick Basic Questions not Covered in "Getting Started" or API Ref 4 responses 30/07/2017
Getting NaN from TALib Stochastic 1 response 29/07/2017
How are company spinoffs handled during backtesting? 1 response 29/07/2017
Hourly data in USEquityPricing no responses 29/07/2017
Short Interest 3 responses 29/07/2017
Showing more than 2 decimals in Record for the custom data 3 responses 29/07/2017
Semi Automated Trading System no responses 29/07/2017
Practice for a complete beginner 1 response 29/07/2017
Margin Charting 6 responses 29/07/2017
Hedged Bridesmaid strategy 5 responses 28/07/2017
Earnings Announcement Schedule from eventvestor? 5 responses 28/07/2017
Sentiment Mean Reversion Leverage Adjustment 3 responses 28/07/2017
would anyone like to collaborate ? no responses 28/07/2017
UnboundLocalError: local variable 'price' referenced before assignment 2 responses 28/07/2017
Can I submit algos using premium data for the contest? 4 responses 28/07/2017
Futures prices accurate? 4 responses 28/07/2017
Searching for the 'golden' dynamic profit target! 2 responses 28/07/2017
News Sentiment Versus Traders Sentiment no responses 28/07/2017
Is there alpha in the intercept of regression? no responses 28/07/2017
Historical Market Depth Data for NSE stocks no responses 28/07/2017
Corporation name (with excess) -> Ticker Symbol 1 response 28/07/2017
How to programmatically detect stock patterns, what algorithms well-known screener are using ? 15 responses 28/07/2017
Forecasting Equity Performance Using Trader Mood Data 1 response 27/07/2017
The Social Media Trader Mood Series: Introduction 7 responses 27/07/2017
Blacklisted attribute within module eval 1 response 27/07/2017
Fetcher in Paper Trading not working 5 responses 27/07/2017
Getting started Mean-reversion tutorial, but with dynamic set of securities 4 responses 27/07/2017
Help with MACD Percentage Custom Factor 3 responses 27/07/2017
Course work: standard deviation for 6-month returns no responses 27/07/2017
Sentiment Filter for Equity Investment 7 responses 27/07/2017
Pipeline Tutorial importing from quantopian 2 responses 27/07/2017
How to backtest using minute data? 1 response 27/07/2017
Help with SMA crossover with EWMA no responses 26/07/2017
Questions about an implementation of VWAP trading no responses 26/07/2017
The Future of Algo Trading no responses 26/07/2017
How do I solve an AttributeError: 'function' object has no attribute 'to_execution_plan' 1 response 26/07/2017
Simple data history question: Storing price as variable 1 response 26/07/2017
PEI SUMMER SCHOOL ALGORITHM no responses 26/07/2017
PEI SUMMER SCHOOL EXAMPLE no responses 26/07/2017
PEI SUMMER SCHOOL EXAMPLE no responses 26/07/2017
How to add Exponential Weighted Moving Average into a pipeline? 2 responses 26/07/2017
Pipeline factor for daily price performance 2 responses 26/07/2017
Yi Li, Portfolio Manager for GIC will Keynote QuantCon Singapore 2017 no responses 26/07/2017
Anyone have any XIV/VXX trading algorithms that are plug and play? no responses 26/07/2017
Can I upload and use my .pkl files? no responses 26/07/2017
Futures liquid trading period 12 responses 26/07/2017
Almost there... trying to get VIX data! 1 response 25/07/2017
E Minis Trading Day Trading and Swing Trading no responses 25/07/2017
Momentum Stategy 2: Just for new user's to view code. no responses 25/07/2017
Forward returns correlation with factor 1 response 25/07/2017
Simple Momentum Backtest w\ Limit Orders: Apple no responses 25/07/2017
Algo timesout. Is it possible for Quantopian to provide a method that runs for more than a minute? no responses 25/07/2017
my doubts about 2015 Aug crash no responses 25/07/2017
how to get history from fetcher and data object simultaneously? no responses 25/07/2017
zipline and dividends no responses 25/07/2017
Newbie question: adding portfolio positions to pipeline 2 responses 25/07/2017
Next upcoming financial statement filing date no responses 25/07/2017
Help creating weekly and monthly SMAs no responses 25/07/2017
Futures Data or Servers down?? 6 responses 24/07/2017
Limit orders not executing no responses 24/07/2017
Please delete this post no responses 24/07/2017
API suggestions / notes not popping up while I code 2 responses 24/07/2017
Unknown Error Help no responses 23/07/2017
My First Algo: Kendall L. Edwards 1 response 23/07/2017
Is there a way to tell if there is breaking news currently out on a company? 4 responses 23/07/2017
New Coder in Need of Assistance Implementing Strategy no responses 23/07/2017
Help with efficiency 2 responses 23/07/2017
Contest 32 entries 12 responses 23/07/2017
Simple Flexible calendar-spread trade with VIX & gas contracts no responses 23/07/2017
Robin Hood VIX Mix Extreme Vetting 50 responses 23/07/2017
Trade Execution Lag in Backtesting 4 responses 22/07/2017
Newbie - simple pipeline question - screening by industry 2 responses 22/07/2017
Shorts happening on long_only() strategy 5 responses 22/07/2017
continuous_future with data.current 3 responses 22/07/2017
Accessing context in a custom factor 4 responses 22/07/2017
How to calculate change of balance sheet items over time? 2 responses 22/07/2017
Negative EV Penny Stock Screen no responses 22/07/2017
How to get the values from the columns of a Pipeline 8 responses 22/07/2017
How to deal with minute frequency data 2 responses 21/07/2017
Futures template 5 responses 21/07/2017
When does exactly before_trading_start() get executed? 1 response 21/07/2017
Live Trading Not Placing Trades no responses 21/07/2017
Looking for A Programmer no responses 21/07/2017
Leverage and long/short exposure: one class to rule them all 13 responses 21/07/2017
Ichimoku Cloud Strategy no responses 21/07/2017
Stock prices missing using Pipeline in Research environment? 7 responses 21/07/2017
Backtesting with fixed start_date and live end_date 6 responses 20/07/2017
Quantopian lecture series: lecture 11 no responses 20/07/2017
Trouble Building a Breakout Strategy 6 responses 20/07/2017
How to pass a Pandas Series to the next day? 4 responses 20/07/2017
Why the historical datas for XIV in May 2011 are so different between those from Algorithm and Notebook? 3 responses 20/07/2017
Why there is no price for XIV on Dec.3rd 2013? no responses 20/07/2017
Help getting a list of the five highest volume securities over the past 5 days 2 responses 20/07/2017
Some securities does not have corresponding sector code in Quantopian database? 1 response 20/07/2017
HEIKIN-ASHI Strategy with gradual buy and sell. 1 response 20/07/2017
Creating a rolling window of theil-sen estimator values? 5 responses 19/07/2017
Rolling futures a set number of days before expiry no responses 19/07/2017
High Capacity Model 2 responses 19/07/2017
Problem with restrictions. Any help? 6 responses 19/07/2017
Quantopian Contest Grade and Ranking 3 responses 19/07/2017
Portfolio Positions Problem 4 responses 19/07/2017
How to get the traded price 3 responses 19/07/2017
Behavior about filling market order for cmegroup currency future no responses 19/07/2017
Data issue (please fix) no responses 19/07/2017
Question about "periods" parameter and how it works in alphalens 9 responses 19/07/2017
loading before_trading_start with zipline in research 1 response 18/07/2017
Trying to get Sell_Signal to work. ATR Stop Loss no responses 18/07/2017
Cross-Market Correlations. 8 responses 18/07/2017
Running pipeline backtest in Notebook research environment no responses 18/07/2017
Contest 32 Rules Changes - Commission and Leverage 45 responses 18/07/2017
Random Color + Animal Contest Names no responses 18/07/2017
Question about FINRA regulations. 2 responses 18/07/2017
Issue Equity Dataset Available in Pipeline; New Classifier Function - relabel 1 response 18/07/2017
Paper trading results for 11 months no responses 18/07/2017
How do I run pyfolio on a paper trading algorithm results 2 responses 18/07/2017
Coding help please. 3 responses 18/07/2017
Optimization help 1 response 18/07/2017
Ensuring all positions are closed (no holding overnight) for intraday strategy? 3 responses 18/07/2017
Fetcher: How can I import a list of stocks but also with a value for each stock 4 responses 17/07/2017
Increase in Capital of Investment 3 responses 17/07/2017
Only buy orders result in selling 2 responses 17/07/2017
How to buy in several days if the order is too big to be filled in 1 day? 1 response 17/07/2017
Error message(NoDataBeforeDate 6 responses 17/07/2017
Why is this pricing data so different from all other sources? 3 responses 17/07/2017
How to Compute the Sortino ratio? no responses 17/07/2017
Random Forest Machine Learning Algo 2 responses 16/07/2017
Help on getting the average implied volatility indicator no responses 16/07/2017
Using the talib.RSI() is "danger"? 2 responses 16/07/2017
Fundamental data and get_datetime() no responses 16/07/2017
Combine two strategies 4 responses 16/07/2017
Why there is no price for July 4th 2017 ? 3 responses 16/07/2017
Earnings Date Timing Algorithm no responses 16/07/2017
Limited data for the Morningstar value_score field no responses 16/07/2017
machine learning screening and rank no responses 15/07/2017
Newbie algo question from experienced trader - trading session breakdown no responses 15/07/2017
First Pass from AI derived trading signals looking for multi sigma events 9 responses 14/07/2017
Need Help - Rebalance Every 3 Months 2 responses 14/07/2017
zipline - buy to open price 2 responses 14/07/2017
Batch Mode in Notebooks 1 response 14/07/2017
Order partially filled 1 response 14/07/2017
Alpha Vertex PreCog test 23 responses 14/07/2017
Temporary implementation of Trailing fundamentals 2 responses 14/07/2017
where can i learn future trading rules? 1 response 14/07/2017
how to remove stocks from universe that are pending acquisition / recently bought / purchase by another company 3 responses 14/07/2017
Newbie - Need help Coding first Strategy no responses 14/07/2017
Momentum Strategy, how to pull stock from result? 1 response 14/07/2017
Can Quantopian allow out of sample 6 month paper trade of more than 3 algos per user? 3 responses 13/07/2017
How to trade Futures and Stocks in same portfolio no responses 13/07/2017
Question on Closing Future Position no responses 13/07/2017
Data Bundle Error - help 7 responses 13/07/2017
Why is context.CONSTANT preferred vs simply defining a global 'CONSTANT' 4 responses 13/07/2017
Bulk import of historical data? Possible? no responses 13/07/2017
Live Trading not stable & keeps disconnecting 7 responses 13/07/2017
Orders not filling 1 response 13/07/2017
how do I sort by days? 2 responses 13/07/2017
First algorithm no responses 13/07/2017
Classical Asset Allocation: Combining Markowitz and Momentum 2 responses 13/07/2017
How to get short interest for the stock? 2 responses 13/07/2017
Stochastic will work for 1 stock, but not in for-loop no responses 12/07/2017
Backtesting on the closing price 5 responses 12/07/2017
Do I need to keep my browser open while live trading with Robinhood? 2 responses 12/07/2017
Feeding custom data to talib.ROC ? 4 responses 12/07/2017
Include Portfolio Positions in Pipeline? 5 responses 12/07/2017
MACD algo 1 response 12/07/2017
Cash added during backtest 4 responses 12/07/2017
Is it possible to backtest option spreads using quantopian? no responses 12/07/2017
Pipeline - filter equal amounts of stocks from sectors by market cap - How??? 2 responses 12/07/2017
resampling, other timeframes 6 responses 12/07/2017
IRS futures: some stats and econ q's no responses 11/07/2017
Limit/stop orders on futures 2 responses 11/07/2017
3-Day S&P 500 no responses 11/07/2017
Next step 1 response 11/07/2017
Quantopian Comes to Seattle this Week no responses 11/07/2017
Runtime error from Pipeline 2 responses 11/07/2017
ProShares launches anti-retail ETFs 7 responses 11/07/2017
Powerpoint/PDF intro of Quantopian for general presentation 4 responses 11/07/2017
Getting rid of talib.EMA() warm-up period? 7 responses 11/07/2017
Did somebody already write protection against: "Order of XXX shares of sid YYY not transmitted to broker because the data feed is behind." 1 response 11/07/2017
3-Day S&P 500 Algorithm 5 responses 10/07/2017
Why the price is different between research and back test? 4 responses 10/07/2017
Temporarily restricting trading decisions at end of day? 1 response 10/07/2017
High processing power code inquiry no responses 10/07/2017
Different values by calculating the resample() and its RSI by Notebook and Algorithms 3 responses 10/07/2017
What are the top skills that an algorithmic trader can have? no responses 10/07/2017
Aurelio's Algo no responses 10/07/2017
Trouble with futures algo 2 responses 10/07/2017
Custom Minute Time Frame Bars 2 responses 10/07/2017
weighting by volatility no responses 10/07/2017
Cash Algo Tests New 1 response 10/07/2017
Trend algo help no responses 10/07/2017
Algorithm takes time to warm up? 6 responses 10/07/2017
Is there a way i can take profit and stop it from being reinvested? 2 responses 09/07/2017
ordering futures 4 responses 09/07/2017
Do we have access to data within make_pipeline() 2 responses 09/07/2017
Stop loss based on $ return 2 responses 09/07/2017
Simple Moving Average 2 responses 09/07/2017
Improve Algorithm Performance With Optimize API 1 response 09/07/2017
Function that tells us the rolling 30-day drawdown of a security no responses 09/07/2017
working with date and time in note book and algorithms for futures no responses 08/07/2017
Partial compounding / Deducting money after winning trades? no responses 08/07/2017
documentation for built-in classes? (filters/factors/classifiers) 1 response 08/07/2017
How do I use a recorded variable to generate signals? no responses 08/07/2017
filters vs booleans? 1 response 08/07/2017
Does any one know how i can get the net value of my bot? 2 responses 08/07/2017
Linking Robinhood 3 responses 08/07/2017
How can I implement specific sectors in my pipeline as a filter? 3 responses 07/07/2017
Defining a universe of SPY and each of the stocks in SPY 4 responses 07/07/2017
5-Year Deliverable Interest Rate Swap Futures FI CBOT 1 response 07/07/2017
Get tick size of continuous futures contract in research environment 1 response 07/07/2017
Reject by Quantopian Research when using zipline.utils.factory 1 response 07/07/2017
Cryptocurrency / Bitcoin - applying quantitative strategies 19 responses 06/07/2017
Simple Intro (SMA) no responses 06/07/2017
Rolling futures expiry w/ Continuous Futures 2 responses 06/07/2017
continuous future has different value as quandl no responses 06/07/2017
Machine Learning Question 1 response 06/07/2017
Combining filters 1 response 06/07/2017
Going from QP to SOCP in CVXPY no responses 06/07/2017
Is there a way to use my own dataset? no responses 06/07/2017
Looking for Help with "window_length" in a Custom Factor 1 response 06/07/2017
What are your top three things for Quantopian to improve on 2 responses 06/07/2017
get_pricing for a list of days 1 response 06/07/2017
New to Quantopian. Need Help 4 responses 06/07/2017
Annoying import warnings for built-in functions 2 responses 06/07/2017
Is there any way to re-balance quarterly? 2 responses 05/07/2017
New to Quantopian- First algorithm (using fundamental data and "Intelligent investor" principles) no responses 05/07/2017
IB Live Trading - All orders getting rejected 4 responses 05/07/2017
Any way to completely keep leverage under control? 14 responses 05/07/2017
Monte Carlo Simulation no responses 05/07/2017
How is the profit of back calculated 1 response 05/07/2017
Dividend Harvest with Eventvestor 1 response 05/07/2017
Check rule individually? 2 responses 05/07/2017
Fundamental Growth Strategy 11 responses 05/07/2017
Overall Market P/E Value Strategy 3 responses 05/07/2017
Nondeterministic backtesting 12 responses 05/07/2017
Using "Or" in the compute method for a pipeline no responses 05/07/2017
Backtesting a technical fx-trading rule no responses 05/07/2017
Question about VIX futures 1 response 05/07/2017
Alpha discovery 10 responses 05/07/2017
I'm a green horn here. How best do i start? 4 responses 04/07/2017
Bring This Simple Algorithm To Life (52-weeks-low + brand or popular stocks) 2 responses 04/07/2017
How is the order filled 2 responses 04/07/2017
Gaussian Noise 2 responses 04/07/2017
Having Difficulty with MACD and Custom Factors in the Notebook Pipeline 3 responses 04/07/2017
Help I know it's possible, buy IPO first day, stop loss at 3% or exit at 50% profit 11 responses 04/07/2017
Verifying Pipeline Output 2 responses 04/07/2017
Investors acceptable drawdown. 6 responses 04/07/2017
Momentum Strategy by Fred Piard, Help please 3 responses 04/07/2017
Getting dates for Delisted and IPO's of Stocks 3 responses 03/07/2017
Proposed Trading Strategy no responses 03/07/2017
Weight assigned to stocks in equity strategies 14 responses 03/07/2017
Buy-and-Hold Strategy 1 response 03/07/2017
Code Not Running - AssertionError: open has wrong dimensions 1 response 03/07/2017
Help with trading earnings from external file no responses 03/07/2017
Enhancement on the Quantopian Lecture on Linear Regression no responses 03/07/2017
Can someone show me how to convert this "Getting Started" algorithm from a stock to a Continuous Futures? 1 response 03/07/2017
Johansen cointegration test in Python 1 response 03/07/2017
Contest backtesting and alternative data 1 response 03/07/2017
How do I get instant price for VIX & VXV? 3 responses 02/07/2017
How to implement pipeline? 2 responses 02/07/2017
How are others dealing with grossly skewed performance results in live trading? 4 responses 02/07/2017
Attempt at making modular algorithm gone awry 3 responses 01/07/2017
Do You Need sklearn? 1 response 01/07/2017
How to use TaLib indicators in research. 4 responses 01/07/2017
IB vs Robinhood 6 responses 01/07/2017
Datetime() in Research vs get_datetime() in Algorithm 1 response 01/07/2017
Code Not Working 2 responses 01/07/2017
Buy and hold ES futures contract 2 responses 01/07/2017
Price to 200 day moving average no responses 30/06/2017
Request: The ability to suppress warnings in the research notebooks. 13 responses 30/06/2017
Finding Historical Returns of Delisted Stocks no responses 30/06/2017
Brainstorm - What Quantopian Building Blocks are necessary to answer this? no responses 30/06/2017
Fetch CSV from dropbox won't work... 2 responses 30/06/2017
VIX as benchmark 3 responses 30/06/2017
Trying to install quantopian Error Message 1 response 30/06/2017
Value of holdings at start of month & end of month 1 response 30/06/2017
Ordering behaves funny in a gap-up + stop trailing algo 9 responses 30/06/2017
What we call! 2 responses 30/06/2017
Possible to run backtest on stocks no currently available on Quantopian? 2 responses 30/06/2017
Oil Wednesdays (+110% ytd) 6 responses 30/06/2017
Robin Hood VIX Mix Rogue Trader 152 responses 30/06/2017
Looking for Quantopian partner, want to work together? 3 responses 30/06/2017
Need help coding ... 1 response 30/06/2017
Mean Reversion on AAPL & AMZN -- Notebook/Research -- Testing Out Possible Options no responses 30/06/2017
Stochastic with a custom lookback period 3 responses 29/06/2017
python implementation of Johansen test 2 responses 29/06/2017
Backtests for strategies on contest leaderboard 2 responses 29/06/2017
Example of an intraday trailing stop loss 4 responses 29/06/2017
At what point does slippage have considerable effects on a equity 4 responses 29/06/2017
Are Limit Orders with sub 1 cent entries possible? 4 responses 29/06/2017
Issue with pipeline data 1 response 29/06/2017
ChiPy - FinSIG - AlphaLens no responses 29/06/2017
How to establish initial positions? Then rebalance thereafter? 2 responses 29/06/2017
Portfolio Analysis Lecture Discussion no responses 28/06/2017
Returning pipeline with previous trading day's close to today's open gap 2 responses 28/06/2017
Active share constraint DCP problems [CVXPY] 2 responses 28/06/2017
Futures Allocation Criteria 6 responses 28/06/2017
Stochiastic crossover strategy - K% crossover D% no responses 28/06/2017
Another Another Volatility Trading Strategy 4 responses 28/06/2017
Difference between zipline quantopian-quandl bundle and backtest bundle 4 responses 28/06/2017
Quantum Leap 2 no responses 28/06/2017
Futures Data Availability? Missing European Session / Overnight Data 3 responses 28/06/2017
Could I create Quantopian user group in Tokyo? 3 responses 28/06/2017
long/short strategy 1 response 28/06/2017
How to get current date's Libor 2 responses 27/06/2017
Live trading with Robinhood and only selling 3 responses 27/06/2017
Printing out Quantopian lectures no responses 27/06/2017
futures questions [Risk Management, Allocation] 3 responses 27/06/2017
Flat line in the algo 1 response 27/06/2017
Dollar Cost Averaging 4 responses 27/06/2017
Headbutting the wall... Python fundamental lack of knowledge 1 response 27/06/2017
data.history and schedule function 5 responses 27/06/2017
Deprecation warning for universe parameter in order_optimal_portfolio 10 responses 26/06/2017
Pricing data unavailable for the first few dates after IPO 3 responses 26/06/2017
NA 1 response 26/06/2017
How to do event Notification for living trading on Quantopian 2 responses 26/06/2017
Weekly rotation drift no responses 25/06/2017
Notebook - DataFrame.replace not working 5 responses 25/06/2017
Lowly background in finance, where should I start to be part-time algorithmic trader ? 5 responses 25/06/2017
Futures Intraday VWAP calculation / All bars from session start 3 responses 25/06/2017
Solved no responses 25/06/2017
Resampling Data to Different Bar Lengths no responses 24/06/2017
Alpha Vertex Precog 500 Attribute Error 1 response 24/06/2017
Boston Vs Chicago Algorithmic Trading Competition 4 responses 24/06/2017
Regressing all Stocks and printing Alpha 2 responses 24/06/2017
stops processing orders 1 response 24/06/2017
TTM Squeeze Algo no responses 24/06/2017
First Attempt at Creating a Pipeline - Looking for Help! 1 response 23/06/2017
Distinguishing ETFs and their properties 1 response 23/06/2017
PsychSignal, Machine Learning, and Penny Stocks | 95% In A Year. no responses 23/06/2017
OPTIMIZE Help, Only Buying a Few Stocks 1 response 23/06/2017
Paper trading more than three algorithms? 7 responses 23/06/2017
Pipeline not able to get the last VIX movements no responses 23/06/2017
beta confusion question 3 responses 23/06/2017
Optimized Portfolio, More than the Efficient Frontier - Both Historical and Dynamic no responses 23/06/2017
Value, Momentum & Trend 9 responses 22/06/2017
Accessing pipeline set weight in rebalance 2 responses 22/06/2017
Statistics On Seasonality In Equities 4 responses 22/06/2017
Have you tried to reverse a strategy that incur loses and made it profitable? 2 responses 22/06/2017
cryptocurrency data? 6 responses 22/06/2017
Your Notes no responses 22/06/2017
My Notes no responses 22/06/2017
Why the price data is different? 1 response 22/06/2017
Help! Beginner that is practicing everything he's learned so far! Algorithm is blowing up! 7 responses 21/06/2017
Mean Reversion Algorithm 2 responses 21/06/2017
I am new to the community 1 response 21/06/2017
Problem of EarningsCalendar Dataset no responses 21/06/2017
Imperial College Forum no responses 21/06/2017
IB Live Trading Shorting Availability / Fees 4 responses 21/06/2017
Alphalens on Sentdex dataset 2 responses 21/06/2017
$FB RSI Strategy 4 responses 21/06/2017
Is there something wrong with Quantopian's order_target_value 1 response 21/06/2017
help with fetcher no responses 21/06/2017
HELP: Issue With KeyError 1 response 21/06/2017
Long Only Mean Reversion For Robinhood Users. 100,000% Returns 27 responses 21/06/2017
PsychSignal, Machine Learning Models, and Tech Stocks 1 response 20/06/2017
Net Movement Score | A Simple Way To Get Better-Than-SPY Returns 3 responses 20/06/2017
July contest deadline question 1 response 20/06/2017
Transaction Details no responses 20/06/2017
Advance backtest time no responses 20/06/2017
Prices in Algo 5 responses 20/06/2017
How to plot the talib.RSI in Notebook correctly? 4 responses 20/06/2017
Units and Comprehension 1 response 19/06/2017
Simple benchmark question no responses 19/06/2017
Datasets Basic Concepts and Approach no responses 19/06/2017
Using Alternative Data: Researching and Implementing a Market Neutral Strategy 19 responses 19/06/2017
Best Online Course for Learning Quant Trading? 1 response 19/06/2017
Selling all open positions 1 response 19/06/2017
help with adding moving averages to a fundamental screen 3 responses 19/06/2017
nvm i just used it wrong no responses 19/06/2017
How to control leverage 1 response 19/06/2017
Historical price missing the last hour data 1 response 18/06/2017
Logs not being generated 1 response 18/06/2017
How can I use data from two companies to short/long on a third company (correlations) ? 5 responses 18/06/2017
Pipeline: How do I create a factor for the standard deviation of past daily returns? 2 responses 18/06/2017
Fundamental Moving Average Momentum Strategy With Financial Assets Turnover no responses 18/06/2017
Debt Data no responses 17/06/2017
How to get size of universe 4 responses 17/06/2017
Multicollinearity And Multiple Linear Regression Cheat Sheet 10 responses 17/06/2017
Reason for a contest algo running since 2015-01-26 to be disqualified 4 responses 17/06/2017
12 day trades on $2K 445.5 percent no responses 17/06/2017
641% over 12 days with sample 1 response 17/06/2017
DollarVolumeUniverse and set_universe to be Removed 3 responses 16/06/2017
Question about stationarity no responses 16/06/2017
SPY Master - RSI2 Mean-Reversion Strategy for SPY 9 responses 16/06/2017
Assignment Empirical Analysis of Stock Markets no responses 16/06/2017
Market cap filters understanding 2 responses 16/06/2017
Fundamental Moving Average Long/Short Attempt 8 responses 16/06/2017
Beta Quantopian Calculation 4 responses 16/06/2017
HELP MEEEE 1 response 16/06/2017
Is it possible to trade 2 algorithm's through a single Robinhood account? 2 responses 16/06/2017
Custom Fundamental Metric Momentum no responses 15/06/2017
HELP: Eliminating Deprecated Code 3 responses 15/06/2017
Leigh Drogen - Quant vs Traditional Investors and How Alphas Become Betas no responses 15/06/2017
Need help to write a REALLY BASIC algo no responses 15/06/2017
Quandl data missing? 12 responses 15/06/2017
Getting an Allocation, June 2017 Update 23 responses 15/06/2017
ETF Pricing Pipeline 7 responses 15/06/2017
Making a revenue-growth weighting of stocks no responses 15/06/2017
How to choose from index component stocks? 3 responses 15/06/2017
Broker Volumes vs Quantopian Volumes 1 response 15/06/2017
Sell security after 1 year holding period, how? 3 responses 14/06/2017
Building my FIRST Quantopian testing notebook. 2 responses 14/06/2017
Portfolio of stock trade golden cross 2 responses 14/06/2017
Macro economic data for machine-learning models 2 responses 14/06/2017
bracket orders? 1 response 14/06/2017
Importing your universe via CSV 1 response 14/06/2017
New to Quant 2 responses 14/06/2017
How to inject just 1 known sid into Pipeline 1 response 14/06/2017
First day.... WHERE TO START? Help 1 response 14/06/2017
Beta: which one is right? no responses 14/06/2017
2 Algorithms 1 Portfolio 1 response 13/06/2017
data.history question in rebalance called twice during a market day no responses 13/06/2017
Quantopian-as-a-Marketplace 9 responses 13/06/2017
Pairs Trading - Cointegration & stationarity? 4 responses 13/06/2017
Trade Like A Warrior (S&C V35:06 page 34) 7 responses 13/06/2017
Using macro economic data in models - should we use levels or differences? no responses 13/06/2017
Access Data in Pipeline Output Pandas Dataframe 7 responses 13/06/2017
Want to Have an 'If Statement' Check for Time Left in Trading Day 5 responses 13/06/2017
Algor for the RSI (Need Help) 4 responses 13/06/2017
How to save company stock name in database and read from that database no responses 13/06/2017
New to Quantopian and Python -would appreciate some help with 'The Lazy Fundamental Analyst' strategy 13 responses 13/06/2017
Beta Neutral condition in optimize portfolio 2 responses 13/06/2017
long-short multi-equity algo 2 responses 12/06/2017
Futures Pairs Trading Error 2 responses 12/06/2017
WTI Crude Oil Future Strategy -- RSI / 100-Day Moving Average 2 responses 12/06/2017
Contest and brief leverage spikes, handling short squeeze no responses 12/06/2017
Social media message volume as a proxy for stock volatility 2 responses 12/06/2017
How to build the 5 min chart from the 1 min chart? 2 responses 12/06/2017
How to Hack the Contest (without cheating) 6 responses 12/06/2017
Book Value 1 response 12/06/2017
stop limit problem 4 responses 12/06/2017
problem with GOOG data 3 responses 11/06/2017
Correlation between Algorithms / portfolio 1 response 11/06/2017
Are most simple trading systems worthless? 1 response 11/06/2017
Sensitivity Analysis under Research mode no responses 11/06/2017
Stocks Available in Robinhood no responses 10/06/2017
Survey on Backtesting Time 7 responses 10/06/2017
How to use the resample() correctly? 13 responses 10/06/2017
Pipeline to pick etfs by sector & volume. no responses 10/06/2017
get_open_orders() on a sub-minutely level 10 responses 10/06/2017
Fundamental WMA Crossover With 2 Metrics 3 responses 09/06/2017
Small cap portfolio alloc#25SHARP no responses 09/06/2017
Small cap portfolio alloc#6-entry no responses 09/06/2017
Looking for help developing a markov chain. no responses 09/06/2017
Historical data for security 2 responses 09/06/2017
Now that Quantopian supports Future trading, is there any way to get real time spot prices for index based futures such as the VIX? 1 response 09/06/2017
backtesting with zipline tutorial notebook broken ! 3 responses 08/06/2017
Intraday Fetcher no responses 08/06/2017
CSV data gives HTTPError no responses 08/06/2017
<a href="gooe.io">a (1)> no responses 08/06/2017
Test 2.0.1.7 2 responses 08/06/2017
"Futures not allowed for live trading" error upon attempt to paper trade or broker trade. 1 response 08/06/2017
Large Cap portfolio max Sharp 5 responses 08/06/2017
Small cap max Sharp portfolio 2 responses 08/06/2017
Small cap portfolio results no responses 08/06/2017
one of my contest entries 5 responses 08/06/2017
First Algorithm to Deploy Live 2 responses 07/06/2017
Is is possible to see in real time, how my algo is trading? 1 response 07/06/2017
Question: Where are Indices? Futures? 2 responses 07/06/2017
HELP: running TradingAlgorithm in under quantopian notebook causing error 1 response 07/06/2017
Need help in fetcher_csv no responses 07/06/2017
Fundamental Moving Average Crossover no responses 07/06/2017
ADX Day Trader 1 response 07/06/2017
Need help to solve the error in below Custom Factor class, where am i getting wrong, pls help 1 response 07/06/2017
Small cap portfolio #6 no responses 07/06/2017
Trading one ETF - contest rules question 1 response 07/06/2017
ASX Australian Stock Exchange Data 2 responses 07/06/2017
earnings_report.basic_eps is not yet allowed in broker-backed live trading 2 responses 07/06/2017
Differing schools of thought on investment philosophy 5 responses 07/06/2017
A Capital-Structure Neutral PEG Ratio Alternative, EV/EBITDA to EBITDA Growth no responses 07/06/2017
portfolio allocation no responses 07/06/2017
Options in Quantopian 13 responses 07/06/2017
Built-in factor Returns does not provide results as expected 2 responses 07/06/2017
Pipeline frequency in research 11 responses 06/06/2017
MVA Robinhood Andy Brim no responses 06/06/2017
My version of Andreas Clenow Momentum Strategy no responses 06/06/2017
Advice Backtest 1 response 06/06/2017
Optimize Not buying 2.0 Leverage no responses 06/06/2017
how can i build data.history() method? no responses 06/06/2017
How can I save a file in the Notebooks? no responses 06/06/2017
Runaway Leverage - Momentum Strategy based on the DOW by (Leo P. Williams) 13 responses 06/06/2017
Mean reversion Strategy (again) + track order no responses 06/06/2017
What should I do if I do not want to automatically closed out future position at auto_close_date in backtesting? 1 response 06/06/2017
Deep Learning with Quantopian 5 responses 06/06/2017
Difficulty understanding fetcher_csv 3 responses 05/06/2017
Technical Trading RSI, MACD, and Bollinger Bands no responses 05/06/2017
How does one distill down the Pipeline to a single security? 8 responses 05/06/2017
fetch_csv timed out no responses 05/06/2017
Towards a simple Robinhood Buy Low Sell High Algorithm 4 responses 05/06/2017
Trailing Stop with multiple securities does not work as intended 4 responses 05/06/2017
Identifying and Enhancing Alpha Factors to Maximize Sharpe Ratio 8 responses 05/06/2017
Q500US() Benchmark 1 response 05/06/2017
Deployed two XIV/UVXY/TQQQ strategies for paper trading ... will make it live trading after a month 36 responses 04/06/2017
String Factor Error no responses 04/06/2017
How can I separate volume into buying volume and selling volume? 1 response 04/06/2017
delete no responses 04/06/2017
First day and First Algorithm! 1 response 04/06/2017
Why won't my algorithm make trades? 2 responses 04/06/2017
order to close 3 responses 04/06/2017
How to get the time series output in pipeline 4 responses 04/06/2017
Feature Request: Partial Exception Stacktrace no responses 04/06/2017
Bug in Pipeline/Equity MultiIndex selection? 4 responses 03/06/2017
CVXOPT Beta optimization help needed no responses 03/06/2017
Ticker coding/open symbology no responses 03/06/2017
Cash Algo Tests 4 responses 03/06/2017
Basic question about pairs trading : How do I anticipate or avoid spread moving to new level? 2 responses 03/06/2017
Regular Expression re.compile() Disabled??? 3 responses 02/06/2017
Inefficiency in Long Only Market 12 responses 02/06/2017
A very naive momentum strategy 2 responses 02/06/2017
Help: Notebook vs Algorithm 14 responses 02/06/2017
Can't get the min and max of 15 minutes 1 response 02/06/2017
Backtesting Question 2 responses 01/06/2017
Dual Momentum Investing Strategy According to Dr. Gary Antonacci 13 responses 01/06/2017
Spearman Rank Corr Significance? 1 response 01/06/2017
Backcat results 2 responses 01/06/2017
Not Using Full Leverage? 1 response 01/06/2017
looking to learn 3 responses 01/06/2017
futures slippage model - does it reflect actual trading conditions? no responses 01/06/2017
Creating a Pipeline from two datasets? 3 responses 01/06/2017
Error: Running algorithm in research no responses 31/05/2017
avoid leverage 2 responses 31/05/2017
A way to get "List of S&P 500 companies" 2 responses 31/05/2017
Need Help Building a Pipeline of the Top 10 Weighted Stocks in the S&P500 2 responses 31/05/2017
Easylanguage to Python 2 responses 31/05/2017
Screen a specific list of stocks into Pipeline in the Research environment... 3 responses 31/05/2017
QuantCon is Coming Back to Singapore: Early Bird Tickets on Sale Now no responses 31/05/2017
Max Order Count Error? 1 response 30/05/2017
Quantile reversion no responses 30/05/2017
Logging Filtered Securities no responses 30/05/2017
Quantopian Introductory Workshop in Singapore no responses 30/05/2017
S&P 500 Pairs Trading 1 response 30/05/2017
Double the memory, double the fun 19 responses 30/05/2017
Combine drawdown with other performance metrics 1 response 30/05/2017
example only no responses 30/05/2017
How to properly do PCA? 2 responses 30/05/2017
talib EMA error 2 responses 30/05/2017
Syntaxis Help. no responses 30/05/2017
Error when linking to IB 1 response 30/05/2017
Turtle Trading 7 responses 30/05/2017
Any Advice for a 17-year-old? 4 responses 30/05/2017
Anyone here used QuantGo? no responses 29/05/2017
Seeking Help: restricting maximum exposure to a single security no responses 29/05/2017
Is it possible to share results with another member? 5 responses 29/05/2017
Quantify trades as a % of portfolio value 4 responses 29/05/2017
Quantopian/zipline good for futures/cta backtesting? 6 responses 29/05/2017
Preferred Stock Buybacks no responses 29/05/2017
Sentiment Moving Average 1 response 29/05/2017
Set Limit Price to SMA no responses 29/05/2017
Unsupervised Machine Learning for Fun & Profit with Basket Clusters no responses 28/05/2017
Dual Moving Average Crossing 1 response 28/05/2017
'Gaming' the contest. 14 responses 28/05/2017
Visualizing Minute Activity no responses 28/05/2017
Data limited to 2014? 1 response 28/05/2017
Average Reversion : why my algorithm is so " good " ? 3 responses 28/05/2017
Can we trade for Groups yet? no responses 27/05/2017
Research environment: list stocks charts in grid plot no responses 27/05/2017
Buy when price > trigger_price, when order is filled set sell stop loss and limit. no responses 27/05/2017
Finding Date Associated With Data no responses 27/05/2017
Kalman Filter 1 response 27/05/2017
Loading a large number of fundamental data columns from a list or numpy array through the pipeline function no responses 26/05/2017
Small Cap U.S. stocks 2 responses 26/05/2017
Buying and Selling without a timed Rebalance Help no responses 26/05/2017
Universal Investment Strategy (UIS) 3 responses 26/05/2017
How many datas should I take for calculating the history() by timeframe resampling? 5 responses 26/05/2017
Possible to lookup an asset/Equity from a non-string literal? 1 response 26/05/2017
Is a trading calendar available in the algorithm? 2 responses 26/05/2017
Low Turnover Algo? no responses 25/05/2017
Futures prices (ESM17) no responses 25/05/2017
Highest Alpha Based on Fundamentals, Monthly Rebalance no responses 25/05/2017
Ghost trades 2 responses 25/05/2017
Wrong Total Returns? 5 responses 25/05/2017
Rain drops no responses 25/05/2017
1 no responses 25/05/2017
TTM eps 3 responses 25/05/2017
Help with RSI Strategy! 2 responses 24/05/2017
Anyone? Looked everywhere - need help with Connors 2-Period RSI strategy with ETFs no responses 24/05/2017
Overspending portfolio 4 responses 24/05/2017
Recent changes to Yahoo site prevents fetching .csv data for Vix? 6 responses 24/05/2017
Real Money Live Trading is not trading the same stocks as Live Paper Trade 2 responses 24/05/2017
Using Quandl CPI data in research environment no responses 24/05/2017
How are futures algorithms evaluated? 3 responses 24/05/2017
Future Universes 4 responses 24/05/2017
Pipeline - picking afternoon stocks from morning data no responses 24/05/2017
Allocate funds to multiple live algos? 2 responses 23/05/2017
Simple calendar-spread trade with natural gas contracts (FUTURES ALGO EXAMPLE) 7 responses 23/05/2017
how to get previous month's daily price data and number of trading days? no responses 23/05/2017
Building Permits no responses 23/05/2017
Robinhood Gold | DOES IT WORK 1 response 23/05/2017
Determining Slope of SMA's 1 response 23/05/2017
Individual stock's margin? 1 response 22/05/2017
Question about live trading 1 response 22/05/2017
Question about Alphalens period parameter 1 response 22/05/2017
WSJ Example Algorithm 11 responses 22/05/2017
Moving averages no responses 22/05/2017
fetch_csv error no responses 22/05/2017
High Frequency - tick interval 5 responses 22/05/2017
Pipeline Custom Factor help - how to specify window length for slow moving factors 2 responses 22/05/2017
How to use fetch_csv with continues futures? no responses 22/05/2017
Can Someone Code This For Me? no responses 22/05/2017
Stop loss not triggering. What am I doing wrong? no responses 22/05/2017
Mean reversion of Quality factor over 12 earnings 1 response 21/05/2017
looked everywhere! - need help with creating a sell order after holding security for 15 minutes 7 responses 21/05/2017
Futures leverage/risk 3 responses 21/05/2017
How can I use Fetcher for each day? no responses 21/05/2017
discrepancies in futures prices? can't get the price or rsi to match other sites 15 responses 21/05/2017
Python Cryptocurrency Backtester 4 responses 21/05/2017
Looking for tools that support trading based on real-time market data no responses 20/05/2017
Labelling Columns in DataFrame CSV no responses 20/05/2017
Delete this post no responses 20/05/2017
One Stock algo - Multiple stocks algo no responses 20/05/2017
Crude oil price distortion?? no responses 20/05/2017
What's going on with the leaderboard? 1 response 20/05/2017
White-listing "types"? no responses 20/05/2017
Newbie Question 3 responses 19/05/2017
(Rookie Mistake) Slippage Setting Does Work! 10 responses 19/05/2017
Futures trend reversion algo 17 responses 19/05/2017
fetch_csv is not defined no responses 19/05/2017
Trying to pick 20 stocks from Filter Pipeline 3 responses 19/05/2017
Confirmation no responses 19/05/2017
How to know a stock is in S&P 500 components? 1 response 19/05/2017
Turnover Ratios 1 response 19/05/2017
The Bean Report 15 responses 19/05/2017
Industry Concentration Strategy 4 responses 19/05/2017
Misleading results? 6 responses 18/05/2017
PvR - Profit vs. Risk 25 responses 18/05/2017
SMA crossover / Stuck in line 18 ("Syntax Error") no responses 18/05/2017
multiple day historical calculation in pipeline 2 responses 18/05/2017
Stochastic Oscillator -- Need quick help printing values ( Corrected) 4 responses 18/05/2017
Stochastic Oscillator no responses 18/05/2017
Perplexing Memory Leak 2 responses 18/05/2017
Getting started hint 1 response 18/05/2017
Hello All: I was HFT trader 2009-2012, want to adapt my pairs trading to Quantopian no responses 18/05/2017
Paid job for coder to implement trading algo no responses 18/05/2017
High Return SPY, SPXL, and EDV 8 responses 18/05/2017
what am I missing in order timing? I feel like my order should be placed 1 minute sooner than it is. 5 responses 18/05/2017
Wrong P&L Graph 9 responses 17/05/2017
Updating an Old Algorithm no responses 17/05/2017
Backtest Crashing at Random Times no responses 17/05/2017
Confused 1 response 17/05/2017
How to add charge and withdrawals function no responses 17/05/2017
Using Variance Analysis to Calculate Customer Growth Rate no responses 17/05/2017
Testing for structural changes 2 responses 17/05/2017
time series BRK_A 1 response 16/05/2017
usu invests andy brim mva robinhood no responses 16/05/2017
usu invests andy brim robinhood ready no responses 16/05/2017
Usu-invests Andy Moving Averages Robinhood no responses 16/05/2017
Buy The ETF or Short Its Reverse ETF ? no responses 16/05/2017
Time frame for supporting Deep Learning libraries on Quantopian 1 response 16/05/2017
How to use fetch_csv() in a scheduled function no responses 16/05/2017
plotting data [HELP] no responses 16/05/2017
SymPy Module no responses 16/05/2017
MinVar etc using scipy.optimize.minimize SLSQP leads to out of bounds solution 8 responses 16/05/2017
Can't log in to IB from algo? 1 response 16/05/2017
junk 12 responses 16/05/2017
Preparing for a career in algorithmic trading (quantitative research) 9 responses 16/05/2017
Dynamic leverage based on a technical indicator no responses 16/05/2017
Loading bars data from CSV? no responses 16/05/2017
Quantopian Lecture Series: Futures Trading Considerations no responses 15/05/2017
Quantopian Lecture Series: Introduction to Volume, Slippage, and Liquidity no responses 15/05/2017
Quantopian Lecture Series: Introduction to Futures Contracts 1 response 15/05/2017
Quantopian Lecture Series: Mean Reversion on Futures 14 responses 15/05/2017
Chicago! Quantopian Meetup on May 18th no responses 15/05/2017
Z-Score for Stock Returns 2 responses 15/05/2017
Contest Leaderboard Not Updating? 28 responses 15/05/2017
Live trading stopped working for me (Solved) 3 responses 15/05/2017
How to get next trading date for an asset? no responses 15/05/2017
Utilizing Margin through Robinhood Gold 1 response 15/05/2017
Buying and selling Bitcoins or any other custom data no responses 15/05/2017
Minutely USEquityPricing data in standalone Python development IDE 2 responses 14/05/2017
Pyfolio | bt.create_full_tear_sheet() was not working | ISSUE RESOLVED 6 responses 14/05/2017
Help needed on Arooon strategy 1 response 14/05/2017
Incorporate Sector Data into Pipeline 3 responses 13/05/2017
How can I store the states of my algorithms when it crashes and restarted 7 responses 13/05/2017
Dividend Class Factor Help 1 response 13/05/2017
Bad price data or bad understanding of historic pricing? 2 responses 13/05/2017
Rolling pct_ret in pipeline 1 response 12/05/2017
cloned algorithm no responses 12/05/2017
[HELP] Does anyone know the syntax of Force Index? 1 response 12/05/2017
handle_data with multiple securities - help 1 response 12/05/2017
RSI, Open, and AVG Strategy[50%, Max Leverage=1] 1 response 12/05/2017
Futures Data Now Available in Research 58 responses 12/05/2017
history for certain dates for machine learning no responses 12/05/2017
Dividend Capture Algo no responses 12/05/2017
Why this Mebane Faber strategy algo does not trade? 1 response 12/05/2017
Clarifying prices by various methods no responses 12/05/2017
Testing for consecutive weekly highs/lows no responses 12/05/2017
62.23 is not equal to 62.23, apparently. data.current price vs history. A floating Python strike isclose() call. 3 responses 12/05/2017
Creating a custom dataset? 2 responses 12/05/2017
Run algorithm daily in local environment no responses 11/05/2017
Looking for statsmodels.tsa.stattools.grangercausalitytests no responses 11/05/2017
How do we get historical prices once before market open and current prices every minute, so as to minimize execution time? no responses 11/05/2017
Language problem (very newbie) 2 responses 11/05/2017
Research platform down! no responses 11/05/2017
Trailing stops on Robinhood no responses 11/05/2017
Pipeline custom factor for downside volatilty 6 responses 11/05/2017
Grab percentiles from pandas pipeline output? no responses 11/05/2017
Pipeline Filter Help 1 response 10/05/2017
Chart of daily portfolio turnover no responses 10/05/2017
Setting stop loss using moving average. no responses 10/05/2017
Recommended "equity" to park cash in on IB no responses 10/05/2017
Backtest Stuck? 1 response 10/05/2017
machine learning cross stock training no responses 10/05/2017
How to schedule a quarterly rebalance 1 response 10/05/2017
Unable to reconcile Information Analysis of Alphalens 9 responses 10/05/2017
A vix strategy which sharp rate > 1.7 and mdd < 0.15, seeking advices. no responses 10/05/2017
P/B ratio not working 7 responses 10/05/2017
SMA Help 1 response 10/05/2017
Formatting Log no responses 10/05/2017
How can len(context.portfolio.positions) be fractional? 3 responses 10/05/2017
Small cap screen? 5 responses 09/05/2017
Returning the low price of the day for the current trading minute??? 3 responses 09/05/2017
Slippage - Under the Hood? Need an expert explanation. no responses 09/05/2017
Creating a Buy/Sell signal program. no responses 09/05/2017
Stocks "disappearing" from historic fundamental data in research 2 responses 09/05/2017
Comparing various python live trading platforms 13 responses 09/05/2017
Help! Negative cash in my Clenow momentum strategy. 3 responses 09/05/2017
1500% returns, -52% drawdown. Thoughts? 5 responses 09/05/2017
Exception when adding other contracts to Futures Trend Follow sample 1 response 09/05/2017
Pseudo Quants 2 responses 09/05/2017
How is optimization done in Quantopian 2 responses 09/05/2017
Advice on reducing drawdown 2 responses 09/05/2017
Orders not filling for even small amounts 6 responses 09/05/2017
Is there any way to persistent in live mode trade? no responses 09/05/2017
RSI AND OPEN Algo[250% Return in one year] 3 responses 09/05/2017
Portfolio of strategies? 2 responses 09/05/2017
Getting Started 2 responses 09/05/2017
Algorithm on an iPad 3 responses 09/05/2017
Calculation of max draw down 3 responses 09/05/2017
futures not ordering 1 response 08/05/2017
Timeout error on pipeline_output 1 response 08/05/2017
AlphaPy: A Machine Learning Framework for Speculators no responses 08/05/2017
Multiple Regression Part 1 nb 1 response 08/05/2017
Crowdsourced YAVolS: Yet Another Volatility Strategy - Crowdsourced Algorithm 3 responses 08/05/2017
How to get data on "Sales growth past 5 years" 1 response 07/05/2017
Pursuing a master thesis topic 1 response 07/05/2017
Issues brought up backtesting with VMIN 6 responses 07/05/2017
Looking for insight into institutional day trading algorithms no responses 07/05/2017
Seminar Empirical Analysis of Stock markets no responses 07/05/2017
Seminar Empirical Analysis of Stock markets no responses 07/05/2017
Talib Chart Patterns no responses 07/05/2017
Alphalens - Using current returns to predict current returns 6 responses 07/05/2017
I can't recall being this annoyed 2 responses 07/05/2017
Starting Discussion - Trading Futures using exponential moving average no responses 06/05/2017
May 6 SF Workshop Temp Post no responses 06/05/2017
Pipeline on RSI, different RSI result compare to Finviz and other sites? no responses 06/05/2017
Multi-Asset Class Futures Model no responses 06/05/2017
Pipeline factor help 12 responses 06/05/2017
Developer Needed for Strategy and Algorithm no responses 06/05/2017
First try!Help needed! no responses 06/05/2017
VXX/XIV article in the Financial Times no responses 06/05/2017
Practices for Slippage-safe Strategies no responses 06/05/2017
Reference request : Kelly Criterion 4 responses 06/05/2017
DCF 1 response 06/05/2017
Help improving this Algorithm - buying at 80% discount 4 responses 06/05/2017
Intraday time periods help! no responses 06/05/2017
Is it possible to install quantopian in local IDE like PyCharm 6 responses 05/05/2017
Trying to day trade a gap up strategy. Please help! 4 responses 05/05/2017
new portfolio stat? no responses 05/05/2017
Quandl Yahoo VIX Dataset Shutdown Notice no responses 05/05/2017
Anyone interested in collaborating on RL approach ? 1 response 05/05/2017
QuantCon NYC Replay no responses 05/05/2017
how to filter for delisted stocks 2 responses 05/05/2017
'bool' object has no attribute 'ndim' ? 1 response 05/05/2017
ES Futures - Only trade during SPY hours 2 responses 05/05/2017
How to calculate beta to sector? 8 responses 04/05/2017
Calculate monthly RSI 1 response 04/05/2017
How to analyze this dataset? no responses 04/05/2017
Cannot get VIX from pipeline and futures in the same program 2 responses 04/05/2017
Problems with Datetime 1 response 03/05/2017
Futures and the data object 1 response 03/05/2017
Removing NAN from Talib ATR Function 2 responses 03/05/2017
Continuous Future Data Lifespans 18 responses 03/05/2017
A Little Python Help? 2 responses 03/05/2017
Problems observed in algo trading equities on futures data. 2 responses 03/05/2017
Informal Quantopian Jam Session in Halifax 9 responses 03/05/2017
Combining Strategic and Tactical Asset Allocation 2 responses 03/05/2017
Intraday minute moving average help! no responses 03/05/2017
Why do I not see all the symbols in the pipeline in the log ? 1 response 03/05/2017
Quandl dropping GOOG and YAHOO databases 9 responses 02/05/2017
Weekly News Sentiment no responses 02/05/2017
Set screen and trading question 5 responses 02/05/2017
Looking for someone to create a core satellite strategy 3 responses 02/05/2017
Empirical Analysis of Stock Markets: talib.STOCH no responses 02/05/2017
Using a Market Timing Rule to Size an Option Position no responses 02/05/2017
Merging Tables Into Pipeline 4 responses 02/05/2017
is there a way to schedule "handle_data" to start 15 minutes after the open? 6 responses 02/05/2017
Zipline sid 1 response 01/05/2017
(deleted) no responses 01/05/2017
Futures Have Launched - Research, Backtesting, Lectures, Tutorial, and More 73 responses 01/05/2017
Unable to live trade with Future's data 10 responses 01/05/2017
Trailing Stop Error - local variable 'cost_basis' referenced before assignment 3 responses 01/05/2017
run examples/buyapple.py got ERROR: Loader: failed to cache the new benchmark returns no responses 01/05/2017
Notebook for realtime scanner? no responses 01/05/2017
Quantopian Fund - what are the target returns and volatility? no responses 01/05/2017
Request for some help editing an algorithm no responses 01/05/2017
Is it possible... to recreat this RBF Model.. to predict price in Quantopian...? 1 response 01/05/2017
Question on chains for continuous futures 2 responses 01/05/2017
Guys do you know if Quantopian also provide the premium membership where user can have dedicate server and backtest will be faster ? 1 response 01/05/2017
Take Profit 10 responses 01/05/2017
Help with last order fill price no responses 30/04/2017
PC1 acceleration 3 responses 30/04/2017
QuantCon 2017, April 30th Hackathon (FUTURES) no responses 30/04/2017
Futures Backtesting with Equitys together no responses 30/04/2017
Price of security N days ahead from within Pipeline 3 responses 30/04/2017
How to convert dynamic string stock symbol to stocks no responses 30/04/2017
Tutorial: Introduction to Zipline in Python no responses 29/04/2017
VWAP Price no responses 29/04/2017
Single Parameter to Custom Filter -- bug?? 1 response 29/04/2017
Assignment for Empirical Analysis of Stock Markets - Seminar no responses 29/04/2017
i'll give anyone a dollar if they can explain why this isn't placing an order. set_max_position error 2 responses 29/04/2017
Next Days Close no responses 29/04/2017
symbol() and sid() undefined 9 responses 29/04/2017
order_percent is selling instead of buying 1 response 29/04/2017
Comparing Data Sets 3 responses 29/04/2017
USEquityPricing and get_pricing data difference 4 responses 29/04/2017
Will there be a Quantopian mutual fund? 1 response 28/04/2017
Rebalancing Trailing Stop no responses 28/04/2017
QuantCon NYC 2017 Advanced Workshop 2 responses 28/04/2017
Getting Month Start Market Cap no responses 28/04/2017
ML using ExtraTreesRegressor - Alphalens Query no responses 28/04/2017
The algo based on AI is trade's future 1 response 28/04/2017
Machine Learning Models And Estimators 8 responses 28/04/2017
Bug: Zombie Algo Comes Back After Being Stopped no responses 28/04/2017
Backward Difference Gradient no responses 28/04/2017
ImportError: No module named psychsignal.stocktwits 9 responses 28/04/2017
New Dropdown in the Backtester - Futures 5 responses 27/04/2017
Backtesting algorithms on Random Walk Process no responses 27/04/2017
Robin hood live trading 6 responses 27/04/2017
Help..Data of the grains futures looks not ideal at all... 2 responses 27/04/2017
Normalize MACD values? no responses 27/04/2017
Looking for someone who wants to build algorithms with me no responses 27/04/2017
Record PnL per stock 2 responses 27/04/2017
Back test results no responses 27/04/2017
Trading using Random Forest model 1 response 27/04/2017
Quantopian's slippage model for futures 2 responses 26/04/2017
Quantopian Contest - paper trading start question 1 response 26/04/2017
Using BBands with CustomFactor 3 responses 26/04/2017
Importing External Data for Trading Strategy no responses 26/04/2017
performance of a stock versus its sector index no responses 26/04/2017
Creating a factor which is the total count of True/False values created by pipeline Filters for each stock within a pipeline. no responses 26/04/2017
Relative orders in live trading no responses 26/04/2017
Constraint based Unsupervised Learning in Python to figure out Most Profitable Trading Strategy? Is it possible? no responses 26/04/2017
Tear sheet: non-unique MultiIndex error after concatenating pipeline output 2 responses 26/04/2017
Backtesting Volatility pre 2007. 1 response 26/04/2017
daytrader chart no responses 26/04/2017
Pipeline average volume for stocks in universe 3 responses 26/04/2017
Pipeline prev close price adjusted for splits and dividends no responses 26/04/2017
30mins RSI using ta-lib no responses 25/04/2017
Basic Question: 2.5% of Daily Volume max fill on slippage assumption? no responses 25/04/2017
Problems reproducing Antonacci's dual momentum GEM strategy 5 responses 25/04/2017
Unknown Error Help no responses 25/04/2017
Delayed Data? 1 response 25/04/2017
talib ADX Indicator with Q500US no responses 25/04/2017
Buy and Hold - Bypassing Robinhood Gold (margin) negative Balance 5 responses 25/04/2017
Custom Factor - dynamic window length and timestamp 1 response 25/04/2017
Fundamental Data on Portfolio stocks 5 responses 25/04/2017
help with volume spike purchasing formula no responses 25/04/2017
How can I lower my algo's beta? no responses 24/04/2017
pipeline troubles 1 response 24/04/2017
RETIRED LECTURE: Momentum Strategies 13 responses 24/04/2017
Tear sheet plots all squeezed together 4 responses 24/04/2017
Basic tear sheet problem with rolling beta - found the cause of the error 2 responses 24/04/2017
Strategy Coding Exercise no responses 24/04/2017
NonWindowSafeInput Error - Custom Factor within another Custom Factor 5 responses 24/04/2017
RSI Algorithm help NEEDED 1 response 24/04/2017
store list on day 1 to use on day 3 3 responses 23/04/2017
Ordering 100% percent portfolio value of shares exhibiting bizarre results 4 responses 23/04/2017
test 1 response 23/04/2017
Intro to algo trading in London 22nd April 13 responses 22/04/2017
Leverage and Sentiment Analysis 4 responses 21/04/2017
XIV / UVXY Trading 11 responses 21/04/2017
Buying with a pipeline, selling with different moving averages?????? HELP PLEASE 1 response 21/04/2017
How to grab just the top 10, or top 100 stocks within a percentile? 1 response 21/04/2017
usage of "import quantopian.algorithm as algo" ? no responses 21/04/2017
Scaling 1 response 21/04/2017
Error: from quantopian.algorithm import attach_pipeline, pipeline_output 3 responses 21/04/2017
How do I implement this pattern in Quantopian? no responses 21/04/2017
Historical Data no responses 20/04/2017
Please HELP ME: SMA value delay no responses 20/04/2017
Sourcing data in the Research Environment 1 response 20/04/2017
AVG Cost no responses 20/04/2017
Help! Code not working!. no responses 20/04/2017
Flexible Asset Allocation no responses 20/04/2017
Please help with this simple SMA strategy 3 responses 19/04/2017
Investable Universes no responses 19/04/2017
Code Not Working - Please Help 2 responses 19/04/2017
Basic Q - choosing the right quantiles while going long/short no responses 19/04/2017
Notebook Logic Error no responses 19/04/2017
Interactive Broker coder 1 response 19/04/2017
"Herding Robotic Cats" 4 responses 19/04/2017
How to determine the algos' correlations? no responses 19/04/2017
need help on 'kernel died ' 1 response 19/04/2017
Basic Q - combining custom factors with existing factors 3 responses 19/04/2017
Rebalancing the portfolio 1 response 18/04/2017
How to make factors be the input of CustomFactor calculation? 8 responses 18/04/2017
RobinHood Vix Mix 11 responses 17/04/2017
JAVoIS: Just Another Volatility Strategy no responses 17/04/2017
Zack’s Long-Short PEAD with News Sentiment and the Street's Consensus no responses 17/04/2017
101 Alphas Project: Alpha #41 no responses 17/04/2017
Are Earnings Predictable with Buyback Announcements? no responses 17/04/2017
Zack's Long-only PEAD with News Sentiment and the Street's Consensus no responses 17/04/2017
How to get single stock price data in CustomFactor calculating 2 responses 17/04/2017
What to learn to master Quantopian coding skills? no responses 17/04/2017
A slight twist on magic formula yield 2 responses 17/04/2017
Has anyone applied Machine learning to pick stocks here? 1 response 16/04/2017
Capital Allocation 9 responses 16/04/2017
Tutorial geared towards data analysis no responses 16/04/2017
VWAP slippage no responses 16/04/2017
Historical option vol data no responses 16/04/2017
Beginner trying to Create my own trading strategy using Ichimoku, RSI, Volume no responses 16/04/2017
Help needed to cancel stop/limit accordingly! 2 responses 16/04/2017
Beta Zero-Targeting - Automatic - Never worry about Beta again 19 responses 16/04/2017
Can use pipeline with bar data from yahoo in zipline evn ? no responses 16/04/2017
How to use USEquityPricing 2 responses 16/04/2017
Iterating Through Portfolio to set Stop Loss Order(s) no responses 16/04/2017
Nesting of "If, Elif, Else"? 1 response 15/04/2017
help using zipline on non US stocks 1 response 15/04/2017
Generating the Bayesian Forecast Cone Graph in Research (plus a bonus!) 1 response 15/04/2017
Why is my code selling securities even though they are still in the context.ouput of my pipeline?? 1 response 15/04/2017
Trailing Stop Loss Order? 1 response 15/04/2017
Simplest Machine Learning With KNN, Benchmark QQQ 1 response 14/04/2017
Previous SMA in Pipeline 1 response 14/04/2017
How to access Data in Pipeline Custom Factor 1 response 14/04/2017
Running pipeline more than once a day 4 responses 14/04/2017
Simple Stop Loss Order no responses 14/04/2017
Currently writing a Master Thesis, Could I use Quantopian ? 1 response 14/04/2017
Can anyone sell me tickets to QuantCon? 2 responses 14/04/2017
Gold Silver Pairs Trading. 1 response 14/04/2017
Ways to Limit Commission no responses 14/04/2017
QuantCon NYC 2017 Agenda and Live Stream no responses 13/04/2017
Anyone could tell me about competitions on tick-by-tick data? 3 responses 13/04/2017
Gold and Silver Pairs Trading 1 response 13/04/2017
to delete no responses 13/04/2017
Buying Worst Performing positions in my portfolio no responses 13/04/2017
Need some advice how to run away from certain technical patterns no responses 13/04/2017
Research Notebook not working 3 responses 13/04/2017
Weighted portfolio holdings by averaged volatility. diverged from SPDR no responses 13/04/2017
Period of Performance for Contest - Not Apples-to-Apples no responses 12/04/2017
Tear Sheet no responses 12/04/2017
KAMA Crossover Buy/Sell 1 response 12/04/2017
code not working - i'm a complete newbie 1 response 12/04/2017
Limitations of backtest model for short-selling 9 responses 12/04/2017
PIPELINE OUTPUT LIMITING How do I get this to output 20 rows? Where do I need to add a filter or a screen etc.. Thanks for the help! 4 responses 12/04/2017
Selling stock after time 13 responses 12/04/2017
Live trading with Interactive Brokers 1 response 12/04/2017
PLEASE HELP!!! MY SCREEN IN PIPELINE IS NOT WORKING!!!!!! 5 responses 12/04/2017
CAGR on fundamental data too slow? no responses 12/04/2017
Alphalens saving results no responses 12/04/2017
Bull/Bear Lagging Price Hedge 1 response 12/04/2017
Enhancing Mean Reversion Algorithms 4 responses 11/04/2017
Java Artificial Intelligence Beginner, Machine Learning Examples needed 1 response 11/04/2017
Backtests inaccurate for short selling 1 response 11/04/2017
500 Internal server: get_fundamentals with range_specified 2 responses 11/04/2017
Nasdaq/NYSE stock & ETF datasets where you can get customized column labels/features for signal boosting no responses 11/04/2017
New to Python: pipeline question 1 response 11/04/2017
How can I filter securities based on the Exchanges they are available on? 1 response 10/04/2017
Making a regression analysis in Quantopian research notebook no responses 10/04/2017
What are the best strategies for a researcher writing a research paper? no responses 10/04/2017
Screening stocks based on percentage changes from previous day no responses 10/04/2017
Notebook pipeline runs out of memory 2 responses 10/04/2017
What is the best IDE for trading with Python? no responses 10/04/2017
Simple way to find SMA crossovers in Pipeline no responses 09/04/2017
SMA CROSSOVER PIPELINE HELP PLEASE! 2 responses 09/04/2017
Chipy - Research Notebook Tutorial no responses 09/04/2017
A Question on Mean Reversion no responses 08/04/2017
Mtl Workshop no responses 08/04/2017
Equity Momentum 37 responses 08/04/2017
[Feedback request] A newbie building his framework to start messing with algos 1 response 08/04/2017
Quantopian Futures 11 responses 08/04/2017
Mtl Quantopian Workshop no responses 08/04/2017
Mtl Quantopian Workshop My Pairs no responses 08/04/2017
Making Use of Futures Historical Data to Explore Asset Relationships no responses 08/04/2017
Futures 2 responses 07/04/2017
Question on Zipline and Pandas Data Reader When Attempting to RunAlgo Through Python Spyder Notebook 7 responses 07/04/2017
HELP! Where can I find the parameters for the indicators available in TA-LIB?!?!?!?!?! 5 responses 07/04/2017
How often to rebalance long-short portfolio? 2 responses 07/04/2017
James Montier Trinity of Risk Short Strategy 3 responses 07/04/2017
1 no responses 07/04/2017
2 no responses 07/04/2017
3 no responses 07/04/2017
Resample of monthly data 2 responses 07/04/2017
How to handle portfolio with IB trading 8 responses 07/04/2017
VIX futures data 11 responses 07/04/2017
Just getting started. Want to create a momentum type algo 1 response 06/04/2017
MT4 trigger for Quantopian no responses 06/04/2017
Create Leveraged ETF List no responses 06/04/2017
Timing for EPS seems inaccurate. 2 responses 06/04/2017
STEADFAST ALGORITHM 1 response 06/04/2017
Simple Question - Sorting and Rebalancing 2 responses 06/04/2017
How to get Static Assets in Research? 1 response 06/04/2017
Trading backtest no responses 06/04/2017
Data Sources - Leading Activity no responses 06/04/2017
We Made Our First Multi-Million Dollar Allocations 15 responses 06/04/2017
How to Compute Industry Values? 1 response 06/04/2017
Quantopian Futures API Tutorial 9 responses 06/04/2017
BUG? Corporate Action HPE spin-off to DXC and backtesting 3 responses 06/04/2017
Help understanding UVXY 5 responses 06/04/2017
Working in my own research environment with Quantopian data? 3 responses 06/04/2017
TOO GOOD TO BE TRUE??? 2 responses 06/04/2017
Historic value lookup and quantification [WIP] no responses 06/04/2017
Monthly Close and Monthly Open no responses 06/04/2017
long-short market neutral w/ CVXPY optimization 1 response 05/04/2017
The Process of Naming the Contest 14 Prizes 48 responses 05/04/2017
PnL 4 responses 05/04/2017
Alphalens with a single security? 5 responses 05/04/2017
Short logic with legal leverage 3 responses 05/04/2017
fetch_csv signal vs stock no responses 05/04/2017
Database of historical news for sentiment validation (Accern, Sentdex etc) 1 response 05/04/2017
TimeoutException in data Handle no responses 05/04/2017
Hands on Finance - Wang Yi no responses 05/04/2017
Yumin's Strategy 1 response 05/04/2017
"STOCK" is part of SEC's Tick Size Program. (Robinhood reject for stop market order) 2 responses 05/04/2017
Buying power (Interactive Brokers) 1 response 04/04/2017
usuinvests Andy Brim Pairs Trading no responses 04/04/2017
How to get selected minute volume data 3 responses 04/04/2017
Alphalens - Performance analysis of predictive alpha factors 20 responses 04/04/2017
Q500US Question no responses 04/04/2017
Implementing Profitable Mean Reversion after Large Price Drops 2 responses 04/04/2017
Pipe Set Screen with multiple values no responses 04/04/2017
Percentage change of a Moving average 3 responses 04/04/2017
Track Orders 9 responses 04/04/2017
Unexpected behavior with order_target_percent method 2 responses 04/04/2017
algorithms sorting by last run no responses 03/04/2017
Does IDE have autocomplete? 7 responses 03/04/2017
Old RSI -> New RSI no responses 03/04/2017
Pipeline filter not working in research platform 5 responses 03/04/2017
Notebook API 'get_pricing' stopped working 4 responses 03/04/2017
If order is not fully executed do remaining open positions follow the logic of the algo? 2 responses 03/04/2017
Get date of current backtest day 2 responses 03/04/2017
Pipeline Tutorial Help 2 responses 03/04/2017
Margin costs 1 response 03/04/2017
How to include day's opening price? 1 response 02/04/2017
Boston Workshop Sharing Thread no responses 02/04/2017
Test no responses 02/04/2017
Error: could not broadcast input array from shape 2 responses 02/04/2017
How to Retrieve a Day's Intraday Minute by Minute Data For a Specific Stock 5 responses 02/04/2017
Estimation of Asset Distribution 4 responses 01/04/2017
Edgar data no responses 01/04/2017
S no responses 01/04/2017
Trouble with basic Pyfolio Tearsheet 3 responses 01/04/2017
Using data in pipeline 2 responses 01/04/2017
What about a new contest? 3 responses 01/04/2017
Fetcher Help no responses 31/03/2017
beginner's luck 4 responses 31/03/2017
Limit / stop orders for short selling 5 responses 31/03/2017
Long-Short with iShares 1-3 Year Treasury Bond (SHY:) and iShares 20+ Year Treasury Bond (TLT) 1 response 31/03/2017
Indentation error when trading on signal from CSV-file no responses 31/03/2017
Split rules? no responses 31/03/2017
Algo taking hold of existing manual positions? no responses 31/03/2017
HELP! run_pipeline() module name in IDE 1 response 31/03/2017
Nasdaq top 10 strategy (can anyone test or code). 3 responses 31/03/2017
Morningstar Industry Code? 9 responses 31/03/2017
L/S Mean Reversion for SPDR no responses 30/03/2017
Quantopian Lecture Series: Comparing ETFs Exercises DRAFT 1 response 30/03/2017
Best performing algorithms 47 responses 30/03/2017
rebalancing your positions daily 5 responses 30/03/2017
Pair trading strategy 3 responses 30/03/2017
Institutional Investing 3 responses 30/03/2017
Pairs Trading with automatic pair selection 1 response 30/03/2017
Import Historical Data Pre 2002 no responses 30/03/2017
Is there a way to get live VIX price? 1 response 29/03/2017
Quantopian Lecture Series: Pairs Trading Exercises DRAFT 2 responses 29/03/2017
Help - cancel order! no responses 29/03/2017
Quantopian Lecture Series: Introduction to pandas Exercises DRAFT 1 response 29/03/2017
Short Interest no responses 29/03/2017
Quick Question : Is the Q500 a subset of the Q1500 ? 1 response 29/03/2017
ETF Rotation Strategy 17 responses 29/03/2017
Margin vs leverage and shorting no responses 29/03/2017
Help with adding a new bundle for fundamental data API no responses 29/03/2017
10k vs 10Q 1 response 29/03/2017
ETF Swing Strategy (Playing with the ETF and the inverse ETF) no responses 29/03/2017
Key error when iterating through context.portfolio.positions 4 responses 29/03/2017
Fundamental factors in pipeline in Research no responses 28/03/2017
Is there any way to download the logs? no responses 28/03/2017
Futures Workshop Debuting at QuantCon NYC on April 28th 3 responses 28/03/2017
Can Quantopian backtest customized alphas 1 response 28/03/2017
Looking for coding partner 1 response 28/03/2017
XIV trading based on RSI, ROC and WVF 13 responses 28/03/2017
Why am i getting such a high return? 1 response 28/03/2017
New to Quantopian and Pipelines 1 response 28/03/2017
Quantopian Lecture Series: Factor Analysis 5 responses 27/03/2017
Looking to create or find dataset of danish stock no responses 27/03/2017
Cumulative Trade Metrics 1 response 27/03/2017
Sell logic no responses 27/03/2017
yahoo historical prices webpage vs. pandas data.datareader vs. quantopian data.history no responses 27/03/2017
Can i trade my two ib accounts at the same time? 2 responses 27/03/2017
Interday Limit Orders no responses 27/03/2017
gj Sentiment Analysis code error no responses 27/03/2017
NUS MSBA Chinatown Project 2 no responses 27/03/2017
Mean Reversion Error 3 responses 26/03/2017
1 no responses 26/03/2017
WANG NUS no responses 26/03/2017
Pipeline stuck on backtests 4 responses 26/03/2017
Growth Rate with Factor 3 responses 26/03/2017
Parameter exploration / running several backtests (from notebook) 1 response 25/03/2017
Max long exposure and max short exposure with a quadratic objective? 14 responses 25/03/2017
Constraint on portfolio variance 7 responses 25/03/2017
Turbo Binary a scam? no responses 25/03/2017
fetcher fetch_csv question 3 responses 25/03/2017
VIX updating times 4 responses 25/03/2017
How to generate Weekly and Monthly OHLC Bars with Quantopian Data 4 responses 25/03/2017
Need someone to help with leverage on this 5 responses 25/03/2017
any code examples for pairs finding no responses 24/03/2017
Aroon Pipeline Factor 2 responses 24/03/2017
Can an algo read external parameters from a file? 2 responses 24/03/2017
Ranking all stocks by performance 5 responses 24/03/2017
Daily Dip and Peak Intraday SPY Trader 1 response 24/03/2017
Hello, need to maintain leverage and make sell order function correctly 4 responses 24/03/2017
How to set the log level to Info 4 responses 24/03/2017
Notebook memory limits not sufficient to load a 10 year backtest 2 responses 24/03/2017
Machine Learing|Mean Reversion|The Bottom Of The Q500 3 responses 24/03/2017
Using CustomFactor as Stop Loss no responses 23/03/2017
Tax Harvesting Long Only 3 responses 23/03/2017
Quantopian Universes - Updating Limited Partnership(LP) Filtering no responses 23/03/2017
Unable to access historical fundamental data 3 responses 23/03/2017
Newbie Looking for Collaborators no responses 23/03/2017
How to improve when Alpha weight is too strongly concentrated or too a few stocks are assigned weight? 1 response 23/03/2017
How use data.current in Research mode? no responses 23/03/2017
How to Code percent profit target and dates. 1 response 23/03/2017
Adding a Custom Factor to Pipeline 6 responses 23/03/2017
Dump trades and daily position data 1 response 23/03/2017
NUS Hands-on BA China no responses 23/03/2017
Calculate the correct EPS Growth Rate 2 responses 23/03/2017
Robinhood trailing stop loss 12 responses 23/03/2017
Buy Red Candle, Hold 12 weeks, Sell (Stocks and Commodities, April 2017, pg 18) no responses 23/03/2017
Leverage Problems, when trying to go into TLT safe haven 7 responses 22/03/2017
HELP! Very specific question for order entry no responses 22/03/2017
Storing price 1 response 22/03/2017
Clone button - open in a new tab (small suggest) 3 responses 22/03/2017
Creating algo based on chart patterns 1 response 22/03/2017
How do I check if I have already placed an order on a specific stock today? 10 responses 22/03/2017
Display internal backlinks / close/lock post / pinging user and more generally community management no responses 22/03/2017
Display annualized metrics no responses 22/03/2017
Algo trading against predictable order flow. 1 response 22/03/2017
Display backtest speed in bars/s no responses 22/03/2017
USU Invests Matt DeAngelo no responses 22/03/2017
andybrim_mva2 no responses 21/03/2017
What is this /= for portfolio weighting? 3 responses 21/03/2017
Building an indicator based on P/E and interest no responses 21/03/2017
How does one access elements of a pipeline index? 5 responses 21/03/2017
Newbie Question regarding some functions 4 responses 21/03/2017
Emergency Stop: Cancel All Open Orders. 3 responses 21/03/2017
Help with a maximum Holding period XIV strategy 4 responses 21/03/2017
record function double writing data points (Zipline) no responses 21/03/2017
How to construct good training sets for supervised machine learning algorithms? no responses 21/03/2017
Using pipeline to select the top 30 stocks based on their returns 11 responses 21/03/2017
Failure To Create Full Tear Sheet no responses 20/03/2017
I couldnt see the tearsheet easily (the cell was vertically too short) no responses 20/03/2017
Position Neutral Algorithms (PNA) no responses 20/03/2017
SEC tick size requirement in Robinhood no responses 20/03/2017
IB Live Trading Help! 2 responses 20/03/2017
Python Pairs Trading - Z score and Correlation Coefficient for negative correlation (2) 3 responses 20/03/2017
Intraday Stat Arb Paper - did anyone code this? no responses 20/03/2017
fundamentals stock screening using a formula 1 response 20/03/2017
Bad EPS data in morningstar? 2 responses 20/03/2017
Insider Trading Algo - Need help! 8 responses 19/03/2017
NUS MSBA Chinatown_Moving Average Crossover v2 no responses 19/03/2017
how can I get the trade summary report 1 response 19/03/2017
deleted no responses 19/03/2017
Pipeline problem 3 responses 19/03/2017
is there a way to track how many days a position is held or when it was entered? 4 responses 18/03/2017
Why are the two lists different? pipeline Q500US vs fundamentals. 2 responses 18/03/2017
Quantopian Lecture Series: Hypothesis Testing Degrees of Freedom Correction 1 response 18/03/2017
Python 2 or 3 11 responses 18/03/2017
how to close previous account after shorting? no responses 18/03/2017
How to get ex dividend dates for an ETF/ETN 1 response 18/03/2017
how to get PEG ratio? 3 responses 18/03/2017
long-short market neutral mean reversion 1 response 17/03/2017
too much draw down, not smooth enough but nice to look at and dream about making that much 5 responses 17/03/2017
Sell and buy logic with a profit taking portion no responses 17/03/2017
Leverage and Beta when Long and Short 1 response 17/03/2017
Python Pairs Trading - Z score and Correlation Coefficient for negative correlation 1 response 16/03/2017
Is Snapchat available in the api database? 1 response 16/03/2017
Screening using fundamental data no responses 16/03/2017
Discrepancy Between Transaction Log and Results 1 response 16/03/2017
Did dropbox changed their public folder privacy settings? 2 responses 16/03/2017
Hello World rebalancing no responses 16/03/2017
Multiple Features: Time_lagges,3_day_retruns,5_day_returns,lag1,lag2 using Logistic Regression no responses 16/03/2017
return a list or series in a method that is referencing a PD Dataframe 1 response 16/03/2017
Using fetch_csv with non-consecutive dates no responses 16/03/2017
Logistic Regression and time lagged series no responses 15/03/2017
How to obtain a time series of factors using pipeline 5 responses 15/03/2017
QuantCon NYC 2016 Videos no responses 14/03/2017
Google chrome runs out of memory and becomes very slow running heavy duty backtests no responses 14/03/2017
Record Price Sold At? no responses 14/03/2017
Bottom probability with Dynamic Exit no responses 14/03/2017
Back testing stocks daily data at set times no responses 14/03/2017
Alphalens factors? 1 response 14/03/2017
Alphalens - a new tool for analyzing alpha factors 111 responses 14/03/2017
[BUG ] Pipeline VIX 16 responses 13/03/2017
New Tutorial Available on Quantopian - Algorithmic Trading by Sentdex 4 responses 13/03/2017
In backtests, Is stop order triggered even when low point in a min bar reaches the stop quote while close value doesn't for sell orders? same question applies for buy orders no responses 13/03/2017
Regarding use tensorflow library in quantopian for deep learning 2 responses 13/03/2017
Pipeline with current price 2 responses 13/03/2017
Enhancing Short-Term Mean-Reversion Strategies 79 responses 13/03/2017
.. 1 response 13/03/2017
Do momentum and reversals coexist? 3 responses 12/03/2017
Is there any limit of fetch_csv() calls? no responses 12/03/2017
Help!: index out of bounds in research environment 1 response 12/03/2017
relationship between VXX & XIV? 3 responses 12/03/2017
why is my random s&p 500 stock algorithm doing strange things 1 response 12/03/2017
Why is "order_target_percent" not working correctly? no responses 12/03/2017
Stop Order Error no responses 12/03/2017
Help with Pipeline Calculation no responses 12/03/2017
Biased Net Twitter Sentiment Analysis With Ensemble Assurance no responses 12/03/2017
Is there a way to trade stocks that were not in SID list? 1 response 11/03/2017
Please help me tune ADX to match TD Ameritrade values 4 responses 11/03/2017
Simple High Yield Bond Momentum Strategy 1 response 10/03/2017
ImportError on pyspark.sql.functions 1 response 10/03/2017
S&C V32.1 pg36 Outperform the Market with Sector ETFs 5 responses 10/03/2017
Help Converting Algorithm no responses 10/03/2017
Robinhood setup? 1 response 10/03/2017
Stocktwats Algo 1 response 10/03/2017
Fundamental Mean Reversion Algorithm 16 responses 10/03/2017
Shorting ETF Pairs EX: JNUG/JDST 5 responses 10/03/2017
Live Algorithm Life time? 2 responses 09/03/2017
research memory not sufficient to load backtest in pyfolio 3 responses 09/03/2017
Limitations of Quantopian's optimize API 3 responses 09/03/2017
Analyzing mistakes based on history 1 response 09/03/2017
Anyone day trading live with Quantopian/Robinhood? 1 response 09/03/2017
Robin Hood VIX Mix 139 responses 09/03/2017
IB Data Lag 2 responses 08/03/2017
Beginner filtering questions? 1 response 08/03/2017
Sector Rotation Momentum + Mean Reversion 33 responses 08/03/2017
Help: trading put options with Algo? 1 response 08/03/2017
Need advise from live traders please. 2 responses 08/03/2017
Trailing Stop with Interactive Brokers no responses 08/03/2017
Condition(s) to Run a Function 2 responses 08/03/2017
Simple EMA Algo no responses 08/03/2017
list of ETFs by price? 5 responses 08/03/2017
Dropbox Quandl backtest discrepency 3 responses 07/03/2017
Another Volatility Strategy - VIX levels and Futures ratios 105 responses 07/03/2017
Newbie: using data.history to get price, want to put ticker symbol of currently referenced stock in log 1 response 07/03/2017
Alpha Vertex PreCog Dataset 61 responses 07/03/2017
4. newbie questions no responses 07/03/2017
Hurst Exponent 1 response 07/03/2017
Black Litterman no responses 07/03/2017
RMR Strategy no responses 07/03/2017
More long stocks in portfolio than the code demanded? no responses 07/03/2017
get_open_orders returns only open orders which are not filled? 2 responses 07/03/2017
My first algo-trade 7 responses 07/03/2017
Anyone interested in freelancing work? no responses 07/03/2017
Having Trouble Ordering Multiple Securities no responses 06/03/2017
[Issue/Bug report] Research Notebook Auto Restart 1 response 06/03/2017
Help shortening my code 1 response 06/03/2017
Help needed to code my system no responses 06/03/2017
order on a specific day every month 2 responses 06/03/2017
Random Forest no responses 06/03/2017
Starter got runtime errors no responses 06/03/2017
Forward filling price history for Machine Learning no responses 06/03/2017
Intro to algo trading in London 5th March 3 responses 05/03/2017
Why is This Algorithm Trading on Fundamentals Without Updates? 2 responses 05/03/2017
Quantpedia? Any subscribers here? What is your feedback? no responses 05/03/2017
Order Target Percent 6 responses 05/03/2017
Backtest results inaccurate to live trading by 1 minute - big difference 9 responses 05/03/2017
SMA Backtest Running Slow no responses 05/03/2017
Value composite 2 (VC2) attempt 3 responses 05/03/2017
Arnikon Cranes no responses 04/03/2017
Market Neutrality 1 response 04/03/2017
Using stocks fetched from CSV as universe for pipeline 4 responses 04/03/2017
Percent Change 3 responses 03/03/2017
Using Research for Basket of SIDS no responses 03/03/2017
Shorting Strategy Help 2 responses 03/03/2017
How to use Talib HT_SINE correctly? 1 response 03/03/2017
How to tell if a price jump is a stock split? 4 responses 03/03/2017
Quantopian & Robinhood - lessons learned & best practices? 20 responses 03/03/2017
Is this common behavior for an algo? 1 response 03/03/2017
Fixed Income Product? 1 response 02/03/2017
Dairy farming algorithms for decision optimization? 2 responses 02/03/2017
Quantopian Hackathon at HackUTD no responses 02/03/2017
Solution for loading ML models? 11 responses 02/03/2017
Fetch CSV of stocks to use between dates provided no responses 02/03/2017
Excuse my stupidity: What Happened? 8,000% gains?????? 3 responses 02/03/2017
PureAlpha by Accern: Classic L/S Monthly Liquidation no responses 02/03/2017
PureAlpha by Accern: Classic L/S Daily Liquidation 2 responses 02/03/2017
XIV data missing no responses 02/03/2017
how to disable margin/leverage in backtest? 1 response 02/03/2017
AttributeError: 'BoundColumn' object has no attribute 'Latest' 3 responses 01/03/2017
Code to capture profit on price jump 9 responses 01/03/2017
Reverse RSI indicator 1 response 01/03/2017
Extremely slow backtest 3 responses 01/03/2017
Q1500US, Q500US, Default Universe Update - Minimum Market Cap 9 responses 01/03/2017
Interactive Brokers introduces native Python API no responses 01/03/2017
The notebook example for VXN does work? 1 response 01/03/2017
Server Error in get_pricing() 7 responses 01/03/2017
Attempt 1 no responses 01/03/2017
usuinvests mva5 algo no responses 01/03/2017
Is there currently as issue with the "Algorithms" Section 3 responses 28/02/2017
Cloudflare services down 3 responses 28/02/2017
No enough cash when rebalancing several stocks 3 responses 28/02/2017
Current date is not enabled in the date picker (to date) in Algorithms 1 response 28/02/2017
Robinhood rejecting/cancelling too many orders. Any reason why this is happening? 19 responses 28/02/2017
Day Traders no responses 28/02/2017
600% Algo: Based on JNUG / Gold [Need Advice] 1 response 28/02/2017
Pipeline Implementation 3 responses 28/02/2017
shortless market neutral 9 responses 28/02/2017
How to build a customfactor to calculate new high after 30 days low? 1 response 28/02/2017
Finding Market Bottoms with William's Vix Fix and lowest price days range - Grid Search 4 responses 27/02/2017
how to access to history of factors in pipeline? 4 responses 27/02/2017
Pulling Symbol Data From An Excel File no responses 27/02/2017
Is it possible to fetch_csv in before_trading_start() ? 2 responses 27/02/2017
fetch_csv date_format not working no responses 27/02/2017
How to add current price to USEquityPricing.close ? 3 responses 27/02/2017
IB,Two-Factor Authentication and Live Trading 1 response 27/02/2017
data.fetcher_assets is empty or null no responses 27/02/2017
PLEASE HELP! 4 responses 27/02/2017
dynamic momentum no responses 26/02/2017
123 no responses 26/02/2017
Asset Pricing - Home Assignment 4 no responses 26/02/2017
Open Range Breakout 2 responses 26/02/2017
р 1 response 26/02/2017
Net Money - feeding on overreaction 3 responses 26/02/2017
VXX insurance strategy? no responses 26/02/2017
How to determine strategy is ready for live trading? 1 response 25/02/2017
notebook backtest % gainers -3day and +3 day close price window no responses 25/02/2017
Time of purchase no responses 25/02/2017
I would really like to not invest 25% of $25,000 at my first live algo attempt! 3 responses 25/02/2017
Pulling 52 week low 4 responses 25/02/2017
How can I sell a stock after 2 years of the date of buy? no responses 25/02/2017
How can I backtest using security data loaded using fetcher? no responses 25/02/2017
Quantopian Pipeline Order Universe By Market Cap Desc 4 responses 25/02/2017
Scanning 1 response 25/02/2017
Live algo keeps disconnecting 1 response 25/02/2017
Data sources in Quantopian store 2 responses 24/02/2017
Long term P/E, can the current bull market last, what do you think? 5 responses 24/02/2017
Correlation between prices or returns? 1 response 24/02/2017
Backtest date bug? 3 responses 24/02/2017
What to do if the backtest is too slow? 2 responses 24/02/2017
First_try no responses 24/02/2017
Which pipeline is wrong? 3 responses 24/02/2017
Which pipeline is wrong? no responses 24/02/2017
Selling more than I buy? With set_only_long() 5 responses 24/02/2017
Rebalance versus schedule_function - sudtleties... 4 responses 24/02/2017
Millenial money customised algo 2 responses 23/02/2017
Did the Robinhood connection mess up yesterday no responses 23/02/2017
Live algo keeps disconnecting and asking for broker login 1 response 23/02/2017
"volatility strategies" - what are they? 15 responses 23/02/2017
No Return From Pipeline? 4 responses 23/02/2017
YAVolS: Yet Another Volatility Strategy - XIV Sniper Using RSI2 24 responses 23/02/2017
A Smaller Portfolio May Be Larger !!! 2 responses 22/02/2017
How to properly setup multiple IB accounts for separate algorithms 3 responses 22/02/2017
Calculating Values from Trailing Window of Data 8 responses 22/02/2017
Calculating RSI2 for present date & day before 5 responses 22/02/2017
fetch_csv not pulling integers no responses 22/02/2017
Trading Help 3 responses 21/02/2017
Getting Value from Trailing Window 2 responses 21/02/2017
Schedule on specific dates using Fetcher no responses 21/02/2017
Porting an algorithm to research plus issue extending the position object using a dataframe (new to Python/Quantopian) 1 response 21/02/2017
Bug on tutorial "4. Tutorial - Using Fundamental Data"? no responses 21/02/2017
Checking Volume Direction 1 response 21/02/2017
Momentum Strategy Need Help no responses 21/02/2017
Multi Factor Smart Beta Strategy You Can Actually Use with Confidence 12 responses 21/02/2017
Number of Shares Held... 2 responses 20/02/2017
Survivor Bias Adjusted? 3 responses 20/02/2017
Romanov no responses 20/02/2017
Works 2 responses 20/02/2017
Working with the S&P500 as my universe 2 responses 20/02/2017
Anybody worked with PyMCEF package (Python Monte Carlo Efficient Frontier)? no responses 20/02/2017
Accessing historical strategy performance no responses 20/02/2017
How to set the optimal value to a trigger signal? no responses 20/02/2017
A Simple ETF Algo no responses 20/02/2017
Can someone write a simple algo no responses 19/02/2017
Seattle Algorithmic Trading Meetup no responses 19/02/2017
Sns Swarmplot In Research no responses 19/02/2017
T-Rex strategy 5 responses 19/02/2017
Another VIX trading algorithm using the new ETF - VMIN 3 responses 19/02/2017
Particle Filtering applications in Quantopian ? no responses 18/02/2017
Strategy_Group Botanic Garden no responses 18/02/2017
Creating an algo that manages several algos no responses 18/02/2017
Newbie to Algo Trading and Quant. I was wondering if anyone could explain these charts to me 3 responses 18/02/2017
Help with converting daily mode talib.RSI to minutely mode talib.RSI... 2 responses 18/02/2017
Help!! Can't find where is wrong :( no responses 18/02/2017
how to know market sell price? no responses 17/02/2017
Overnight ETF appreciation 4 responses 17/02/2017
jumps to 10 leverage immediately on backtest 2 responses 17/02/2017
Best practice for dealing with limit orders 4 responses 17/02/2017
Possible to do a percentage rank (by time, not by stock) as a custom factor? 4 responses 17/02/2017
HELP, PLEASE 2 responses 17/02/2017
Robinhood Trailing Stop Loss 1 response 17/02/2017
MarketCap 2 responses 17/02/2017
How to use Q500US 13 responses 17/02/2017
[Question] Custom Factor as Inputs for another Custom Factor in Pipeline? 5 responses 17/02/2017
playing jnug/jdst with 257% return in two years 10 responses 17/02/2017
Custom Factor in Pipeline Research: Ratio of Stock to SPY 3 responses 17/02/2017
Trying to get started.... 3 responses 16/02/2017
Combine Common Factors to Make a Mega-Alpha, Alphalens 4 responses 16/02/2017
ADX issues on research and pipeline no responses 16/02/2017
Cross-Sectional VIX no responses 16/02/2017
Tracking securities across the days 1 response 16/02/2017
Momentum Strategy Need help with Pipeline 4 responses 16/02/2017
Penny Stock Trading 2 responses 16/02/2017
I just made a Million Dollars! 2 responses 16/02/2017
Calculating 3 Month Average Volume and 3 Month Historical Volatility Correlation 1 response 16/02/2017
How do I undeprecate this datetime code? 1 response 16/02/2017
Issue with backtester? 1 response 16/02/2017
Encountering HTTP Error in research notebook no responses 16/02/2017
NUS MSBA Chinatown_Moving Average Crossover no responses 16/02/2017
MSBA Chinatown Moving Average Crossover no responses 16/02/2017
Trailing Stop, How to refill stop orders? 1 response 16/02/2017
fetch_csv Issues no responses 16/02/2017
CustomFactor (ValueError: setting an array element with a sequence.) 4 responses 16/02/2017
Lecture Series Long-Short Cross Sectional Momentum Row and Column Data no responses 15/02/2017
Running out of research memory 5 responses 15/02/2017
Quantopian Lecture Series: p-Hacking and Multiple Comparisons Bias 3 responses 15/02/2017
how to use percent return in algorithm, sell at certain percent loss 1 response 15/02/2017
Custom Data Source for use in Pipeline 5 responses 15/02/2017
How to set not to buy past a certain leverage? 1 response 15/02/2017
CustomFactor (today) no responses 15/02/2017
An error generated from Alphalens 2 responses 15/02/2017
Bitcoin Algo Trading Workshop no responses 15/02/2017
Limiting price in pipeline no responses 15/02/2017
Learning Fun: Monkey Throwing Darts 3 responses 15/02/2017
After hours and pre market? 3 responses 14/02/2017
Rolling Period Backtests 1 response 14/02/2017
London Meetup: Machine Learning and Non-Stationarity 11 responses 14/02/2017
Help with Pipeline Class Factors 1 response 14/02/2017
Asset Class Rotation Strategy for Retirement Accounts 20 responses 14/02/2017
How can i fix this error? 2 responses 14/02/2017
How to normalize various indicators into one column? no responses 13/02/2017
QuantCon 2017 Talks Announced! April 28th-30th in NYC no responses 13/02/2017
HOMEWORK4(AAPL) no responses 13/02/2017
101 Alphas, Alphas 5, 8, and 9, Alphalens 9 responses 13/02/2017
101 Alphas, Alpha # 101, Alphalens no responses 13/02/2017
101 Alphas, Alpha #44, Alphalens no responses 13/02/2017
newbie 1 response 13/02/2017
101 Alphas, Alpha #33, Alphalens no responses 13/02/2017
Does anyone have a pickle analyzer for Zipline? no responses 13/02/2017
allocations - 6X leverage, or not? 6 responses 12/02/2017
101 Alphas Project: Alpha #42, Alphalens no responses 12/02/2017
Multiple Linear Regression Lecture Beta no responses 11/02/2017
Custom Factor Input Question 3 responses 11/02/2017
looking to use pyfolio, cannot figure out where to find the number required for get_backtest is found 1 response 11/02/2017
Intraday price comparison to Start of day price historically no responses 11/02/2017
opening and closing position at same time no responses 11/02/2017
List of Equity Variables from Dataframe 2 responses 11/02/2017
I have an Awsome simple pattern no responses 11/02/2017
Please ignore this post 9 responses 11/02/2017
Need Help - Modify Algo to Maintain a Set Percentage of Gold at All Times 2 responses 10/02/2017
EventVestor Earnings Calendar Update 2 responses 10/02/2017
Piotroski 9 using pipeline no responses 10/02/2017
talib.func.ATR - AssertionError: high has wrong dimensions no responses 10/02/2017
if statement error (please help) 2 responses 10/02/2017
Dynamic Pair Weighting using Bollinger Bands, RSI, and MACD as input. 1 response 10/02/2017
Overfitting Questions - What are your thoughts? 3 responses 10/02/2017
SP500 components survivorship bias question no responses 10/02/2017
How can I filter on an equity object using Q's symbol name? 4 responses 10/02/2017
algos w/ paid data sets - eligible for Q fund if only free sample data used? 7 responses 10/02/2017
How can I access/call 'amount' from get_open_orders. 6 responses 10/02/2017
Calculating the curvature of price action 2 responses 09/02/2017
Adding market capitalization to Zipline Bundle no responses 09/02/2017
Is quandl down? no responses 09/02/2017
Why does RSI backtest results change when data.history bar count changes 5 responses 09/02/2017
Power outage - question 4 responses 09/02/2017
America First agenda and global crowd-sourcing? no responses 09/02/2017
End of the day run strategy 10 responses 09/02/2017
Error in Research ( INTERNAL SERVER ERROR) 1 response 09/02/2017
Tuulberg Index fundamentals algorithm 1 response 09/02/2017
pd.options - deeper tear sheet - algo analysis - changes to research 2 responses 09/02/2017
Graham Deep Value Screen- not matching expected results 1 response 08/02/2017
Calculate # of minutes since open on given date no responses 08/02/2017
IB Paper Account: Unknown Error - Sorry, something went wrong 1 response 08/02/2017
SID not found in pipe 3 responses 08/02/2017
How to fix this bug with get_pricing? 19 responses 08/02/2017
Please help? 2 responses 08/02/2017
Strategy code for tradingview.com in pine script, please help me no responses 08/02/2017
error with creating tear sheets no responses 08/02/2017
What's wrong with my RSI Calculation? 1 response 08/02/2017
Robinhood Integration Issues no responses 08/02/2017
How to add fundamental query in pipeline 1 response 08/02/2017
[Help] Is there any way to get history price for specified date? 1 response 08/02/2017
KeyError: 'longs' please help 3 responses 08/02/2017
Allow algorithm to run twice a day 5 responses 08/02/2017
How get shares float? 2 responses 07/02/2017
How is quantopian doing? 27 responses 07/02/2017
how do i make it not go above x leverage, (how much leverage for competitions is allowed) and how do i sell shares 8 responses 07/02/2017
Help Limiting Losses 5 responses 07/02/2017
Research Updates - get_pricing and Jupyter Notebook Upgrade 19 responses 07/02/2017
Research Updates On the Way no responses 07/02/2017
Where can we get the "Time and Sales" history and real-time data? no responses 07/02/2017
Coefficient Help 2 responses 07/02/2017
Dictionary Error on Security History no responses 07/02/2017
Quantopian 2.0 Tutorial Series 13 responses 06/02/2017
Dynamic TSPP list 7 responses 06/02/2017
zipline error KeyError: <type 'zipline.assets._assets.Equity'> 2 responses 06/02/2017
Does Quantopian charge any fees for live trading? 2 responses 06/02/2017
Robinhood Gold Margins 9 responses 05/02/2017
Timing of functions 4 responses 05/02/2017
List of assets no responses 05/02/2017
Research / notebook / tear sheet errors, ZeroDivisionError and NoSuchSymbols 8 responses 05/02/2017
Is the pandas .eval() method allowed in algorithms? 1 response 05/02/2017
Inconsistent SIDs between Quantopian and Zipline 2 responses 05/02/2017
Trading (for?) peace - some datasets are probably required no responses 05/02/2017
NumPy Lecture Series Create Array Asset and Return [] Question no responses 05/02/2017
Have problem to run some segments of Andrew's book. For example, the segment below "end_day_nums" should be "start_end_day_nums"? Thanks. no responses 05/02/2017
Lecture Series Mode of Bins Explained no responses 05/02/2017
Why is data.can_trade throwing error - "KeyError: 0"? 1 response 05/02/2017
recommended algorithm for robinhood? no responses 04/02/2017
How do I import pytorch 2 responses 04/02/2017
New to Quantopina no responses 04/02/2017
Fully Loaded? no responses 04/02/2017
Is anything known about how long before futures data will be available on Quantopian? 2 responses 04/02/2017
How to shift a moving average n periods into the future ? 4 responses 04/02/2017
Using Fetcher to buy stocks on a CSV list no responses 04/02/2017
local_csv and Pipeline in Research 5 responses 04/02/2017
Good example wanted: Breakout, all stocks, simple 3 responses 03/02/2017
Any way to run an algorithm without backtesting? 3 responses 03/02/2017
PE Ratio and Growth Score 2 responses 03/02/2017
Momentum Trading Strategy Need Help 1 response 03/02/2017
Live Algorithm Error again today 1 response 03/02/2017
memory error - why? 3 responses 03/02/2017
How to do md5 hash ? 3 responses 03/02/2017
runtime error - websocket problem no responses 03/02/2017
Leveraged ETF Screen in Pipeline 1 response 03/02/2017
Betafishing 13 responses 02/02/2017
RollingLinearRegressionOfReturns Help 7 responses 02/02/2017
Why is it not selling? no responses 02/02/2017
Contest 26 query regarding leaderboard CSV file no responses 02/02/2017
Q Algorithm and Research Idea Library 7 responses 02/02/2017
VIX Spread Trade (Futures) no responses 02/02/2017
Is it possible Using the built-in factor RSI to get the values of different timeframes? no responses 02/02/2017
Can I schedule before_trading_start not to run daily? 2 responses 02/02/2017
New to Pipeline, Need a little help managing number of positions 8 responses 01/02/2017
Live Trading Error: Data Feed is Behind 5 responses 01/02/2017
SMA calculation mismatching 7 responses 01/02/2017
WHAT HAPPENED TODAY? 14 responses 01/02/2017
SEC Tick Size Pilot Program -- 5 cent increment orders 2 responses 01/02/2017
USU Invests 3 responses 01/02/2017
long-short market neutral w/ optimization API 6 responses 31/01/2017
Output Question 3 responses 31/01/2017
Basic Loop Question 3 responses 31/01/2017
Price mismatch at Pipeline and get_pricing 5 responses 31/01/2017
Any way to share calculations across algorithms? no responses 31/01/2017
Can I Live Trade IB Trial Account? 1 response 31/01/2017
Symbol 'SPY' was not found. 1 response 31/01/2017
Tensorflow for Quantopian? 14 responses 30/01/2017
How to apply the RSI on the VIX-Factor? 9 responses 30/01/2017
Help 1 response 30/01/2017
Adjusting a Builtin Pipeline Factor 9 responses 30/01/2017
value based investing with quality constrained no responses 30/01/2017
Problem with historical EPS data for GOOG_L no responses 30/01/2017
Beta Hedging - Quantopian Lecture 1 response 30/01/2017
Order target percent 0 leaves open order? no responses 30/01/2017
Help on problem regarding index out of bounds error and implementing a variable that switches or toggles between two values. 1 response 30/01/2017
Quantopian Contest Criteria & High Risk, High Reward Algos 7 responses 30/01/2017
Regression error: unhashable type: 'slice' 2 responses 29/01/2017
problem w/ DVMT? 9 responses 29/01/2017
Slippage Model and Live Trading no responses 29/01/2017
Predictron 1.0: a machine learning attempt 21 responses 29/01/2017
Getting ORDER ID from object ORDER?? no responses 29/01/2017
SEE if a buy or sell order traded in last 1 minute and at what price. 1 response 29/01/2017
Robinhood Rounding 2 responses 29/01/2017
Bollinger Band Help no responses 29/01/2017
get_fundamentals range_specifier working? 1 response 28/01/2017
How to get the list of all securities available in Q and their type (common, preferred stocks and ETF ...)? 3 responses 28/01/2017
How to get list of stocks with the ability to query for monthly return and ME no responses 28/01/2017
Help: Filtering "when-issued" securities no responses 28/01/2017
dynamic stop loss implementation 2 responses 28/01/2017
Trade resolution of Quantopian and Robinhood PTD 3 responses 28/01/2017
Trading Expected Factor Flows 10 responses 28/01/2017
Fitting and finding the best combination of variables for an algorithm question 2 responses 27/01/2017
Robinhood orders getting cancelled 1 response 27/01/2017
QuantCon Live Stream Tickets & Special Q Community Discount no responses 27/01/2017
Anyone trading with Robinhood Gold? no responses 27/01/2017
help with forecast algorithm no responses 27/01/2017
Understanding Boundary Conditions in Back Testing no responses 27/01/2017
Orders carry over to next day. 4 responses 27/01/2017
Intraday Pattern Strategy: Late morning weakness 2 responses 27/01/2017
Gold Custom Factor 1 response 27/01/2017
Calculations referring to past CustomFactor output 1 response 27/01/2017
paper trading without IB/Robinhood 2 responses 26/01/2017
Help needed for a newbie. Stop loss with SMA no responses 26/01/2017
Pipeline Mask = MarketCap Top 500? 6 responses 26/01/2017
Cloning my own testing algorithm 1 response 26/01/2017
Fill notification 4 responses 26/01/2017
install locally 5 responses 26/01/2017
Elapsed time, run info and logging variables when backtest is done 2 responses 26/01/2017
Algo: Value, Drawdown 2 responses 26/01/2017
Will TD Ameritrade get any love? 1 response 26/01/2017
Looking for a trading platform to test no responses 26/01/2017
any literature on why mean reversion strategy should work? 5 responses 26/01/2017
Anyone using Quantopian to IB with short selling? 1 response 26/01/2017
Loop through all orders and print Symbol and number of shares for the order 2 responses 25/01/2017
Margin call question 2 responses 25/01/2017
Momentum Strategy Need Help 2 responses 25/01/2017
Pipeline 16 responses 25/01/2017
Help Getting Pipeline into my loop no responses 25/01/2017
Is there anyway to show the impact your algorithm would have on the market? no responses 25/01/2017
getting 30 mins bar price for intraday HMM algo no responses 25/01/2017
Gap Fill Strategy no responses 25/01/2017
Spy on Fred - pipeline syntax help? 9 responses 25/01/2017
contest algo 26 responses 25/01/2017
RSI Calculation (Daily RSI in Minute Mode) using data.history() - Based on StockCharts.com 2 responses 25/01/2017
Creating a FX EA no responses 24/01/2017
Alphalens installation problem 1 response 24/01/2017
Can Cloned Pipeline Algorithms be used with Robinhood Brokerage Accounts? 3 responses 24/01/2017
What is the sid for VMAX ETF? no responses 24/01/2017
Accessing a price in history no responses 24/01/2017
Connection problem to IB paper account no responses 24/01/2017
Quantopian + Chat with Traders 9 responses 24/01/2017
Writer's block! Looking to collaborate 2 responses 23/01/2017
Beginner trying to ignore NaN type missing data in the pipeline 5 responses 23/01/2017
My algo isn't giving the results I see when I chart my indicators. no responses 23/01/2017
Is there a way to generate a table with monthly return listed? 2 responses 23/01/2017
Moving Averages: Buy Low, Sell High no responses 23/01/2017
Stock "SR" not split adjusted 1 response 23/01/2017
How to keep leverage at or below 1? 2 responses 23/01/2017
Algorithm stuck "Loading Pipeline Data" 4 responses 23/01/2017
Ways of dealing with MemoryError no responses 23/01/2017
Zipline benchmark and algorithm returns mislabelled no responses 23/01/2017
Trade Xiv based on volume and not Vix? no responses 23/01/2017
Does quantopian recognize other positions? 2 responses 23/01/2017
Formula Help no responses 23/01/2017
New volatility strategy (XIV/SH) 1 response 23/01/2017
Help: why the fundamental data dost no match the morning star data? 2 responses 23/01/2017
Anyone have any ideas to improve my algo? 1 response 22/01/2017
Questions about averaging EPS data and more. no responses 22/01/2017
Installing Zipline - Lord help me! 10 responses 22/01/2017
Import RandomForest Model no responses 22/01/2017
Algo Trading Languages 1 response 22/01/2017
The performance is passable after the 2009 drawdown no responses 21/01/2017
dividend_yield accuraccy 1 response 21/01/2017
Day trade "top % gainers" no responses 21/01/2017
Help with cumulative returns 2 responses 21/01/2017
Efficient Filtering of Securities in the Research Environment no responses 20/01/2017
What is the error in this program, after backtest, it returns "key error 1" 11 responses 20/01/2017
Error Submitting for Contest - Time Out 3 responses 20/01/2017
Anees' multiple based on tweaking the Deep Value Algorithm no responses 20/01/2017
Setting Universe Initialize no responses 20/01/2017
IB real money account: Unknown Error - Sorry, something went wrong 5 responses 20/01/2017
what is the difference between TALIB MACD and built in factor MovingAverageConvergenceDivergenceSignal? 9 responses 20/01/2017
Full Decade Backtest of the Most Popular Multi-Factor Implementation on Quantopian no responses 19/01/2017
Why is sharpe stuck at 11.22? 1 response 19/01/2017
Survivorship Bias 1 response 19/01/2017
Maximizing returns in the long run with only ETFs no responses 19/01/2017
BEGINNERS HELP no responses 19/01/2017
context.portfolio.positions[security].last_sale_date? 2 responses 19/01/2017
Trading on DEMA not giving me the exact results I want no responses 19/01/2017
Ticker match no responses 18/01/2017
Mornings with XIV 5 responses 18/01/2017
Rate of Change/ Traditional momentum indicator 1 response 18/01/2017
How to get 1 minute data for a specific date? 5 responses 18/01/2017
Help coding "A Momentum Rotation Strategy for Trading VIX ETPs" 14 responses 18/01/2017
Identifiers with ISIN code & Exporting external Data no responses 18/01/2017
Top 10s of 2016: The Most Cloned Backtests and Notebooks no responses 17/01/2017
Algorithm from forecast no responses 17/01/2017
Interesting Algo to backtest 1 response 17/01/2017
Classic RSI2 Mean-Reversion Strategy (SPY/TLT) 27 responses 17/01/2017
Float Point Errors in Python when Calculating Indicators 2 responses 16/01/2017
Confused about return value of "get_pricing('GOOG')" 4 responses 16/01/2017
pair trading no responses 16/01/2017
removed no responses 16/01/2017
Investing in Quantopian's Hedge Fund 18 responses 16/01/2017
If I short or long, I still get negative returns 3 responses 16/01/2017
KeyError when I try to get column data from pipeline output 2 responses 16/01/2017
Research notebook no responses 15/01/2017
Faber's Sector Rotation no responses 15/01/2017
Couple Robinhood issues I'm seeing 2 responses 14/01/2017
Constant cash flow from operations for AAPL for the past two years? 1 response 14/01/2017
Error getting portfolio positions 1 response 14/01/2017
XIV with long short+gold leverage 2 responses 14/01/2017
How to extract the timestamp ? no responses 14/01/2017
SPXL/SPXS no responses 14/01/2017
XIV 4 responses 14/01/2017
Yhoo bundles don't seem to work with latest Windows update 1 response 13/01/2017
Theta weighted exponential z scores with XIV, long only 13 responses 13/01/2017
How do I put a SMA on the Unemployment rate? 2 responses 13/01/2017
Filter Pipeline Output by Exchange 1 response 13/01/2017
Fast Unit Root Tests no responses 13/01/2017
Bollinger Bands factor? 1 response 13/01/2017
Bug with stop orders 3 responses 13/01/2017
All Weather no responses 13/01/2017
Simple Asset Class ETF Momentum Strategy 1 response 12/01/2017
Using Zipline locally vs. Quantopian's platform 11 responses 12/01/2017
Trade XIV based on VIX 159 responses 12/01/2017
Beginner Question about Creating & Calling Portfolio no responses 12/01/2017
Stock prices for google no responses 12/01/2017
Volatility Trading Strategy 2 responses 12/01/2017
Intraday data from previous days no responses 12/01/2017
help needed on ranking stock returns within an index 1 response 12/01/2017
Why the daily positions&PL has a missing day? no responses 12/01/2017
Is it possible to trade at market open? 8 responses 12/01/2017
Full_170111 no responses 12/01/2017
I am confused with stop limit order 2 responses 12/01/2017
Do I need to subscribe to IB's data feed to use real money live trading? no responses 12/01/2017
Weekend Effect Problem no responses 12/01/2017
Is diluted_average_shares an average over the last quarter or the last year? 5 responses 11/01/2017
john dave intro no responses 11/01/2017
Using proprietary data from CSV with 'fetch' function 3 responses 11/01/2017
Saving results and backtesting over a range of parameters 1 response 11/01/2017
I made a site that would be good for webscrapping and maybe some (unbiased) backtesting no responses 11/01/2017
Analysis - Back Tests 3 responses 11/01/2017
Difference between SPY and benchmark 6 responses 11/01/2017
ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all(). 1 response 11/01/2017
Question about function 6 responses 11/01/2017
For the 99% who won't get an allocation..... no responses 10/01/2017
Mean Reversion Template with B Bands no responses 10/01/2017
Quantopian Lecture Series Template - L/S Algo 1 response 10/01/2017
Plotting style no responses 10/01/2017
NSYSU Strategy no responses 10/01/2017
Allocation Based on Distance from 52WK High Error no responses 10/01/2017
full_170111 no responses 10/01/2017
Any chance I could trade European stocks? 2 responses 10/01/2017
First try on MACD -- GOOG 1 response 10/01/2017
Any chance quantopian launch a ranking system? no responses 09/01/2017
AAPL book_value_per_share and others fundamentals are not adjusted for splits 1 response 09/01/2017
Momentum Trading no responses 09/01/2017
First Try on MACD no responses 09/01/2017
ship_170111 no responses 09/01/2017
plastic_170111 no responses 09/01/2017
Pivot Point Algorithm no responses 09/01/2017
Hedge fund claims to have made 108% using this strategy. Lets collaborate and replicate. 2 responses 09/01/2017
Did high frequency trading or autotrading use portfolio management? no responses 09/01/2017
only_ship_170111 no responses 09/01/2017
final170111 no responses 09/01/2017
Does fetcher custom file support a data.history method no responses 09/01/2017
A Simple Pairs Trading Strategy with Finance Stocks no responses 09/01/2017
Creating Industry and Sector forward PE factors no responses 09/01/2017
Two lists after resampling, how can I make them of equal length? no responses 09/01/2017
Need help un-deprecating an algo 3 responses 08/01/2017
Quantitative Momentum implementation? and question about risk weighting 4 responses 08/01/2017
get_fundamentals does not match http://financials.morningstar.com/ no responses 08/01/2017
WARN Logging limit exceeded; some messages discarded no responses 08/01/2017
Stock specific account value? 1 response 08/01/2017
Support/resistance, z-scores, leveraged sp500, bollinger band 2 responses 08/01/2017
Total volume for given basket of securities 4 responses 07/01/2017
Algorithm Trading Courses 2 responses 07/01/2017
... 1 response 07/01/2017
Simple Mean Reversion-Leverage out of Control 2 responses 07/01/2017
My Attempt to Balance Portfolios 2 responses 07/01/2017
How to manage stop-loss 14 responses 07/01/2017
Where can I find detailed historical - current data that includes extended trade hours on Equity/Futures/ETFs/etc? 3 responses 07/01/2017
Weighted z scores no responses 06/01/2017
Interested in getting paid to build an algorithm? no responses 06/01/2017
bollinger bands with talib: garbage in , garbage out? 5 responses 06/01/2017
QuantCon Early Bird Tickets on Sale until January 20th 4 responses 06/01/2017
Position sizing question no responses 06/01/2017
Backtest display minute-data no responses 06/01/2017
How to calculate the cash available 16 responses 06/01/2017
The Zero Commission Algorithmic Trading made by quantopian stopped due to error 1 response 06/01/2017
Combining Weighted Factors 2 responses 06/01/2017
Time series pattern recognition/identification 3 responses 06/01/2017
Re: Fitting a Neural Network with Non-Stationary Features no responses 06/01/2017
Better Exit Strategies no responses 05/01/2017
Is there a way to tell when a limit order is executed? no responses 05/01/2017
> Please help make it to work: Buy and Sell if certain Criteria is met. 1 response 05/01/2017
Return on Equity Forecasts no responses 05/01/2017
Following Year Forecast Data 1 response 05/01/2017
How to separate data returned by get_pricing by day? 2 responses 05/01/2017
deleted no responses 05/01/2017
Contest 25 no responses 04/01/2017
get_pricing() date? 2 responses 04/01/2017
Quality Factors 5 responses 04/01/2017
running algos stopped at new years 1 response 04/01/2017
Order rejections from IB with order_target_percent at 1.0 2 responses 04/01/2017
New to Quantopian and have not coded before. Where should I start? no responses 04/01/2017
Is everything ok with ib paper account 1 response 03/01/2017
Investment Signal Breadth Across Sectors no responses 03/01/2017
Discussion of blog post on Bayesian Correlation Estimation 16 responses 03/01/2017
Regarding Quantopian participation at GSoC2017 no responses 03/01/2017
Fund Worthy? 3 responses 03/01/2017
help getting started 1 response 03/01/2017
Huge profits: Looking for an explinaton of "how come?" 7 responses 02/01/2017
How can I produce an average of the prices from my resampled data? 1 response 02/01/2017
Treasury yields / Gold Price from where .... also Quantopian Data - discontinued 2 responses 02/01/2017
pipeline custom factor - output different from input? 4 responses 02/01/2017
USEquityPricing - using minute level data 3 responses 02/01/2017
Multiple issues with Quantopian live trading robustness (Robinhood) no responses 02/01/2017
Bug in Pipeline 2 responses 01/01/2017
Dow Jones Industrial Average open / close gap no responses 01/01/2017
EarningsCalendar Data is missing many columns available in Research's earnings_calendar 7 responses 01/01/2017
Fill price of Q backtest vs IB paper trading vs Reality 4 responses 31/12/2016
Screen vs filter 10 responses 31/12/2016
How to get the list of all active symbols? 7 responses 31/12/2016
How to get the time/date a position was filled (or partially filled) no responses 31/12/2016
Mass Retrieve Short Interest Data (Max 5 fetch_csv) 1 response 31/12/2016
Getting into a position above a price threshold 1 response 31/12/2016
Retrieve Days To Cover Data from Quandl no responses 30/12/2016
Martingale-ish algo fun no responses 30/12/2016
Dividend hunting no responses 30/12/2016
Annual Balance Sheet Values 3 responses 30/12/2016
Can someone backtest this portfolio? no responses 30/12/2016
Indicator based trading no responses 30/12/2016
Determine the Value-at-Risk by using Machine Learning no responses 30/12/2016
Why does amount of available cash impact on returns (not always) ? no responses 30/12/2016
Sector Strategy with Beta Hedge no responses 30/12/2016
Leverage/Slippage/Commission Factor Against a Long Only Model 1 response 30/12/2016
Deprecation Warning Help 2 responses 29/12/2016
Gaussian Processes for classification/regression? 2 responses 29/12/2016
Minute data + daily SMA = error 2 responses 29/12/2016
DateTime Filter - Helper class extending get_datetime() no responses 29/12/2016
SEC Tick-Pilot Filter 3 responses 29/12/2016
Access to fundamental data from previous quarters/years 19 responses 29/12/2016
Custom factors and TA.Lib 2 responses 29/12/2016
The fetch_csv funnction runs too earlier everyday 1 response 29/12/2016
Trading on Market Depths and Tickers 1 response 29/12/2016
backtesting for Asia market no responses 29/12/2016
Need Help with Pipeline, Just a Beginner 2 responses 29/12/2016
Question about function handle_data(context,data) 1 response 28/12/2016
Maybe trailing stop will crash the trading system 2 responses 28/12/2016
Prices without dividend adjustment? 2 responses 28/12/2016
Different Timeframes in Factors for Pipelines 3 responses 28/12/2016
Shiller's CAPE as Pipeline dataset? 5 responses 28/12/2016
Price to FCF backtesting 2 responses 28/12/2016
Finding returns from a sell order? 3 responses 28/12/2016
nvm solved no responses 28/12/2016
What is actually displayed on the contest performance page? 1 response 28/12/2016
Running run_pipeline for weekly or monthly? 1 response 28/12/2016
Learning - Trying to use Q500US 2 responses 27/12/2016
Paper Trading is buying different stocks than backtest 1 response 27/12/2016
Problem with combining momentum strategy and Alpha #41 3 responses 27/12/2016
Would it be possible to ad a "Returns" column to the "Live Trading" algo list? 1 response 27/12/2016
New Algo....good returns, but I'm worried about some other factors 5 responses 27/12/2016
Stattools error 1 response 27/12/2016
Implementing Fama-Macbeth 1973 & Fama-French 1992 Portfolios construction & Regressions 7 responses 27/12/2016
nvm no responses 27/12/2016
historical data: pre-market & after-hours trading data 6 responses 27/12/2016
Correlation for two Securities (pearsonr syntax help) no responses 26/12/2016
Pairs Trading: What am I missing? 5 responses 26/12/2016
Clustering of stocks to find trend for pairs trading 4 responses 26/12/2016
How Order_target_percent(stk, 1) works in real live trading ? 6 responses 26/12/2016
Seeking feedback on RSI-based algo 4 responses 26/12/2016
Can we create list variables in context? as in context.security[0] = symbol('AAPL', 'FB') and context.security[1] = symbol('defd', 'efe')...if this is not possible what is the way to create global lists. Thanks no responses 26/12/2016
Trying to learn.... could use a hand :) 7 responses 26/12/2016
Observations 8 responses 25/12/2016
First attempt at an algorithm. no responses 25/12/2016
Trying to Understand Cross Sectional Momentum Factor 6 responses 25/12/2016
Is it possible to compare two algorithms ? 1 response 24/12/2016
What is the difference between real trading and backtesting 7 responses 24/12/2016
Question about the Quantity Field 3 responses 24/12/2016
Problem with moving averages calculation/slicing technique 2 responses 23/12/2016
When shorting stocks, is the interest included in backtest? 1 response 23/12/2016
How would backtest results differ from log outputs? 3 responses 23/12/2016
Is there a way to stop an live trading algorithm if certain condition met? 2 responses 23/12/2016
Closed-End Fund Data 3 responses 23/12/2016
Question about using data.history() and data.current() 6 responses 23/12/2016
Iterating Data Issue 2 responses 23/12/2016
Dynamically Ordering Sorted Pipeline Output? 2 responses 22/12/2016
Linear Regression Example Notebook no responses 22/12/2016
Average Range Ratio (ARR) Indicator 2 responses 22/12/2016
Does a pipeline always have to have an output? 3 responses 22/12/2016
Bull Flag Breakout 1 response 22/12/2016
Data Frequency 1 response 22/12/2016
Discrepancy in price data between backtest and research 5 responses 21/12/2016
get_pricing error with double symbol UPRO no responses 21/12/2016
long-short algo w/ CVXPY 31 responses 21/12/2016
How to research this signal no responses 21/12/2016
long-only mean reversion w/ CVXPY no responses 21/12/2016
Earnings Calendar Next Day no responses 21/12/2016
Exclude stocks from pipeline by sid. 15 responses 21/12/2016
Historical Fundamental Data 7 responses 20/12/2016
AssertionError: real has wrong dimensions 1 response 20/12/2016
How to get previous 3 minutes of data from current minute 3 responses 20/12/2016
Backtesting trades execute vs Paper trading no trades placed 3 responses 20/12/2016
How will taxes work? 4 responses 20/12/2016
How to handle the plotting problem when I'm using minute data? 2 responses 20/12/2016
How to handle the plotting problem in minute basis? no responses 20/12/2016
How to select a top gainer from a list 1 response 20/12/2016
MACD Raw values 2 responses 20/12/2016
Live futures data 1 response 19/12/2016
Record Commissions? 3 responses 19/12/2016
IB paper trading help 2 responses 19/12/2016
XIV data difference 2 responses 19/12/2016
How to short more securities when stock price drop 2 responses 19/12/2016
CVXPY in pipeline factor? 4 responses 19/12/2016
TA-lib inputs, does the "direction" of history data matter? 1 response 19/12/2016
Trade XIV and VXX based on XIV and VXV ratio 58 responses 19/12/2016
Moving average help 5 responses 19/12/2016
Problem Solved no responses 19/12/2016
Long testing period 2 responses 18/12/2016
Investment Management, HSE-NES, Fall 2016 1 response 18/12/2016
1 no responses 18/12/2016
Investment Management, HSE-NES, Fall 2016 no responses 18/12/2016
This algo uses book-to-market. There is comission and slippage. no responses 18/12/2016
Koshman Dmitriy and Evdaev Albert Trading contest no responses 18/12/2016
Dara Batomunkueva, Tatiana Grigorovich and Andrey Nalitkin algorithm for Investment Management course no responses 18/12/2016
Algo Strategy for Investment Management BAE 2017' 4 responses 18/12/2016
order_target(stock, 0) stopped working for me for some reason 2 responses 18/12/2016
Quantopian platform limitations comments & questions 42 responses 18/12/2016
Mean-reverse strategy, long only 1 response 18/12/2016
TypeError: 'DataFrame' object is not callable 1 response 17/12/2016
Make a Quantopian App 1 response 17/12/2016
limit pipeline factor to specific list of stocks? 8 responses 17/12/2016
Need help with RollingLinearRegressionOfReturns and Computing Weights 1 response 17/12/2016
side comment to "Machine Learning on Quantopian Part 3: Building an Algorithm" 22 responses 17/12/2016
I'm getting a type error, please help. 1 response 17/12/2016
Quantpedia Trading Strategy Series: An Analysis on Cross-Sectional Mean Reversion Strategies 2 responses 16/12/2016
Forward Filling, Simple Question Regarding History 6 responses 16/12/2016
Personal Libraries? (custom import) no responses 16/12/2016
Pipeline to filter out stocks with non-default margin requirements? no responses 16/12/2016
augmented dictionary 'context' in notebook? 1 response 16/12/2016
Sort Pipeline output by Symbol 5 responses 16/12/2016
How to get VIX/VXV/VXMT/VXST/VVIX into algos with history. 26 responses 16/12/2016
Group Project Final Algorithm no responses 16/12/2016
Using research environment for simulating and backtesting no responses 16/12/2016
IB PAPER TRADING 1 response 16/12/2016
Short selling, how does it work (practically) ? 5 responses 16/12/2016
Index changes - Pipeline availability? 4 responses 16/12/2016
What does the Class "BollingerBands()" return? 5 responses 16/12/2016
Willing to Pay $50 for a functional 5-minute MACD Algo for single stock no responses 15/12/2016
EarningsCalendar returning very few future events 5 responses 15/12/2016
Robinhood Gold 7 responses 15/12/2016
a problem regarding my code no responses 15/12/2016
Ensuring portfolio is always maintaining 25% in each holding 4 responses 15/12/2016
final trading strategy no responses 15/12/2016
Replicate SP500 1 response 15/12/2016
getting an error I wasn't expecting 3 responses 15/12/2016
Widespread splits related data integrity issues 6 responses 15/12/2016
Confused by benchmark return discrepancy 1 response 15/12/2016
[Q] Having trouble selling with bollinger bands no responses 15/12/2016
Implementation, investing in other people's algos 1 response 15/12/2016
Share for team project no responses 14/12/2016
What is the quickest way to view returns as log scale? 3 responses 14/12/2016
Cash returns 1 response 14/12/2016
implications no responses 14/12/2016
Trading all stocks on Quantopian 3 responses 14/12/2016
[BUG] Account deposit considered as gain in Live Trading Dashboard 3 responses 14/12/2016
Share result no responses 14/12/2016
I need help with my pipeline 2 responses 14/12/2016
I can't tell what's going wrong with my SMA algo on $SPY no responses 14/12/2016
Help Needed with MacD MTF Script 2 responses 14/12/2016
time.sleep(n) 3 responses 14/12/2016
Momentum strategy with earnings call avoidance 2 responses 13/12/2016
How to track the commission correctly? no responses 13/12/2016
Quantopian Leaderboard 13 responses 13/12/2016
Paper trading need help 1 response 13/12/2016
How to code for yesterday's value? 7 responses 13/12/2016
Speeding up optimization through use of multiple computers. no responses 13/12/2016
Help with adding VIX price as a signal to not trade no responses 13/12/2016
Is this code difficult to write? 3 responses 13/12/2016
Basic 60/40 Portfolio rebalanced every month 2 responses 13/12/2016
Quantopian Project 2 responses 12/12/2016
Testing Bollinger Bands no responses 12/12/2016
How to calculate a sector index? no responses 12/12/2016
Seeing backtest graph in minute resolution no responses 12/12/2016
Koller Lange: Final Project: Quantopian 3 responses 12/12/2016
Custom Factor Calculation Over-Iterating! Help! 7 responses 12/12/2016
Futures? Are they still in the works? 11 responses 12/12/2016
Dividend bugs? no responses 11/12/2016
Options in Quantopian no responses 11/12/2016
NYC Workshop 12/11/2016 Post 1 response 11/12/2016
Algo going -22000% 2 responses 11/12/2016
Fund Closures no responses 10/12/2016
Use another algo in an algo no responses 10/12/2016
Are US Value Factors Dead? 1 response 10/12/2016
Get_backtest() Error no responses 10/12/2016
pymc3 - will we be allowed to import into research? 9 responses 10/12/2016
suggest me guys... 1 response 10/12/2016
Converting pandas dataframe to numpy array 3 responses 10/12/2016
Coding Help 1 response 09/12/2016
Robinhood Gold status update? 1 response 09/12/2016
Transaction tactics no responses 09/12/2016
Hello (Quant) World ! no responses 09/12/2016
Pipeline filter to a single stock 5 responses 09/12/2016
Wait for next MA crossover 1 response 09/12/2016
Percentile_between(x, y) function for fundamental filters no responses 09/12/2016
How to Combine Factors in Alphalens? 3 responses 09/12/2016
Selling more shares than I hold no responses 08/12/2016
Algo for a momentum based strategy 7 responses 08/12/2016
Fetcher - can it load non-US securities that are not in its database? 4 responses 08/12/2016
December 10th Quantopian Hackathon: Trading on Earnings no responses 08/12/2016
Will pay to write me a code template 4 responses 08/12/2016
Is is able to trade multiple strategies with one IB account? 1 response 08/12/2016
2015-11-25 15:00 WARN Your order for -2061 shares of XPO failed to fill by the end of day and was canceled. 1 response 08/12/2016
MACD Custom pipeline factor 3 responses 08/12/2016
Average True Range Custom Factor 2 responses 07/12/2016
Long XIV if Contango (with a weighted moving average). 1 response 07/12/2016
Buying stocks from a pipeline screener? 2 responses 07/12/2016
Does Quantopian provide face (par) value for preferred stocks? no responses 07/12/2016
Pre-Clearance with Compliance Departments no responses 07/12/2016
[FEATURE REQUEST]: Filter Logs in Livetrading 4 responses 07/12/2016
Blog Post - How Accurate is Our Slippage Model: Comparing Real and Simulated Transaction Costs no responses 07/12/2016
how to fetch a csv file with a missing Date column 2 responses 07/12/2016
Code for Single Stock Volume and Momentum 1 response 07/12/2016
UVXY Volatility Decay 3 responses 06/12/2016
having trouble working with pipeline 2 responses 06/12/2016
QuantCon NYC Early Bird Tickets on Sale Now no responses 06/12/2016
Fundamental Data Series in Research Notebooks 1 response 06/12/2016
Accern Long Short Equity Strategy using Macro Insights - All U.S. Public Equities Finance Sector Edition no responses 06/12/2016
Is this even normal? 3 responses 06/12/2016
how to delete no responses 06/12/2016
How to make a filter given a list of stocks 3 responses 06/12/2016
How to avoid a look ahead bias 3 responses 06/12/2016
How to just hold a list of stocks for a month? 2 responses 05/12/2016
NUGT trading Algo 2 responses 05/12/2016
Is this a glitch? 4 responses 05/12/2016
Euan Sinclair's VXX/VXZ Strategy no responses 05/12/2016
What version of Python no responses 05/12/2016
google drive fetcher not working properly no responses 05/12/2016
Need help with the data.current function 3 responses 05/12/2016
context.account.day_trades and Robinhood Instant: avoiding pattern day trading 2 responses 04/12/2016
Significant changes, great results 6 responses 04/12/2016
Managing lots of long and short positions 2 responses 04/12/2016
Historical average of daily returns 5 responses 03/12/2016
Intraday data: Quantopian vs. Bloomberg 5 responses 03/12/2016
Calendar Question 2 responses 03/12/2016
auto pick stocks filter 1 response 02/12/2016
VWAP Example 2 responses 02/12/2016
Newb Question about Quantopian's statistical data no responses 02/12/2016
Gentrifying Deprecated Code: DollarVolumeUniverse 1 response 02/12/2016
IB FYI: Important information about Market Orders 2 responses 02/12/2016
cost_basis and amount are split adjusted no responses 02/12/2016
Backtest number of securities 1 response 02/12/2016
Backtesting and Discussion of "Driven to Distraction" Paper 21 responses 02/12/2016
Can we use Quantopian platform to compete in the Two Sigma and Kaggle $100K competition announced today? 1 response 02/12/2016
Optimize API Now Available in Algorithms 98 responses 01/12/2016
Simple moving average model - Liquidity Issues 1 response 01/12/2016
Plot Candlestick Charts in Research 14 responses 01/12/2016
Bankruptcy Mapping no responses 01/12/2016
Speed please. 2 responses 01/12/2016
Bug? - InputRejected: Insecure built-in function 'mro' 2 responses 01/12/2016
example code for daily VWAP? 3 responses 01/12/2016
Getting next year EPS estimate from Morningstar fundamental data? no responses 30/11/2016
Algorithms performance no responses 30/11/2016
Options Trading Update? (RESOLVED) 3 responses 30/11/2016
Bug?! - TypeError: can't pickle builtin_function_or_method objects 8 responses 30/11/2016
Best way to retrieve a trailing window of prices 2 responses 30/11/2016
Momentum Strategy using Heikin Ashi 3 responses 30/11/2016
3 Earnings Example Strategies based on the Quantpedia Trading Strategy Series 22 responses 30/11/2016
Problem in my top-triangle and bottom-triangle strategy 2 responses 30/11/2016
Accern Long Short Equity Strategy using Macro Insights - Russell 2000 Finance Edition no responses 29/11/2016
Quantopian Lecture Series: Universe Selection no responses 29/11/2016
Automated Returns / Starting Point 1 response 29/11/2016
Can pipeline return a dataframe with a simple index in research? 2 responses 29/11/2016
Quantopian Milestones November 2016 9 responses 29/11/2016
Dark pool data no responses 29/11/2016
Non-linear beta? 1 response 29/11/2016
Capital Allocation 3 responses 29/11/2016
Historical Implied Volatility no responses 29/11/2016
What will happen if today is not a trading day? 2 responses 29/11/2016
FEATURE REQUEST: add a minimum stocks to trade to order_target_xxx functions: Threshhold no responses 28/11/2016
international equities 2 responses 28/11/2016
Need Help with RSI,Trailing Stop - New to Quantopian & and willing to Pay for help 7 responses 28/11/2016
Portfolio Optimization Using Genetic Algorithm no responses 28/11/2016
Get data from DataFrame (Please Help!) 3 responses 28/11/2016
Accern Long Short Equity Strategy using Macro Insights - S&P500 Finance Edition 1 response 28/11/2016
How do I select only profitable stocks from Q1500? 5 responses 28/11/2016
Fetch ALL fundamental data no responses 28/11/2016
Why the VIX VXST data is included in the data source? no responses 28/11/2016
How often do you see 425% returns against the past 18 months? 11 responses 28/11/2016
Longing the short and shorting the longs 1 response 27/11/2016
Replacing DataFrame data (Please Help!) 1 response 27/11/2016
Data might not update in time 2 responses 27/11/2016
Efficient Frontier: what is it actually optimizing? no responses 27/11/2016
Struggling to replace NaNs with 0 in Pipeline in Research notebook 5 responses 27/11/2016
Need Help Making a Pipeline for the Golden Cross no responses 27/11/2016
Adding my own parameters to CustomFactor 2 responses 27/11/2016
How to get the closing price for the last 5 days in a Pipeline no responses 27/11/2016
Is it possible to create a custom universe based on a specific list of assets? 3 responses 26/11/2016
Whitelist bottleneck module no responses 26/11/2016
Error with CustomFactor and multiple Outputs 2 responses 26/11/2016
Get today's date in Pipeline on Research platform 5 responses 26/11/2016
Runtime error with CEO Change Announcements 6 responses 26/11/2016
Interday data? 3 responses 25/11/2016
Problem with fundamental data 1 response 25/11/2016
boolean values, patterns no responses 25/11/2016
Medallion fund article 4 responses 25/11/2016
Feedback 2 responses 25/11/2016
Help: 'function' object has no attribute 'top' ----> WHAT??? no responses 24/11/2016
test 1 response 24/11/2016
Trading Strategy: Mean Reversion (Need help with filters) no responses 24/11/2016
The People's GARCH no responses 24/11/2016
a 1 response 24/11/2016
Composite inputs for CustomFactors? 4 responses 23/11/2016
Custom Factor Volume printing True instead of value 1 response 23/11/2016
ADV Question 2 responses 23/11/2016
Forward-walk testing 6 responses 23/11/2016
BackTest1123 no responses 23/11/2016
a no responses 23/11/2016
a no responses 23/11/2016
Ordering from a Pipeline 3 responses 23/11/2016
How can the submitted order be filled immediately? 1 response 23/11/2016
VIX Reverse Split no responses 23/11/2016
60/30/15 minute data no responses 22/11/2016
Scanning for top percent gainers once a day 3 responses 22/11/2016
Trouble with iterating in custom factor without FOR loop 1 response 22/11/2016
Once I create an algorithm, where can I deploy it to trade live accounts? 1 response 22/11/2016
Is there a futures trader here? no responses 22/11/2016
Backtest transactions 2 responses 22/11/2016
How to: Ditionaries no responses 22/11/2016
Adaptive Asset Allocation (Momentum + Minimum Variance) no responses 22/11/2016
Restrict sold securities for 3 Days before buying again no responses 22/11/2016
I'm looking to buy and sell 100% of my money at a time... What can I do? 1 response 22/11/2016
Algorithm, but do you know the basic of markets?.. no responses 22/11/2016
Can anyone see this Simple Programming Error? no responses 21/11/2016
Indexing and selecting stock data 2 responses 21/11/2016
How to run multiple algo’s through Quantopian / IB 1 response 21/11/2016
Quantopian Advanced Workshop in NYC on December 11th 2 responses 21/11/2016
Issues dealing with NaN no responses 21/11/2016
Only getting minute data in the console, new to quantopian 1 response 21/11/2016
Global Context Variable timestamping data creep 1 response 21/11/2016
How could orders be filled in the same day in zipline? Is optional parameter "instant_fill" being removed? no responses 21/11/2016
Removing nan values in Quantopian no responses 20/11/2016
Stop auto-cancellation of orders 1 response 20/11/2016
Twitter and PsychSignal vs Moving Average! no responses 20/11/2016
Transaction Details not making sense 4 responses 20/11/2016
Kakushadze Model for Overnight Returns 1 response 20/11/2016
Multiple Signals with Fetcher 1 response 20/11/2016
PJ Sutherland's Synthetic VIX 5 responses 19/11/2016
the custom factor gave wrong results no responses 19/11/2016
Need help with pipeline 3 responses 19/11/2016
How can I get the filled price for a sell market order in the backtest? no responses 19/11/2016
Test1: gun shares versus mass shooting no responses 19/11/2016
Ordering one per day 'Help' no responses 19/11/2016
Pyfolio - Change Benchmark? no responses 19/11/2016
Does the data set USEquityPricing.open include open prices from the previous day? 2 responses 18/11/2016
Avoiding day trades in Robinhood. 1 response 18/11/2016
Attn Live Traders of UWTI/DWTI 8 responses 18/11/2016
BeneficiaryAlpha, Albawardi no responses 18/11/2016
Acquirer's Multiple or Magic Formula using Pipeline API no responses 18/11/2016
Order Management System - Do I need one? 2 responses 18/11/2016
Consistent intraday growth (grad course project) 3 responses 17/11/2016
Trading the High-Yield, Low-Volatility Stocks of the S&P500 17 responses 17/11/2016
Intra-day Momentum no responses 17/11/2016
Psychsignal hivebot doesn't connect 1 response 17/11/2016
Missing live trading order with IB 3 responses 17/11/2016
Robinhood TSPP (tick size pilot program) no responses 17/11/2016
Intraday pricing data - VWAP 5 responses 17/11/2016
QuantCon 2016: Using the Kalman Filter in Algorithmic Trading 26 responses 17/11/2016
Hedging Beta Dynamically in Algorithm 13 responses 17/11/2016
Support for Jupyter Notebook Extensions? no responses 17/11/2016
a function that outputs the data five minutes ago? no responses 17/11/2016
Robinhood low priced stocks, non-DTC fees no responses 16/11/2016
Technical Indicators as a leading indicators for implied volatility 5 responses 16/11/2016
Tags for BackTests no responses 16/11/2016
Live trading isn't available with IB? 3 responses 16/11/2016
Price Impact of ETF Trading no responses 16/11/2016
[debug] What does "input lengths are different" mean? 5 responses 15/11/2016
Institutional Level Long/Short Strategy (OCF/EV) 2 responses 15/11/2016
Is it possible to get the list of New Highs for previous trading day? 2 responses 15/11/2016
index check no responses 15/11/2016
MA1 VS MA2 2 responses 15/11/2016
Compare Time 2 responses 15/11/2016
Correlation between custom factor and returns no responses 14/11/2016
TLT no longer a safe haven? 4 responses 14/11/2016
Watson meets SRI no responses 14/11/2016
Data error MRO July 2 2011 no responses 14/11/2016
Can I have a VWAP crossover? no responses 14/11/2016
How do I program a pattern recognition algorithmic trading strategy? no responses 14/11/2016
VRX Valeant Pharmaceuticals Missing Data no responses 13/11/2016
2 Basic Questions About Using Pipeline Outputs. no responses 13/11/2016
Stocktwits trade sentiment no responses 12/11/2016
Analyzing Pipeline Data from Research notebook - How to get data using Equity object? 15 responses 12/11/2016
Order execution - why aren't orders executed immediately in the full order_value quantity? 2 responses 12/11/2016
Problem trying to run a simple morningstar valuation_ratio pipeline no responses 12/11/2016
Quantcon Hackathon Singapore 3 responses 12/11/2016
Error in getting `ceo_change` in research gives `CParserError: Error tokenizing data` 1 response 12/11/2016
VWAP - Are there any plans to fix this? 5 responses 11/11/2016
Fundamental Data Improvements 2 responses 11/11/2016
SMA Crossover Average Slow Backtest 2 responses 11/11/2016
Explaining the Bank Rally no responses 11/11/2016
creating a trailing stop in Quantopian for Robinhood? 4 responses 11/11/2016
Help with Deprecation Warnings 1 response 11/11/2016
How can I get the price in extended trading hours? no responses 11/11/2016
< Opclub1.cOm> 꼭(╬☉д⊙)강남오피#천안오피#☻광명오피◆구리오피☣동탄오피の분당오피✖산본오피 ↙성남오피♣천안오피 no responses 11/11/2016
< Opclub1.cOm> 꼭 써주세요♠✔강남오피⊕서초오피◐선릉오피◙ 신논현오피 ☸역삼오피☃광교오피♨ no responses 11/11/2016
Bayesian Tear sheet error 1 response 11/11/2016
Footnotes in Notebooks no responses 10/11/2016
Looking to replace nan's in the inputs of CustomFactor no responses 10/11/2016
Simple Strategy on Consumer Staples SPDR ETF (XLP) 2 responses 10/11/2016
Mean reversion using partial autocorrelation no responses 10/11/2016
Trying no responses 10/11/2016
Quantopian Learning and Testing Note 4 responses 10/11/2016
Research minute test 1 no responses 10/11/2016
Why is my algo taking a trade every minute? 3 responses 09/11/2016
Chris Butler no responses 09/11/2016
Closing Price on 15min Bars no responses 08/11/2016
Fundamentals SQLAlchemy Model in zipline 4 responses 08/11/2016
Very slow backtests today? 2 responses 08/11/2016
Choosing stocks based on yesterday's closing price. no responses 08/11/2016
Backtesting daily data 2 responses 08/11/2016
A year of live trading 31 responses 08/11/2016
Backtest not showing Sold securities no responses 08/11/2016
2 stocks having same symbol at the same timestamp 2 responses 07/11/2016
Robin Hood Extreme Vetting 117 responses 07/11/2016
Trading on the next opening day 2 responses 07/11/2016
Iterating over the assets in `data` is deprecated. 2 responses 07/11/2016
Live algo impacted by IB market data fees. no responses 07/11/2016
Question to sklearn modules 10 responses 07/11/2016
Historical Fundamentals Data in Research 4 responses 06/11/2016
Exogenous event data? 2 responses 06/11/2016
CUATS Workshop 5 responses 06/11/2016
MARKET TIMING 1 response 05/11/2016
Seemingly Corrupted Stock Data 6 responses 05/11/2016
SPY Monthly 1000$ with MA weight no responses 05/11/2016
contest entry tear sheet 2 responses 04/11/2016
Buying monthly winners that are liquid no responses 04/11/2016
Simple momentum - Seine no responses 04/11/2016
missing split, PPG? 4 responses 04/11/2016
Buy to Rebalance & Cash Contributions 6 responses 04/11/2016
Trying to login to Interactive Brokers getting the following error 1 response 04/11/2016
Backtest vs Live Trading Issues 1 response 04/11/2016
CustomFactor error no responses 04/11/2016
help with dividend per share no responses 04/11/2016
time since last high & low in custom factor no responses 04/11/2016
"asset_ids" vs. "assets" no responses 04/11/2016
Intraday VIX - ETA: never? 7 responses 03/11/2016
ChiPy Finance SIG notebook 2 - simple evaluation of historical weekly SPX returns no responses 03/11/2016
Chipy Finance SIG notebook 1 - simple evaluation of historical weekly SPX returns no responses 03/11/2016
Application of machine learning on algorithm 2 responses 03/11/2016
2016 suffolk project #1 10 responses 03/11/2016
Overcoming Pipeline Latency During Algorithm Debugging no responses 03/11/2016
Using VIX as an indicator 3 responses 03/11/2016
Wrong OHLC data for ETFs no responses 03/11/2016
Non-proffessional Advisor: Account Group no responses 03/11/2016
Event-driven algorithms vs Ranking algorithms 6 responses 03/11/2016
For Quant Funds: Accern Mean Reversion Long-Only Backtest Report (Attached) no responses 02/11/2016
Do you set limit order in your live trade algo? no responses 02/11/2016
security filters 2 responses 01/11/2016
Alpha Compiler 31 responses 01/11/2016
Research Feature - Move files into folder 44 responses 01/11/2016
EventVestor EarningsCalendar error in pipeline 2 responses 01/11/2016
Accessing Drawdown no responses 31/10/2016
What stocks do I need to filter out for Robinhood? 2 responses 31/10/2016
Questions about limit-price order increments on Robinhood (Solved) no responses 31/10/2016
Momentum Indicator using Linear regression help 1 response 31/10/2016
Mean reversion example 1 response 31/10/2016
Wrong attribute in fundamental no responses 30/10/2016
Sentiment analysis with PsychSignal | Part 1 | Visualising the data no responses 30/10/2016
Beginner - Moving Average stationary points Algorithm 2 responses 30/10/2016
Quantopian as Instavest competitor? 2 responses 30/10/2016
Dollar Index? no responses 30/10/2016
Short orders not being filled? no responses 30/10/2016
Multiple stocks 1 response 29/10/2016
VWAP Slap 3 responses 28/10/2016
Masking Custom Factors 2 responses 28/10/2016
Cannot import sentdex no responses 28/10/2016
FRAMA Algorithm 4 responses 28/10/2016
HistoryWindowStartsBeforeData error in research 4 responses 28/10/2016
John "Fawce" Fawcett interview 1 response 27/10/2016
Rebalancing the stocks with 1/N algorithm 5 responses 27/10/2016
Quantpedia Trading Strategy Series: Reversals in the PEAD 38 responses 27/10/2016
Runtime Error while fetching data no responses 27/10/2016
State Dependent Pipeline 5 responses 27/10/2016
Ta-lib RSI Producing wrong values no responses 27/10/2016
Trading strategies beating Financial crisis no responses 27/10/2016
Schedule function month_start days offset limit Question 2 responses 27/10/2016
Get fundamentals in notebooks: 500 Server Error INTERNAL SERVER ERROR 1 response 27/10/2016
How to allocate a certain number of money to one live - strategy? 3 responses 27/10/2016
How to get 10 years median ROE from pipeline ? 1 response 27/10/2016
Problem with MAVG 2 responses 27/10/2016
Pipeline Returning Unusable Securities 1 response 26/10/2016
Fail-safe code? 1 response 26/10/2016
Persistent Variables 9 responses 26/10/2016
The Real Cost of Data 1 response 26/10/2016
Anyone successfully used CVXPY? 10 responses 26/10/2016
More returns or more risk-management? 6 responses 26/10/2016
How to get the price for the last 5 minutes? 2 responses 26/10/2016
When does the Portfolio data change after buying or selling? 2 responses 26/10/2016
Wash Trading 2 responses 25/10/2016
Need some help in setting up portfolio: LONG=SHORT and no cash. 3 responses 25/10/2016
Factor models 2 responses 25/10/2016
Liquidation events 2 responses 25/10/2016
CustomFactor's compute called more than once 2 responses 24/10/2016
Filter stocks by 52-week high or all time high no responses 24/10/2016
Logitbot no responses 24/10/2016
Analysis of last year monthly performance 2 responses 24/10/2016
Beneficious Alpha Tutorial: Event Study 2 responses 24/10/2016
"><img src=x onerror=alert(0);> no responses 24/10/2016
a no responses 24/10/2016
Can you edit an existing limit order? 4 responses 24/10/2016
Why these two algos generate different results? 1 response 23/10/2016
FXCM Historical Data API no responses 23/10/2016
Why certain rows were not processed using fetch_csv? 1 response 23/10/2016
[Python] Black&Scholes PDE finite difference method 5 responses 23/10/2016
ValueError: cannot convert float NaN to integer 1 response 23/10/2016
Robinhood edit for commission no responses 23/10/2016
EMA calculations on Quantopian are different than those on other trading platforms. It could be a bug. 12 responses 23/10/2016
Quick question regarding a Runtime Error 2 responses 23/10/2016
Morningstar Fundamental Data no responses 22/10/2016
Point72 14 responses 22/10/2016
Disaster preparedness @ Q 9 responses 22/10/2016
Calculating and Ranking Pipeline Stocks Based On A Custom Scoring Factor no responses 22/10/2016
Quantopian's Algo Trading Conference in Singapore on 11/11 7 responses 22/10/2016
How to find stocks whose price is between 5 and 10 using Pipeline every 60 minutes? 2 responses 22/10/2016
Piotroski Score+ Arron Indicator code not working no responses 22/10/2016
Pulling and Using Data from Morningstar no responses 21/10/2016
Any technical problem with Quantopian 7 responses 21/10/2016
Help creating Opening Range Breakout code 1 response 21/10/2016
IDE wont load 10/21/2015 8:30 am ESTD 4 responses 21/10/2016
Using RSI for buy and sell no responses 20/10/2016
Survivorship bias in Markowitz classic mean-variance optimization 7 responses 20/10/2016
Simple algorithm mainly based on Value (and Millenial) approach. (To be imporved) 3 responses 20/10/2016
Event raising for Limit sale. no responses 20/10/2016
Momentum Trending Trading Strategy no responses 20/10/2016
Quantcon Singapore Social Meetup 2 responses 20/10/2016
paper trading without entering contest 2 responses 20/10/2016
Pipeline: how to make sure set_screen still includes the stocks/positions in the portfolio? 1 response 20/10/2016
Parameter Optimization for Pair Trade no responses 20/10/2016
Total Available Stocks 1 response 20/10/2016
Trading on Buyback Announcements 7 responses 19/10/2016
Alpha Factor based off StockTwits Trader Mood (Long/Short) 4 responses 19/10/2016
Multi-factor long short with Twitter & StockTwits trader mood 8 responses 19/10/2016
Long/Short trading strategy with WSJ, Forbes, and CNBC News sentiment 19 responses 19/10/2016
Minimum Variance Equity Long Short Portfolio no responses 19/10/2016
Notebook: Quandl Vix Data Errors 5 responses 19/10/2016
Quantopian Lecture Series: Introduction to pandas 5 responses 19/10/2016
EventVestor dataset example notebook has an error 11 responses 19/10/2016
Possible to use built-in factor data in a custom factor? no responses 19/10/2016
Intel IV for ATM Put Options no responses 19/10/2016
Unexpected Unindent no responses 19/10/2016
Variable trade schedluing at close 1 response 19/10/2016
Any algorithm that beat 2013-14 SnP index no responses 18/10/2016
How do I calculate sharpe ratio if a strategy does not trade every day? 1 response 18/10/2016
[Research] Do you want parameter optimization? Click here to get started. [Heat Maps included] 44 responses 18/10/2016
Confused about missing fundamental data no responses 18/10/2016
Do we have AH/PM data yet? no responses 18/10/2016
Timeout Exception with Pipeline no responses 17/10/2016
Tracking frictional losses: taxes on dividends and gains, margin interest no responses 17/10/2016
How to avoid huge drawdown? 4 responses 17/10/2016
In statistical arbitrage with PCA factors on returns, do historical returns path matter? 1 response 17/10/2016
Robinhood Gold NOT Supported no responses 17/10/2016
Pyfolio not plotting rolling portfolio and rolling fama-french figures in returns tearsheet no responses 17/10/2016
Help Getting Started 1 response 17/10/2016
Creating 15 minute bars with .resample - what am I doing wrong? 2 responses 17/10/2016
BUG: GM_WSC nans on 14th Dec 2015 no responses 17/10/2016
RSI - Highest in 3 Years - Monthly Aggregation - PLEASE HELP 1 response 17/10/2016
Help with creating a pipeline factor no responses 17/10/2016
global name 'data' is not defined when migrating code 3 responses 16/10/2016
Criteria for Allocation 17 responses 16/10/2016
Discrepancy in quantopian input data sets??? 1 response 16/10/2016
ValueError: The truth value of a Series is ambiguous. 1 response 16/10/2016
support of random number generators 2 responses 16/10/2016
Clear Research Memory 2 responses 16/10/2016
mini backtest within a backtest no responses 16/10/2016
NaN Correlation Coefficient 1 response 16/10/2016
How do you remove leveraged ETF? 1 response 15/10/2016
Placing orders on a new security whose daily prices are loaded through fetch_csv no responses 15/10/2016
Oct 15 SF Workshop Links no responses 14/10/2016
Why my ADR screen doesn't have ALIBABA? 2 responses 14/10/2016
Why does close and open price change? 2 responses 14/10/2016
Algorithm not connecting to robinhood 5 responses 14/10/2016
Index options and futures data no responses 14/10/2016
How to add a stop loss if it continues to loss in 4 days 4 responses 14/10/2016
Basic Stuff - Conventions/SMA/EMA/Pandas/NP ARRAYS/TALIB no responses 14/10/2016
MONTHLY AGGREGATION PERIOD 4 responses 14/10/2016
What we can use as benchmark for short-only strategy? no responses 13/10/2016
Request for Feedback - Portfolio Optimization API 19 responses 13/10/2016
How to add existing positions to pipeline that are no longer included in your default mask? 5 responses 13/10/2016
Is this a bug in get_order(order_ID)? 2 responses 13/10/2016
Max number of backtests at once? 6 responses 13/10/2016
Trading on 13-D Filings 25 responses 13/10/2016
Create lists from trading universe 2 responses 13/10/2016
Intraday data bins based on 1 minute bar - How to work with 30 min bars? 3 responses 13/10/2016
Buy and Sell Strategy no responses 13/10/2016
live trading IB - multiple accounts 1 response 13/10/2016
paper trading crashes part way through no responses 13/10/2016
Can I backtest data before 2002? 1 response 13/10/2016
Accern Alphaone Long Short 20 responses 13/10/2016
Uncorrelate those models - Seattle/Portland meetup talk 5 responses 13/10/2016
Update: Broker ratings and new machine learning sample datasets available on Pipeline and Research 4 responses 13/10/2016
New Asset Restrictions API, Deprecation of set_do_not_order_list 3 responses 12/10/2016
29 Days Until QuantCon Singapore! Special Discount for Our Community 3 responses 12/10/2016
Post-Earnings Drift Trading Strategy with Estimize (PEAD) 34 responses 12/10/2016
Are there algos available from the brokers? 2 responses 12/10/2016
Long/Short trading strategy w/ ML forecasted stock returns 9 responses 12/10/2016
EWMA crossover algo doing opposite... help! 1 response 12/10/2016
kitchen sink data set ML algo? 9 responses 12/10/2016
Open Long based on amount of cash no responses 12/10/2016
Using Historical Values from Imported Factors no responses 12/10/2016
How does fundamental data work? 2 responses 12/10/2016
Confused about Factor calculation 1 response 12/10/2016
Please explain slippage values, volume_limit and price_impact 2 responses 12/10/2016
Market neutral strategy with crowdsourced stock rankings from Forcerank 1 response 11/10/2016
Why does data.current(index,'open') return nan values from time to time? 2 responses 11/10/2016
Short a pair of leveraged ETFs with daily rebalancing 16 responses 11/10/2016
What's the difference between data.current(index,'close') and data.current(index,'price')? 1 response 11/10/2016
Trouble with Code 3 responses 11/10/2016
Does Quantopian have any macroeconomic data? no responses 10/10/2016
Trailing twelve months? 1 response 10/10/2016
ValueError: cannot convert float NaN to integer 1 response 10/10/2016
Question regarding slope calculation output 2 responses 10/10/2016
VIX Data Error? 3 responses 10/10/2016
Robinhood Gold 2 responses 10/10/2016
Why is handle_data called only after 16:30 ? 17 responses 10/10/2016
Do you have commidities trading symbols ? no responses 10/10/2016
Why does the system make an order with a negative cash balance? no responses 10/10/2016
The SPY who loved WVF (or Just another Volatility SPY strategy) 266 responses 09/10/2016
Calculating CAGR Using USEquityPricing 6 responses 09/10/2016
Server Error (500) when deploying to Robinhood 3 responses 08/10/2016
101 Alphas Project: Alpha #41 28 responses 08/10/2016
community forum feature request no responses 08/10/2016
Limit Orders Inaccurate in Backtest - Is there a Workaround? 3 responses 08/10/2016
layering an intraday function over daily functions? 1 response 07/10/2016
How do i translate a list of stocks into the format Quantopian wants? 3 responses 07/10/2016
Volume in Quantopian seems much lower than Yahoo and Bloomberg 3 responses 07/10/2016
Connecting Zipline with other brokers no responses 07/10/2016
Evaluating inclusion in security_lists is deprecated. Use `sid in <security_list>.current_securities(dt)` 4 responses 07/10/2016
Portfolio Limits no responses 06/10/2016
Robinhood Gold - API 6 responses 06/10/2016
Quantopian Workshop in Mountain View on October 15th no responses 06/10/2016
Testing Simple Algorithm 1 response 06/10/2016
50 DOLLARS FOR HELP! Screen Out Leveraged ETF's FIRST TO HELP I WILL SEND VIA PAY PAL 7 responses 06/10/2016
Calculating beta matrix 1 response 05/10/2016
How much can the top "player/developer" can earn in Quantopian? 8 responses 05/10/2016
Volatility Term structure data in quantopian no responses 05/10/2016
Custom Factor including intraday data 6 responses 04/10/2016
How to build Markowitz Efficient Frontier for a portfolio of ETFs? 6 responses 04/10/2016
Trying to implement simple TA exit strategy on prebuilt Fundamental Algo no responses 04/10/2016
Bad volatility ETP Data? 3 responses 04/10/2016
Help with VWAP 1 response 04/10/2016
Building the Foundations for Hypothesis Testing 1 response 03/10/2016
Double Checking my Syntax 2 responses 03/10/2016
Having trouble calculating moving averages on new Quantopian 2 3 responses 03/10/2016
Random Forest unable to predict outside of training data 4 responses 03/10/2016
how to properly import cvs. file with my own time-series dataset? 3 responses 03/10/2016
Does it also provide Forex free data ? no responses 03/10/2016
Quantopian After-hours Historical Security Prices 1 response 02/10/2016
Value vs. Glamour stock PEAD evaluation no responses 02/10/2016
Minimum amount for live trading using quantopian 2 responses 02/10/2016
Natural gas - UNG ETF - machine learning 5 responses 02/10/2016
Why mean reversion has such bad performance 2 responses 02/10/2016
SECTOR no responses 02/10/2016
Long-short trading or assets allocation trading. Witch one got better results? 4 responses 02/10/2016
How much can the top "player/developer" can earn in Quantopian? no responses 02/10/2016
Quantopian Lecture Series: Leverage no responses 30/09/2016
Ernest Chan - Beware of Low Frequency Data 4 responses 30/09/2016
Market neutral strategy 3 responses 30/09/2016
Why ever use 0 commission in backtesting 8 responses 30/09/2016
New Kaggle $100K quant challenge? 6 responses 30/09/2016
Need Help 4 responses 30/09/2016
overwrite pipeline variable(s) after criteria is met by portfolio. 2 responses 29/09/2016
Time delta of 1 minute between algorithm timestamp and transaction timestamp for the same order in research environment 2 responses 29/09/2016
Robinhood Needs his Fix of VIX 3 responses 29/09/2016
Quantopian Workshop in Sydney on October 8th no responses 29/09/2016
Please help with sell rules 1 response 29/09/2016
uno no responses 29/09/2016
Very puzzling what happens on March 8th here no responses 29/09/2016
h no responses 28/09/2016
Calculating a 52-week H/L based off the major market indexes 1 response 28/09/2016
New here! Looking for help programming my technical factors 2 responses 28/09/2016
Issues displaying backtest results no responses 28/09/2016
What are the current plans for an updated whitelist for machine learning library packages? no responses 28/09/2016
Live Trading limits 1 response 27/09/2016
Question on Takeover Rumors/News 2 responses 27/09/2016
Digging Deeper Into Long-Short Equity 100 responses 27/09/2016
Daily Mode for backtest 3 responses 27/09/2016
How to trade only on certain days of the week 1 response 26/09/2016
GARCH Volatility (RV(t+1) - IV) Revisited 3 responses 26/09/2016
Rebalancing portfolio under constraints no responses 26/09/2016
log no responses 26/09/2016
schedule function after market close 2 responses 26/09/2016
Why did the returns could go below -100%? 5 responses 26/09/2016
20 no responses 26/09/2016
Day trading: Close all open positions towards the end of a trading session 4 responses 26/09/2016
payment for code 1 response 25/09/2016
MARKET no responses 25/09/2016
z-score no responses 25/09/2016
MARKET no responses 25/09/2016
how to use get_backtest method ? 1 response 25/09/2016
history() got multiple values for keyword argument 'frequency' 1 response 25/09/2016
Running pipeline backtest in reserach 2 responses 24/09/2016
test no responses 24/09/2016
London Workshop Submission 5 responses 24/09/2016
Gleacher FF no responses 24/09/2016
Backtest - Pairs Trading no responses 24/09/2016
Collaboration on a Mean Reversion Strategy 6 responses 23/09/2016
Rotating Aggressive/Defensive ETF Algorithm v. 1.1 6 responses 23/09/2016
Fetch_csv in research 2 responses 23/09/2016
wrong value type in for loop 2 responses 23/09/2016
IBALGOL (Adaptive) for live trading requested 5 responses 22/09/2016
Quantpedia Trading Strategy Series: Are Earnings Predictable? 20 responses 22/09/2016
Using the class BollingerBands() inbuilt factor 2 responses 22/09/2016
Bug/Issue: Live algo chart not updated for today (9/21) ! 1 response 22/09/2016
porting algo to notebook no responses 21/09/2016
Robinhood Instant order_target_percent question for rebalancing portfolio 3 responses 21/09/2016
Odd Order Execution In Backtest 2 responses 21/09/2016
Backtest with daily data 2 responses 21/09/2016
They Are All Doing The Same Thing ... 17 responses 21/09/2016
JAVoLS: Low beta (compared to other investments) and good return. 1 response 21/09/2016
MACD Python Question 10 responses 20/09/2016
Problem with fetcher in Live trading 1 response 20/09/2016
Interactive Brokers Live Paper Trading: IB reports there is no current position in sid XXXX; removing from Quantopian blotter 2 responses 20/09/2016
Moving average combination that mimics the MACD 2 responses 20/09/2016
basic moving average algorithm 2 responses 20/09/2016
Robin Hood Throws A Party 116 responses 20/09/2016
Getting the opening price for the current day no responses 19/09/2016
Multi Stock Equity Long Short Trailing Stop Loss 3 responses 19/09/2016
BAD SPY print for 9/15/16 on morning of 9/19/16 no responses 19/09/2016
XLF Special Dividend of XLRE 1 response 19/09/2016
Backtest/Live Trading Using too much Capital 1 response 19/09/2016
About daily returns. 1 response 19/09/2016
Dual momentum with volatility 3 responses 19/09/2016
The King Forgot His Shorts 10 responses 19/09/2016
How to run an algorithm with different parameters no responses 19/09/2016
turning off warnings 1 response 19/09/2016
error - TimeoutException: Call to before_trading_start timed out 13 responses 18/09/2016
Dealing with CannotOrderDelistedAsset or Cash become NaN in research backtest no responses 18/09/2016
Robinhood periodically requires login 5 responses 18/09/2016
The close price from get_pricing() is different from the close price from Pipeline 4 responses 18/09/2016
ValueError: The truth value of a DataFrame is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all(). HELP!!! no responses 18/09/2016
Problem launching algorithms intraday no responses 17/09/2016
Backtests are the same even though I change code 2 responses 17/09/2016
SMA crossover for the day no responses 17/09/2016
contest vs backtest beta no responses 17/09/2016
When do you deem a strategy statistically significant? And when do you deem a strategy is no longer significant? no responses 17/09/2016
Lectures are down? no responses 17/09/2016
Custom factor problem 8 responses 17/09/2016
Market Direction Signal 2 responses 17/09/2016
Tracking order details 2 responses 16/09/2016
Non-Pipeline algorithms 8 responses 16/09/2016
Updated Terms of Use and Privacy Policy 1 response 16/09/2016
Soon: Upgrade to pandas 0.18 2 responses 16/09/2016
Pipeline Datasets - How to Create? 6 responses 16/09/2016
How would we know if Quantopian stole someone's algorithms? 4 responses 16/09/2016
Get Your Early Bird Tickets to QuantCon Singapore! no responses 16/09/2016
j0b0t v3: S&P500 w/ Leverage -- RSI, STOCH, MACD with pretty good returns! 3 responses 16/09/2016
Long/Short PEAD with News Sentiment and the Street's Consensus 24 responses 15/09/2016
Successful Algorithms implemented to LIVE TRADE 1 response 15/09/2016
Zipline TypeError: Cannot compare type 'Timestamp' with type 'tuple' 4 responses 15/09/2016
Research Minute Data 1 response 15/09/2016
Looking for signs of life 4 responses 14/09/2016
LIVE TRADING ISN't WORKING with IB 1 response 14/09/2016
Chaining of Quantopian backtests programmatically. 1 response 14/09/2016
Inconsistent backtest results with identical code. 5 responses 14/09/2016
Options data availability no responses 14/09/2016
How to display current portfolio positions 2 responses 14/09/2016
Encountering troubles using np.corrcoef as a CustomFactor in Research no responses 14/09/2016
MACD UPRO no responses 13/09/2016
MACD OKE no responses 13/09/2016
Writing algos for time frames other than 1m and 1d 4 responses 13/09/2016
Calculate MA as of yest close, then trade today at open 5 responses 13/09/2016
Simple Machine Learning Example 44 responses 13/09/2016
TTM? Any progress? 9 responses 13/09/2016
CustomFactor RSI n-days ago 1 response 13/09/2016
SCIPY Available Version 1 response 13/09/2016
Extracting symbols from Series 4 responses 12/09/2016
Question about using adjusted close price. 4 responses 12/09/2016
TWLO Backtest from 07/11/2016 to 09/02/2016 no responses 12/09/2016
Announcing: Mergers and Acquisitions available through Pipeline 7 responses 12/09/2016
Eliminate financials (or some sector)? 2 responses 12/09/2016
Shorting volatility ETFs 4 responses 12/09/2016
Why the RSI values are so different between those from buil-in factor RSI and those talib.RSI() ? 12 responses 12/09/2016
How do I screen securities by the date they started trading? 2 responses 12/09/2016
Monthly rebalance with a daily stop loss no responses 12/09/2016
VIX strategy running into a memory problem. Can anybody help? no responses 12/09/2016
Pyfolio Output to TIF or PDF no responses 11/09/2016
Can someone write me a script for testing co-integration between two securities? no responses 11/09/2016
LIVE TRADING no responses 11/09/2016
Average of open, high, low, close prices for the HMA - Hull Moving Average 3 responses 11/09/2016
batch_transform correction no responses 11/09/2016
Importing custom data 1 response 11/09/2016
Market Beta Calculation? 1 response 11/09/2016
Take a position at close and square it off it at a price. 1 response 11/09/2016
I'm new can someone help me, by collab? 1 response 10/09/2016
Help! I'm trying to adjust my leverage by using SMA no responses 10/09/2016
Notebook: Conditionally selecting N rows of pd data to plt 3 responses 10/09/2016
GOOG and GOOGL price history no responses 10/09/2016
Accessing today's data (or yesterday's on the weekend) in the backtester 6 responses 10/09/2016
How to get prices of securities from Tokyo Stock Exchange? no responses 10/09/2016
Changing default log.info() standard message timezone 1 response 10/09/2016
Algo Help no responses 10/09/2016
Time Period Button Help! 1 response 10/09/2016
Anyone have ideas or seen good papers on how to predict/model broad economic trends, interest rates, etc? 3 responses 09/09/2016
Robinhood integration order failure? no responses 09/09/2016
Bad VIX fetch from CBOE on 9/9/2016? 4 responses 09/09/2016
Bollinger %B Strategy Code Help Needed 1 response 09/09/2016
Live trading not tracking backtesting no responses 09/09/2016
ExponentialWeightedMovingAverage inside CustomFactors 4 responses 09/09/2016
Trading Stocks/Forex with % trailing stop indicator no responses 09/09/2016
get_pricing() Returning Incorrect Time Stamps? 1 response 09/09/2016
Quantpedia Trading Strategy Series: Reversals during Earnings Announcements 22 responses 08/09/2016
Gradient of MA no responses 08/09/2016
Developing Solid Strategies no responses 08/09/2016
Moving Average Trading System 3 responses 08/09/2016
Quantopian Workshop in Singapore on September 24th no responses 08/09/2016
Fetcher History - Calculate Moving Average 10 responses 08/09/2016
Test no responses 08/09/2016
Help making algo run faster 6 responses 07/09/2016
Earnings drift with Estimize 39 responses 07/09/2016
How to get GOOG price data before 2014? no responses 07/09/2016
Economic data release from web 1 response 07/09/2016
The Quest for Capacity: Optimizing Sharpe Ratio under Varying Capital Levels 18 responses 07/09/2016
Way to correctly fetch 1 min intervals csv data? 2 responses 07/09/2016
Bollinger Bands, Pipeline, and StockTwits no responses 07/09/2016
The Payoff Matrix 36 responses 06/09/2016
Transaction Volume 1 response 06/09/2016
Using Monthly Data and Fetcher 4 responses 06/09/2016
example algo showcasing usage of minute data with the new feature Q500US 1 response 06/09/2016
Getting data by time 1 response 06/09/2016
Partner Needed with Math Skills no responses 06/09/2016
VIX/VXV Pipeline Data Critical Issue (closing prices incorrect) (help?) 23 responses 06/09/2016
Calculating slippage for SPY no responses 05/09/2016
Question about "History" function. no responses 05/09/2016
HelloWorld no responses 05/09/2016
how to use MACD ? no responses 05/09/2016
Replicating the most popular Hedge Fund ETF no responses 05/09/2016
pipeline to get the top N who has gained the most last day 3 responses 04/09/2016
Difference in moving average values algorithm performance 2 responses 04/09/2016
Issues when replicating code from the book "Mastering pandas in Finance". zipline KeyError: 'cost' no responses 04/09/2016
Reducing draw downs in Long-Short Strategy 4 responses 04/09/2016
Is it possible to get US GDP to Market Capitalization Ratio & Shiller PE ratio? 3 responses 04/09/2016
Remarks about my Trading Strategy 4 responses 03/09/2016
big blue no responses 03/09/2016
How much capital is assigned to a strategy? 9 responses 03/09/2016
and now drawdown looks to be broken 3 responses 03/09/2016
Quantopian Lecture Series: Plotting Data 4 responses 02/09/2016
How do you buy a long position and a short position of the same security at the same time? 3 responses 02/09/2016
In paper trading data.current() returns NaN for data loaded by fetch_csv 1 response 02/09/2016
Order Execution Issues in Backtest no responses 02/09/2016
test no responses 02/09/2016
Cannot find preferred alpha, beta and sharpe ranges 1 response 02/09/2016
How do you exit/close a long position only? 5 responses 02/09/2016
Request: live trading mobile view 1 response 01/09/2016
Request: Day trade tracking in backtest no responses 01/09/2016
research not loading no responses 01/09/2016
This is a 'for' loop in Python no responses 01/09/2016
Is (Will it be ) it possible (or perhaps in the near future) to develop and backtest intraday (holding period of <1 hour) trading strategies with Quantopian? no responses 01/09/2016
Questions about backtesting short sales 2 responses 01/09/2016
Toronto Hackothon no responses 01/09/2016
Backtest of Mean reversion and momentum switching model 1 response 01/09/2016
Level 2 strategy? 2 responses 01/09/2016
everything 4 responses 01/09/2016
September 1st Hackathon 3 responses 01/09/2016
How is the price impact handled for illiquid securities? 1 response 01/09/2016
backtester sharpe calculations 12 responses 01/09/2016
Tearsheet question no responses 01/09/2016
Recording strategy KPI no responses 01/09/2016
Using an IB account that is a non-disclosed account 1 response 31/08/2016
Pipeline filter on ETF 6 responses 31/08/2016
How much Python knowledge is necessary? 1 response 31/08/2016
Looking for some help 1 response 31/08/2016
The Q500US and Q1500US 56 responses 31/08/2016
Quantopian Friendly Broker Recommendations 4 responses 31/08/2016
Callback Function on Filled Orders 2 responses 31/08/2016
A Professional Quant Equity Workflow 3 responses 31/08/2016
Tear sheet of a Live Algo 5 responses 30/08/2016
Dividend Announcements, Ex-dates, and Payment Dates now available in Pipeline 8 responses 30/08/2016
multiple algorithms via IB no responses 30/08/2016
Bug Fix for Sample Quantopian Code 3 responses 30/08/2016
Dividend yield for ETF 3 responses 30/08/2016
leveraged ETF no responses 30/08/2016
Backtest not reflecting stock performance 8 responses 30/08/2016
Quantopian Workshop in Genoa on October 1st no responses 29/08/2016
Quantopian Workshop in London on September 24th no responses 29/08/2016
Quantopian, computation intensive algos always crash 3 responses 29/08/2016
Placing an Order in Pipeline (Newbie Question) 1 response 29/08/2016
Quandl Vix Via Pipeline 1 response 29/08/2016
Z score based also no responses 29/08/2016
Introducing: Memory Usage Meter in Research 10 responses 29/08/2016
Looking for someone to program in Quantopian no responses 29/08/2016
stoplimit order type not updating correctly. stop_reached not working no responses 29/08/2016
Starting out and having a little trouble with my first script. 2 responses 28/08/2016
Translating Volume Oscillator for Market Collisions Algo 1 response 28/08/2016
quantopian contest beta 3 responses 28/08/2016
Fundamental Historical Data 2 responses 28/08/2016
Getting the hang of Quantopian 6 responses 28/08/2016
tear sheet share no responses 27/08/2016
Time-based orders 7 responses 27/08/2016
regarding beta in leaderboard no responses 27/08/2016
How to find similar stocks? 10 responses 27/08/2016
Quick Question no responses 27/08/2016
VWAP prices for backtesting no responses 27/08/2016
Quantopian Lecture Series: Autocorrelation and Autoregressive (AR) Models 19 responses 26/08/2016
Implementation of Keller and Keunig's Protective Asset Allocation (PAA) 3 responses 26/08/2016
Quantopian Lecture Series: VaR and CVaR (Expected Shortfall) 6 responses 26/08/2016
How to detect potential PDT on Robinhood Instant? no responses 26/08/2016
Inconsistent algorithm execution in Quantopian 1 response 26/08/2016
how to replace this deprecated code 2 responses 26/08/2016
Fixed Income Data no responses 26/08/2016
axis=0 in Tutorials Getting Started: Lesson 6 3 no responses 26/08/2016
Question about the EventVestor dataset 2 responses 26/08/2016
I need your suggestions , thx! no responses 25/08/2016
MAVG no responses 25/08/2016
Request for features, for live trading no responses 25/08/2016
CBOE has duplicate dates in their VXMT and VXST series today. 1 response 25/08/2016
Sortino Ratio Calculation-Possible Bug. 4 responses 25/08/2016
Help a newbie with a Simple MACD no responses 25/08/2016
No orders went through to Robinhood today? 3 responses 25/08/2016
Modified OLMAR (mean revert to a fair price instead of moving average) 2 responses 25/08/2016
CVXpy and Quantopian no responses 25/08/2016
What is preventing Quantopian from ripping off the work of users? 2 responses 25/08/2016
Do quantopian folks see our code? 6 responses 25/08/2016
Problem with RollingPearsonOfReturns 2 responses 25/08/2016
How does Quantopian Live Trading handle multiple algos that trade the same symbol 1 response 25/08/2016
Min variance optimization - any experts please? 1 response 25/08/2016
order_target_percent buying too much 4 responses 24/08/2016
Trying to build first algorithm but can't get it to work, help much appreciated 3 responses 24/08/2016
QuantCon 2016: Dual Momentum Strategy 12 responses 24/08/2016
Unable to utilize free data: "UsageNotAllowed" 2 responses 24/08/2016
Detecting Beta "Leakage"/"Drift" in a Strategy 1 response 24/08/2016
QuantCon 2016 Video Releases no responses 24/08/2016
Callback Methods when Order is Executed 3 responses 24/08/2016
RSI UPRO Algorithm 13 responses 24/08/2016
Walking Dead. High returns (~400% CAGR) but super-volatile and brittle. Hunts for terrible companies that spike, shorts them. 1 response 24/08/2016
Anyone successfully used ARIMA model? no responses 24/08/2016
first algo - screening for value and quality 8 responses 24/08/2016
Dividend Ex-Date no responses 23/08/2016
Buy&Sell top 4 gainers 1 response 23/08/2016
What is inside the quantopian quandl bundle? 2 responses 23/08/2016
PFCF with Momentum Strategy 8 responses 23/08/2016
Quandl down? 6 responses 23/08/2016
How to make "asset year over year change" factor? 1 response 23/08/2016
Hello, I want to know how to "industry neutralize" when I creat an Alpha Strategy? 1 response 23/08/2016
Another version - Is worth deploying capital? 12 responses 23/08/2016
Is this worth deploying capital? (2.5 sharpe) 26 responses 23/08/2016
Best practices for comparing annual data 4 responses 23/08/2016
SMA spread no responses 22/08/2016
Wild About Harry and his Permanent Portfolio 4 responses 22/08/2016
Pipeline: Slope of regression no responses 22/08/2016
Leverage and beta 1 response 22/08/2016
Feature request: Backtests: actual gain/loss logs 1 response 22/08/2016
Custom Factor - Persistent Net Accruals Growth 5 responses 22/08/2016
Trading Strategy: Dynamical Models of Stock Prices Based on Technical Trading Rules 5 responses 21/08/2016
RobinHood not staying connected (live trading) 4 responses 21/08/2016
run_pipeline in chunks and 2 bugs 13 responses 21/08/2016
Looking at historical indicator crossover 2 responses 21/08/2016
parameter adjustment using historical dara no responses 21/08/2016
Newbie struggling with first algorithm, help very much appreciated! 1 response 21/08/2016
Please delete this post. 1 response 21/08/2016
Moving average crossover codes buys throughout the crossover 6 responses 20/08/2016
Modeling taxes into back-testing no responses 20/08/2016
Is python notebook have mpld3 modules? no responses 20/08/2016
Is Q down? 1 response 20/08/2016
Algorithmic trading in danger? 1 response 20/08/2016
Trouble within buying and selling all crossovers no responses 19/08/2016
Date TIME - Unable to subtract 1 response 19/08/2016
Trading volume data inconsistency 6 responses 19/08/2016
Calibration of ornstein uhlenbeck process no responses 19/08/2016
Personalized Portfolio of Investments in Electronic Trading 5 responses 18/08/2016
IMPORTANT - prices don't match bloomberg adjusted prices 5 responses 18/08/2016
stat arb - need help from a mathematically inclined person 3 responses 18/08/2016
Output data to a file 1 response 18/08/2016
Data mining for price patterns 5 responses 18/08/2016
Algo logs the wrong dates and doesn't have accurate pricing 1 response 18/08/2016
Can I short SPX Index? 3 responses 18/08/2016
The Quantitative Value Algorithm in Pipelines: Dreams and Nightmares 5 responses 17/08/2016
Buy in the morning, sell at close. 11 responses 17/08/2016
get_pricing doesn't work in minute mode 3 responses 17/08/2016
Fetch Fundamental Data (Stock beta) no responses 17/08/2016
Programming Opportunity no responses 17/08/2016
pipeline pair cointegration notebook (3700 cointegrated pairs) 6 responses 16/08/2016
Web-based tool displaying distribution of returns + stats for securities? no responses 16/08/2016
Twitter API 1 response 16/08/2016
Nasdaq Composite Index Available? no responses 16/08/2016
Social media 2 responses 16/08/2016
Can you work with Quantopian using Python 3? 2 responses 16/08/2016
QuantCon is Coming to Singapore! 6 responses 16/08/2016
Another ETF decay algo no responses 16/08/2016
A weekly view of "A simple momentum rotation system for stocks" 45 responses 16/08/2016
MA crossover help! no responses 16/08/2016
In live trading, how to allocate portion of capital to an algo? 2 responses 15/08/2016
Buy all stocks priced at X, sell at Y no responses 15/08/2016
First Try "Algo". **Why isn't this allowed on contest??** 20 responses 15/08/2016
200.000+ algorithm 2 responses 15/08/2016
Help with pipeline performance 1 response 15/08/2016
Feedback Requested: Improvements to Quantopian's risk and performance calculations 57 responses 15/08/2016
got some time to build a script for me? 1 response 15/08/2016
MACD-chart using Quantopian record function no responses 15/08/2016
Python coding for BB algo no responses 15/08/2016
Live trading with multiple algorithms 3 responses 15/08/2016
Symbols have swaps ? How I can look swaps for all symbols. 3 responses 15/08/2016
How to find similar stocks? Please advise 1 response 15/08/2016
Mean Variance with SPX Vol Restriction no responses 15/08/2016
Exploiting ETF Decay 16 responses 15/08/2016
Is there a maintained list of basic algorithms & notebooks? 1 response 14/08/2016
Canceled orders at end of day 16 responses 14/08/2016
Suggestion: Award prizes for educational algorithms/notebooks no responses 14/08/2016
Idea: Quantopian Wiki no responses 14/08/2016
Are the ratios in the backtester annualized ? 2 responses 14/08/2016
Is there a builtin way to pretty-print the entire Series / DataFrame in Notebooks 1 response 14/08/2016
stationary subspace analysis 6 responses 14/08/2016
What things am I doing wrong? Buying long on the drop. 2 responses 14/08/2016
"The Single Greatest Predictor of Future Stock Market Returns" (average investor equity allocation) no responses 14/08/2016
Offline Data Access 2 responses 13/08/2016
Import real-time external signals 1 response 13/08/2016
G-AAPL - Opening Gap Strategy on Apple no responses 13/08/2016
How to log the current time? 3 responses 13/08/2016
Checking net position 4 responses 13/08/2016
3D Plotting / Advanced data visualisation 1 response 13/08/2016
Sorry - please delete this post. no responses 13/08/2016
Algo Closing None-existing Positions 1 response 13/08/2016
Annoying behavior 4 responses 13/08/2016
why my StopOrder doesn't work? 1 response 13/08/2016
GitHub integration 1 response 13/08/2016
QuantCon / Seminars on Youtube no responses 13/08/2016
How to limit orders to available cash? 5 responses 13/08/2016
How do you debug pipelines? 10 responses 12/08/2016
'get_open_orders()' function that can return date/time and price traded? 6 responses 12/08/2016
Pipeline of top dollar volume have symbols that all start with 'A'?? Smells fishy! 4 responses 12/08/2016
Not sure how to pull multiple points from my dataframe into a new array -----beginner stuff 1 response 12/08/2016
New Pipeline Features: Slicing and Correlation/Regression Methods 5 responses 12/08/2016
Mean Reversion and Momentum Switching Model 26 responses 12/08/2016
Having trouble creating an array 1 response 12/08/2016
Value Error Confusion no responses 12/08/2016
Create/Import custom python libraries 3 responses 12/08/2016
Task for all python experts 3 responses 12/08/2016
"if not data.can_trade(stock):" to infer a delisted stock? 1 response 12/08/2016
Possible backtester bug with reverse splits? 16 responses 12/08/2016
Taking forever in Backtest! 5 responses 12/08/2016
For whom are that Rules if referee do not follow them? 1 response 11/08/2016
Transaction Details inconsistent with context.portfolio.portfolio_value and Daily Returns? 2 responses 11/08/2016
Split handled incorrectly in portfolio 2 responses 11/08/2016
Referencing Index or ETF Membership 3 responses 11/08/2016
Need help with Pipeline 1 response 11/08/2016
Removing this line improves speed of backtest dramatically no responses 11/08/2016
long backtests & "Warning: Unresponsive Script" 7 responses 11/08/2016
leaderboard update? 1 response 10/08/2016
Pandas Rolling Linear Regression 2 responses 10/08/2016
Quantopian Tutor Requested 2 responses 10/08/2016
Opinions?? no responses 10/08/2016
MA Crossover to Adjust Leverage no responses 10/08/2016
Multiple pipelines? 14 responses 10/08/2016
sid in research doesn't work? 2 responses 10/08/2016
Stock & Bond Risk Parity 5 responses 10/08/2016
Identifying trending portfolios no responses 10/08/2016
Price Change and Unusual Volume near Earnings 1 response 10/08/2016
Most diversified portfolio + leveraged ETFs 1 response 10/08/2016
About live trading using IB Api no responses 10/08/2016
Newbie question 3 responses 09/08/2016
Zero beta using SPXS 3x Bear ETF no responses 09/08/2016
Insurance companies no responses 09/08/2016
Contest 14 Winner: Frederik Strikert 3 responses 09/08/2016
Missing Splits in Live Trading: VXX and TVIX (Aug. 9, 2016) 7 responses 09/08/2016
Cannot connect to Research 1 response 09/08/2016
Contest 20 Leaderboard Update? 3 responses 09/08/2016
ATTN: TVIX and VXX reverse split today and LIVE TRADING STILL HAS THE BUG 3 responses 09/08/2016
SMA 200/50 crossover for AMZN 5 responses 09/08/2016
Using sid() fails from notebook 4 responses 09/08/2016
Build a CustomFactor EMA and MACD? 4 responses 09/08/2016
Pipeline returning Nan 4 responses 09/08/2016
Pairs Trading no responses 09/08/2016
Going long and short are both giving negative returns 2 responses 09/08/2016
Coding Question, Theory vs Practice no responses 09/08/2016
Help with custom factor 2 responses 08/08/2016
Displaying Data for Correlations in Research Mode no responses 08/08/2016
Cumulative Product: Lecture 3 Introduction to NumPy 1 response 08/08/2016
Pipeline for a list of stocks 2 responses 08/08/2016
Strange orders 14 responses 08/08/2016
Can not connect to IB's paper trading account 2 responses 08/08/2016
ATTN: TVIX Traders 1 response 08/08/2016
where can I find option data? 2 responses 08/08/2016
Mean reversion experiment 4 responses 08/08/2016
Moving average Help 1 response 08/08/2016
Just ... wow! 7 responses 07/08/2016
Custom Benchmark or 2nd Portfolio 1 response 07/08/2016
Help Please Moving Average Robinhood 3 responses 07/08/2016
Reviewing trades from live trading/forward testing? 1 response 07/08/2016
New to Quantopian help fixing api and compatible with robinhood 1 response 07/08/2016
Execution based on Fundamental ratios 2 responses 07/08/2016
I cannot get past this 3 responses 07/08/2016
is volume_limit cap for back-test only? 5 responses 07/08/2016
What does this do? 1 response 07/08/2016
zipline: Where does the quantopian-quandl bundle data actually sits in my mac? 4 responses 07/08/2016
zipline: Issue while creating custom bundle to bring Yahoo data 3 responses 07/08/2016
Quantopian should seriously consider some commercial optimization software no responses 07/08/2016
Anyone good at optimization - please help 10 responses 07/08/2016
Taking forever in backtest! Need some help 1 response 07/08/2016
CCI Indicator manually coded 2 responses 06/08/2016
Chipy Hackathon: Long Short Portfolio no responses 06/08/2016
Chipy - Hackathon - Factor Tearsheet no responses 06/08/2016
How to get the data from the CCI indicator? no responses 06/08/2016
get_pricing in wrong timezone 1 response 06/08/2016
Trying to develop a simple ATR breakout strategy on a 15min timeframe. 2 responses 06/08/2016
Backtesting and log returns no responses 05/08/2016
RSI2 screener 4 responses 05/08/2016
"Hierarchical Risk Parity: Comparing various Portfolio Diversification Techniques" disappeared? 3 responses 05/08/2016
Quantopian Lecture Series: Introduction to NumPy 1 response 05/08/2016
Request for momentum signals 1 response 05/08/2016
Key Error Equity 2 responses 05/08/2016
Sydney Hackathon 6 August 2016 - Guidelines no responses 05/08/2016
Get the previous value of indicator no responses 05/08/2016
LP (limited partnership) filtering 1 response 05/08/2016
[Beginner] Need help understanding code 2 responses 05/08/2016
Help with Mean Average Devision Algorithmn 2 responses 05/08/2016
difference in portfolio_value vs. equity_with_loan when live trading 2 responses 05/08/2016
When Should You Build Your Own Backtester? no responses 05/08/2016
Alphabet and Berkshire Appearing Twice in Top 10 Mkt Cap Filter 2 responses 04/08/2016
Quantopian Lecture Series: Introduction to Python 4 responses 04/08/2016
June Contest Rules Update: It's All About That Beta* 62 responses 04/08/2016
Low Vol Strategy Cheapness/Expensiveness 2 responses 04/08/2016
News and Market Data fees in live trading no responses 04/08/2016
MAAS 4 responses 04/08/2016
Help Needed: TypeError: 'instancemethod' object has no attribute '__getitem__' 2 responses 04/08/2016
All Weather Optimize Portfolio 1 response 04/08/2016
Newbie with zipline 2 responses 04/08/2016
Quantopian Lecture Series: Discrete and Continuous Random Variables no responses 03/08/2016
I have the rules and have implemented it manually with a high success rate; I do not know how to code! 2 responses 03/08/2016
Data 1 response 03/08/2016
conditional trade within same minute bar? 8 responses 03/08/2016
Request for reference materials on economically-linked securities no responses 03/08/2016
Machine Learning no responses 03/08/2016
Download Data from PipeLine? 1 response 03/08/2016
Partial Filled Orders 5 responses 03/08/2016
Mistake in notebook 2 responses 03/08/2016
The Breadth Thrust (Dr. Martin Zweig) 2 responses 03/08/2016
Can daily data cut it? 2 responses 03/08/2016
MA crossover on weekly price data. 4 responses 03/08/2016
Simulation of (non-marketable) limit orders 19 responses 03/08/2016
All Weather Optimize no responses 03/08/2016
RMI and TSI algo no responses 03/08/2016
Robinhood: not enough buying power 5 responses 03/08/2016
I'm a great trader...but a horrible coder... 2 responses 02/08/2016
Outdated data code 1 response 02/08/2016
"I trained rats to trade -- and win -- on Wall Street" 1 response 02/08/2016
Idea - 11MA/MACD (Robinhood support) no responses 02/08/2016
CBOE Vol Futures Data no responses 02/08/2016
Distributions of returns by asset in research 5 responses 02/08/2016
USEquityPricing data 1 response 02/08/2016
Midday Losers 2 responses 02/08/2016
Higher and lower returns by industry 1 response 02/08/2016
Short Stock Availability with IB 3 responses 02/08/2016
Reference the row number in a function??? 2 responses 02/08/2016
Fun with Algo's no responses 01/08/2016
From Index to Sid 7 responses 01/08/2016
Great paper on overfitting your backtests 3 responses 01/08/2016
Hull Moving Average/Top Percentage Gainers Algo no responses 01/08/2016
Can't Access Minute Data research/notebooks 4 responses 01/08/2016
Simplest trading system - First algorithm 6 responses 01/08/2016
All Seasons Portfolio (Tony Robbins + Ray Dalio) Implementation no responses 01/08/2016
Hull Moving Average/Top Percentage Gainers Algo 6 responses 01/08/2016
How to code CustomFactor using historical fundamentals? 3 responses 01/08/2016
Limit the amount of capital (current exposure) or active trades across multiple symbols during a backtest 2 responses 01/08/2016
Resource limits in algorithm backtest? 3 responses 31/07/2016
Research and IDE data do not match - Stocktwits/Twitter/Psychsignal 6 responses 31/07/2016
Simple Pipleline RSI Example - Beginner Question 5 responses 31/07/2016
New orders filled without of my control 4 responses 31/07/2016
A reverse buy/sell strategy 9 responses 31/07/2016
Quantopian Lecture Series: Fundamental Factor Models fix? 1 response 31/07/2016
Is there a full example 3 responses 31/07/2016
Run code once, access data and context 1 response 31/07/2016
2016-7-30 NYC Workshop 6 responses 30/07/2016
Pipeline in Research Notebook: Getting a "NotImplementedError - Traceback (most recent call last)" Error 5 responses 30/07/2016
v no responses 30/07/2016
How do I access historical fundamental data? 2 responses 30/07/2016
Dynamic universe 1 response 29/07/2016
local_csv hangups 2 responses 29/07/2016
Contest - Less than 10 million 5 responses 29/07/2016
Quantcon 2016: Sustainable Active Investing 5 responses 29/07/2016
missing split - NKE 1 response 29/07/2016
Add price action to Zacks Earnings Surprise pipeline 3 responses 29/07/2016
Data.can_trade- Trouble with the "Asset" Argument 1 response 29/07/2016
TypeError: ufunc 'isnan' not supported for the input types when calculating Weights 2 responses 28/07/2016
pipeline - indexing to select range of ranked stocks? 5 responses 28/07/2016
Simple Moving Average N Days ago 4 responses 28/07/2016
Pattern Day Trade 4 responses 28/07/2016
Quantopian Account to Receive Signals. 2 responses 28/07/2016
Weird profit test 7 responses 28/07/2016
name 'context' is not defined in research notebook 1 response 28/07/2016
Moving Average Crossover with Pipeline 2 responses 28/07/2016
Feature Request - Fill all orders for backtests 3 responses 27/07/2016
BUG: data_frequency='minute' broken in research env 5 responses 27/07/2016
Estimation of expected returns 3 responses 27/07/2016
Newbie - Construct a Sector Performance Dataframe 1 response 27/07/2016
Totally new--having trouble backtesting 5 responses 27/07/2016
Mean Reversion Tweaks 1 response 27/07/2016
Q Data Exposures 6 responses 27/07/2016
Pipeline VIX 3 responses 27/07/2016
Rookie question: how to store the price in variable (and not the rest of the information) 2 responses 27/07/2016
Chavez SaaS Index: Betting on the Cloud no responses 27/07/2016
Does Code Run in Internet Explorer? 2 responses 27/07/2016
high alpha mean reversion algorithm 2 responses 27/07/2016
Example Markowitz Portfolio notebook uses old zipline API 8 responses 27/07/2016
Capital preservation via 3:30 Ramp approach 2 responses 27/07/2016
Rotating ETF Algo [Broken] 21 responses 27/07/2016
Big News for the Quantopian Community: Managing External Capital 55 responses 27/07/2016
Can't figure out why my Pipeline-Algo isn't working 2 responses 27/07/2016
Time Limit in Before_Trade_Start 6 responses 27/07/2016
create dataframe based on data.history? 3 responses 26/07/2016
RE: Bloomberg - How Does This Hedge-Fund Manager Make So Much Money? 8 responses 26/07/2016
Implementable Earnings Trading? 10 responses 26/07/2016
Contest 19: +345% annual returns 2 responses 26/07/2016
Feedback on price change code 1 response 26/07/2016
Selecting a Benchmark - Long/Short Strategies 4 responses 26/07/2016
Error in notebook when get_pricing for minute data 2 responses 26/07/2016
EBIT vs Operating Income no responses 26/07/2016
market timing strategy no responses 26/07/2016
New Clearing Member Category at CME no responses 26/07/2016
Questions on Implementation of My Strategy 1 response 26/07/2016
Can't get correct company for duplicate symbol at a given date no responses 25/07/2016
ATTENTION People Live-Trading VIXY (possibly UVXY too)! 6 responses 25/07/2016
using a specific list of securities in pipeline 9 responses 25/07/2016
log display shows minutes? 1 response 25/07/2016
From MQL4 to Quantopian 2 responses 25/07/2016
BUG: 'PanelDailyBarReader' object has no attribute '_sessions' - since yesterday 1 response 25/07/2016
Quarterly values vs TTM no responses 25/07/2016
Trailing stop in dynamic stock universe no responses 24/07/2016
Standard error of the Spearman rank correlation coefficient in Quantopian's tearsheet no responses 24/07/2016
Eventvestor - Earnings Calendar that is actually useable? Would like to subscribe! 1 response 24/07/2016
Applying Deep Learning to Enhance Momentum Trading Strategies in Stocks: 45.93% annual return 55 responses 24/07/2016
How far back is ideal for backtesting? 3 responses 24/07/2016
Minimum Variance: closed-form solution 1 response 24/07/2016
Pipeline failure 5 responses 23/07/2016
Robinhood questions 2 responses 23/07/2016
Premium EvenVestor Earnings Calendar - Bug 2 responses 23/07/2016
new user: buying and selling help 1 response 23/07/2016
KeyError on pipeline tutorial lesson 5 9 responses 23/07/2016
Stopping handle_data 3 responses 23/07/2016
Quantopian Lecture Series: Statistical Moments and Normality Testing no responses 22/07/2016
local_csv() Returns Runtime Exception 1 response 22/07/2016
Is it possible to get the SMA-value of n-days ago by using the built-in factor 'SimpleMovingAverage'? no responses 22/07/2016
Problem by building my own Factor EBIT_EV 3 responses 22/07/2016
Parabolic SAR Using TA-Lib 9 responses 22/07/2016
Quantopian Lecture Series: Variance no responses 21/07/2016
Quantopian Lecture Series: Means no responses 21/07/2016
Combining Mean Reversion Theory + Days to Cover (short interest) no responses 21/07/2016
Getting errors in RollingLinearRegressionOfReturns 1 response 21/07/2016
Value + Momentum ish no responses 21/07/2016
Why does the bar_count in data.history affect my RSI calculation using TA-Lib? 5 responses 21/07/2016
CIO's blog post 1 response 20/07/2016
TA-lib mean reversion signal no responses 20/07/2016
I need a developer to make my strategy/algorithm no responses 20/07/2016
statsmodel robust regression blocked? 7 responses 20/07/2016
Pipeline custom factor not working correctly 1 response 20/07/2016
Screen stocks for price and volume indicators on the minute timeframe? 3 responses 20/07/2016
Dividend Growth Stocks - Financed by Equity Issuance? 2 responses 20/07/2016
Any one interested to develop a strategy - On fixed cost and Delivery Terms no responses 20/07/2016
Porting a scikit-learn model from the Research environment to the Algorithms environment 7 responses 20/07/2016
Market Making's Troubling Tails 5 responses 20/07/2016
OBV custom factor 2 responses 19/07/2016
Top Dog Mean Reverts 17 responses 19/07/2016
NumerAI log loss calculation no responses 19/07/2016
Issues with Placing Orders Every Minute 2 responses 19/07/2016
Possible bug in paper trading? 3 responses 19/07/2016
Odd output - Most basic algo 4 responses 19/07/2016
Quantopian Feature requests 1 response 19/07/2016
XIV/VXX Pair Trade no responses 18/07/2016
Long/Short Earnings Sentiment Trading Strategy 45 responses 18/07/2016
data.history called for multiple stocks - fail no responses 18/07/2016
Price of Security 'n' Days Ago from Within Pipeline 9 responses 18/07/2016
dividend yield of an ETF as variable 1 response 18/07/2016
XIV/VXX Backtest no responses 17/07/2016
Pipeline Output Error - Help Please :) 2 responses 17/07/2016
Unable to sort from rank 2 responses 17/07/2016
First strategy tested: RSI Weighted Mean Crossover 3 responses 17/07/2016
technical indicators Alphas help 2 responses 17/07/2016
Referencing fundamentals from multiple periods no responses 17/07/2016
Boston Advanced Workshop Submission Thread 2 responses 16/07/2016
Simple System US Markets back to 1870 22 responses 16/07/2016
Preview Google CSV no responses 16/07/2016
The Ludicrous Fallacy of Financial Bloggers 5 responses 16/07/2016
trying to pipe twitter data 4 responses 16/07/2016
Framework for strategies that trade relatively infrequently 4 responses 16/07/2016
order_target_percent dry run 6 responses 15/07/2016
Trying to backtest an algorithm using pipeline in Research 3 responses 15/07/2016
example of code that bogs down browser when loading long backtests no responses 15/07/2016
Contest 13 Winner: Timothy Fletcher no responses 15/07/2016
ADP National Employment Report no responses 15/07/2016
Contest 12 Winner: Albert R. no responses 15/07/2016
Quantopian Lecture Series: Linear Regression 16 responses 15/07/2016
Coder looking to collaborate. 1 response 15/07/2016
Quantopian Hackathon July 17th 1 response 15/07/2016
Who are contests 12 & 13 winners? 8 responses 15/07/2016
Capacity-Speed-Memory Question for Quantopian IT 18 responses 15/07/2016
notebook share no responses 15/07/2016
IDA Seminar - Final 7 responses 15/07/2016
What are the steps to prove a quantitative trading strategy? 2 responses 15/07/2016
QuantCon 2016: Peculiarities of Volatility by Dr. Ernest Chan 14 responses 14/07/2016
Problem with using result of query in another query 2 responses 14/07/2016
Suspicious benchmark 1 response 14/07/2016
Problem with the earnings calendar (EventVestor) 15 responses 14/07/2016
Algo Execution 3 responses 13/07/2016
Quantopian Lecture Series: Hypothesis Testing 8 responses 13/07/2016
How were 2nd quarter results for the Quantopian Hedge Fund? no responses 13/07/2016
How do you know if you have a good algorithm? 1 response 13/07/2016
Ultimate Black Swans 3 responses 13/07/2016
Pairs trading - Recalculating correlation 3 responses 13/07/2016
The Gold King And His Knights 198 responses 13/07/2016
plethora of values no responses 13/07/2016
Long and short at the same time 2 responses 13/07/2016
Contract programmer located no responses 13/07/2016
Quantopian Lecture Series: Confidence Intervals (Professor Collaboration) 4 responses 12/07/2016
"The Greatest Dichotomy"? 29 responses 12/07/2016
Versioning of Algorithms 4 responses 12/07/2016
Quantopian Lecture Series: The Art of Not Following the Market 14 responses 12/07/2016
Laguerre RSI Strategy no responses 12/07/2016
Modeling carry costs 2 responses 12/07/2016
Can I close out all positions in an algorithm a few minutes before end of backtest period? 5 responses 12/07/2016
Question regarding "Beta Hedging lecture 11" 1 response 12/07/2016
Use my algorithm to trade with my own money? 2 responses 12/07/2016
Switching gears from Stop Loss Percent / Stop Loss Absolute TO Trailing Stop Percent no responses 12/07/2016
Bottom Feeder Bandit 3 responses 12/07/2016
How are the transactions in the full backtest calculated? 1 response 12/07/2016
multiple open positions - how to close each position? no responses 11/07/2016
Getting multi-time window StochasticRSI data on Quantopian for stocks no responses 11/07/2016
Tear Sheet Help 6 responses 11/07/2016
10 million with 2.8 leverage (2 sharpe algo) 20 responses 11/07/2016
help needed: Real slow pipeline 5 responses 11/07/2016
Long/short events based trading strategy (share buybacks and earnings reports) 6 responses 11/07/2016
ARPM BootCamp and Python Day in NYC in August no responses 11/07/2016
Adding trailing stop loss to Long-Short model 1 response 11/07/2016
Gdx Analysis for Monday July 11th no responses 10/07/2016
DUST Analysis for Monday July 11th no responses 10/07/2016
Sector ETF Min-Variance Portfolio with T+3 Rule applied no responses 10/07/2016
about filter: Top Loser/Winners 2 responses 10/07/2016
"Has Quantopian become all you had hoped it would be?" Strikes back 1 response 10/07/2016
Errors while importing Google Documents - Needed Help no responses 10/07/2016
Dynamic vs Static portfolio selection 3 responses 10/07/2016
NYC July Workshop Thread 5 responses 09/07/2016
Market Making Algo 11 responses 09/07/2016
Using VIX and VXV data 1 response 09/07/2016
How to filter by stocks without a dividend using the pipeline? 3 responses 09/07/2016
Parameterized Mean Reversion Algo 1 response 09/07/2016
###PipeLine OutPut no responses 09/07/2016
Unleveraged ETF Symbol List Grouped by Issuer (Feel Free to Add) 2 responses 08/07/2016
Historical data on ETF holdings? no responses 08/07/2016
Pipeline RSI factor 1 response 08/07/2016
Stopping an algorithm should automatically cancel all open orders placed by the algo no responses 08/07/2016
Pipeline Feature Request: Percentage rank 1 response 08/07/2016
Event Study Tearsheet 27 responses 08/07/2016
Stocksplit adjustment in Quantopian data 3 responses 08/07/2016
How to create a pipeline in which the ETF is filtered? no responses 08/07/2016
How to build a customer factor of Volatility? 5 responses 08/07/2016
Upgraded to Quantopian 2 and tweaked the code a little no responses 08/07/2016
Backtesting / paper trading using low volume etfs 2 responses 08/07/2016
Contest 20 Rules Changes: $10m Capital Base, New Entry Required 18 responses 07/07/2016
Notebook kernel dies with morningstar data??? 1 response 07/07/2016
Learning SDEs in Python 7 responses 07/07/2016
InterfaceError Connection Already Closed? 3 responses 07/07/2016
Buy Down Sell Up For List Of Stocks no responses 07/07/2016
101 Trading Ideas / Silver and Gold 8 responses 07/07/2016
Zipline error 3 responses 07/07/2016
Historical Pipeline Factor Values 2 responses 07/07/2016
An interesting visualization of the kelly criterion 10 responses 07/07/2016
Contest 19: No one in the top 10 has higher returns 6 responses 06/07/2016
TA-Lib for Pipeline 11 responses 06/07/2016
The Tradeable500US is (almost) here! 64 responses 05/07/2016
Stop Multiples Question no responses 05/07/2016
VXX/XIV Pair Trade Algo 2 responses 05/07/2016
Upcoming changes to Quandl datasets in Pipeline (VIX, VXV, etc.) 6 responses 05/07/2016
Pipeline mask and current open help request 1 response 05/07/2016
Cash per Share, Debt to Equity and the Search for Free Money 27 responses 05/07/2016
Quantopian Workshop in Dallas on July 23rd no responses 05/07/2016
Quantopian Workshop in Boston on July 16th no responses 05/07/2016
data issues in Research - get_fundamentals() 1 response 05/07/2016
Momentum with Limit Orders for One Stock 3 responses 05/07/2016
Custom Filter for Stocks in a list 1 response 04/07/2016
Rob's Notebook #1 Mon 7/4/16 2:15pm no responses 04/07/2016
Fetch_CSV questions 1 response 04/07/2016
Beginner Question regarding CustomFactors 5 responses 04/07/2016
Applying Meucci’s Checklist to Portfolio Construction 13 responses 04/07/2016
A problem when migrating Quantopian 1 codes to Quantopian 2 codes for ta-lib 1 response 03/07/2016
Issue calculating EMA in opening minutes 2 responses 03/07/2016
Enabling vim mode in the IDE 4 responses 03/07/2016
Integrating Live Excel Feed Into Quantopian no responses 03/07/2016
Historic Factors 2 responses 02/07/2016
Quantopian Singapore Backtest 3 responses 02/07/2016
Problem creating sell order 1 response 02/07/2016
Missing split adjustments for LBTY_B & LBTY_K? 2 responses 01/07/2016
MACD algo can't work on IB paper trading account no responses 01/07/2016
no Daily mode, really? 3 responses 01/07/2016
Long only Need help with Screen totally stuck! 4 responses 01/07/2016
Is Quantopian looking for LTCM style algos? 12 responses 01/07/2016
Convexity of price curve - curve fitting or non-linear regression 3 responses 01/07/2016
Rejoining after long time. Lot of changes... 3 responses 01/07/2016
compensation & leverage - how does it work? 1 response 01/07/2016
Lecture 24 Ranking Universes by Factors - a few questions to ask 3 responses 01/07/2016
Anyone make a Nostradamus Bot? no responses 01/07/2016
Calculating Beta 1 response 01/07/2016
First time Poster: Initializing backtest...... 4 responses 30/06/2016
New York Workshops on July 9th and July 30th no responses 30/06/2016
Quantopian Lecture Series: Overfitting 7 responses 30/06/2016
Specify trade execution price from custom price data 1 response 30/06/2016
Well I think I made a mistake 1 response 30/06/2016
How to get RSI in 30 minutes time frame? 5 responses 29/06/2016
Pipeline Tutorial 5 responses 29/06/2016
Quantopian Lecture Series: Ranking Universes by Factors 1 response 29/06/2016
Pipeline, morningstar asset_classification 2 responses 29/06/2016
TA-Lib pattern recognition 1 response 29/06/2016
Short a list of companies with financial difficulties no responses 29/06/2016
Is anyone interested in discussing NeuralNets? no responses 29/06/2016
Live algo results not updating since y'day 4 responses 29/06/2016
zscore factor 6 responses 29/06/2016
First-Time Poster - Question About Get.History For Stat Arb 1 response 29/06/2016
Restricting pipeline universe of stocks? 1 response 29/06/2016
HELP! The truth vale of a series is ambiguous. Use a.empty, a.bool().... 1 response 29/06/2016
algo didn't trade per scheduled function? 2 responses 29/06/2016
NoFurtherDataError 2 responses 28/06/2016
Interactive Brokers Prime Brokerage no responses 28/06/2016
Anyone else having problems with morningstar customfactors? 8 responses 28/06/2016
Quantopian Workshop in Singapore on 2nd of July no responses 28/06/2016
Pairs trading and other new perosn question no responses 28/06/2016
Error while plotting AAPL returns data 1 response 28/06/2016
Historical Fundamental Data 1 response 27/06/2016
Wrong error: "Maximum Algorithms Submitted" 3 responses 27/06/2016
Range bars and OnBarUpdateEvent no responses 27/06/2016
Sample with initial stop loss that then converts to a trailing stop loss after certain point 2 responses 27/06/2016
exit after n-days? 4 responses 27/06/2016
S&P 500 Algo 1 response 27/06/2016
order_target(stock, 0.0) isn't selling shares 2 responses 27/06/2016
Custom Commission no responses 26/06/2016
History Function with a Timeframe Delay 1 response 26/06/2016
Simple All Weather Portfolio by Ray Dalio 32 responses 25/06/2016
Important Message no responses 25/06/2016
Help with top % gainers 2 responses 25/06/2016
Sydney Workshop Thread 6 responses 25/06/2016
How to get the list of IPOs? 2 responses 25/06/2016
PyCon SG Quant Finance Workshop 10 responses 25/06/2016
System Parameter Permutation (aka parameter optimization or rerunning backtests) no responses 24/06/2016
Live trading - initialize run daily - issues 1 response 24/06/2016
Run a function immediately after initialize is complete? no responses 24/06/2016
Beta 0 strategy - Backtesting stucked 2 responses 24/06/2016
Maintenance Outage on Sunday no responses 24/06/2016
Quantopian crowd-sourced but not crowd-funded? no responses 24/06/2016
150 day dividend growth model 1 response 24/06/2016
Brexit Thread 7 responses 24/06/2016
zipline tradingcalendar causing error 8 responses 24/06/2016
Got pyspark? 2 responses 23/06/2016
Percent of Volume in Backtests? no responses 23/06/2016
Help with converting data[stock].datetime 1 response 23/06/2016
context.portfolio.portfolio_value (of N days ago) 6 responses 23/06/2016
Moving Average based strategy, looking for insight! 3 responses 23/06/2016
Reorganize history into 30-minute increments 5 responses 23/06/2016
A simple Long-only Value Investing without Momentum no responses 23/06/2016
Risk Parity // All Weather Portfolio 9 responses 23/06/2016
Quandl VIX spike of 7200 on 2016-03-18 4 responses 22/06/2016
Quantopian preparing to manage external money 1 response 22/06/2016
Simplest algorithm xlp, rpg, tlt no responses 22/06/2016
longer backtest results no responses 22/06/2016
Getting historical info for data fetched from Quandl 2 responses 22/06/2016
Lanzcos filtering no responses 22/06/2016
Rogue Machine Intelligence and A New Kind of Hedge Fund 5 responses 22/06/2016
cannot live-trade algo more than once? 1 response 21/06/2016
Got bond prices? 3 responses 21/06/2016
Pipeline filter for inclusion in an index (SPY500, QQQ, etc.) 4 responses 21/06/2016
Any way to suppress "YYYY-MM-DD WARN Your order for XX shares of XYZ failed to fill by the end of day and was canceled." ? 8 responses 21/06/2016
What's Popular: The 10 Most Frequently Cloned Backtests Over the Last 2 Months 3 responses 21/06/2016
Need help for go live trade after building the model 1 response 21/06/2016
Yearly rebalance with quality and value investing 4 responses 21/06/2016
Percent Drawdown no responses 21/06/2016
Pyfolio ERROR 2 responses 21/06/2016
Training Incomplete - covers the basics well but not the actual signal generation 13 responses 21/06/2016
TypeError: get_fundamentals() got an unexpected keyword argument 'range_specifier' 1 response 21/06/2016
Feature matrix generation with future price 1 response 21/06/2016
Long XIV if con tango no responses 20/06/2016
Need help with a Pairs trading algo - bad at coding! 17 responses 20/06/2016
Successful Algorithm: 50% return 1 year, needs migration help 3 responses 20/06/2016
Research IDE 2 responses 20/06/2016
looking to team up with quant 2 responses 20/06/2016
How to access stock prices post sell 1 response 20/06/2016
Question on history and moving averages no responses 20/06/2016
How is 10% fair? 2 responses 20/06/2016
How to improve this fairly simple Bollinger Band Implemenation? 1 response 19/06/2016
A complete newbie asks a question on how to find the minutely tab. 2 responses 18/06/2016
Trying to pass data.history to talib.macd, is that wrong? 1 response 18/06/2016
article - SEC approves IEX as exchange no responses 18/06/2016
access to specific Tweeter tweets no responses 18/06/2016
many intermittent crashes/errors when running backtests 10 responses 18/06/2016
No Trade in Backtest - Help 14 responses 17/06/2016
Research Env - Zipline symbols() Error - 'NoneType' object has no attribute 'symbols' 2 responses 17/06/2016
Sector Filter Template no responses 17/06/2016
Code Development Project no responses 17/06/2016
State of trend following 1 response 17/06/2016
Problem resolved no responses 17/06/2016
Can Tearsheet be use with use with google docs 1 response 17/06/2016
Help? Seeking resource for historic minute level candles? no responses 16/06/2016
Help with creating a 30-minute chart strategy for the RSI 1 response 16/06/2016
Getting started 1 response 16/06/2016
Having trouble getting started 9 responses 16/06/2016
how to run an ADF test to a multiple time series on python ? no responses 16/06/2016
Fundamentals fundamentally broken 17 responses 16/06/2016
Anyone else willing to share their longer term backtests? 46 responses 16/06/2016
Shorting 20 responses 16/06/2016
Pipeline Classifiers are Here! 18 responses 15/06/2016
Combining Data Sources for Alpha Resolution no responses 15/06/2016
np.linalg.lstsq , Error: DLASCL parameter number 4 had an illegal value no responses 15/06/2016
Algorithm trading most shorted and least shorted stocks. 1 response 15/06/2016
Buy Yom Kippur, Sell Passover (Best 6 Months Strategy) 1 response 15/06/2016
CEO Change + Sentiment Signal 5 responses 15/06/2016
Stock Periodicity: Best Fit Sine Wave no responses 15/06/2016
The Simplest Algorithm 17 responses 15/06/2016
Plug and Play Algorithm Builder? 1 response 15/06/2016
Quantopian tutorial algorithm gives MemeoryError no responses 15/06/2016
Japanese market algo to be fixed 1 response 14/06/2016
To sell or not to sell in moving averages-pe ratio algorithm no responses 14/06/2016
bitcoin trading no responses 14/06/2016
whether there is any trading algo that gives idealistic returns in every situation also can anybody tell me about using ai with stock trading? 10 responses 14/06/2016
Trouble closing out all position with 1Million no responses 14/06/2016
newbie ordering questions 4 responses 14/06/2016
Earliest date for fundamental data? no responses 14/06/2016
Quantopian Lecture Series: Introduction to Research 5 responses 13/06/2016
Trying to understand data.history with regard to EMA calculations 3 responses 13/06/2016
SimpleMovingAverage Cross Help 5 responses 13/06/2016
Can't subclass zipline.finance.commission.PerShare 2 responses 13/06/2016
Faster history building ? 4 responses 13/06/2016
What do the rank() and mean(axis=1) mean by DataFrame? no responses 13/06/2016
How to filter out the stocks from a sector in building customer factor? 13 responses 13/06/2016
Getting order time 2 responses 13/06/2016
Hey Everyone - I wanna learn. Yes, I'm serious. 7 responses 13/06/2016
Algo won't start? 2 responses 13/06/2016
Creating a New Factor in a Pipeline no responses 12/06/2016
Fundamental Backests and the Pipeline 1 response 12/06/2016
Have a strategy but no knowledge of programming no responses 12/06/2016
Short volume, short interest as trading signals no responses 12/06/2016
Hedging against fluctuating exchange rates no responses 12/06/2016
Why GOOG_L? no responses 12/06/2016
What methods do you know of to combine multiple signals? 1 response 12/06/2016
Strategies to order varieties of shares with tight stop losses and taking advantage of Robinhood's 0$ commission? no responses 12/06/2016
Learning resources 4 responses 12/06/2016
(Partial) implementation of Quantitative Value algorithm 28 responses 11/06/2016
Why the pe_ratio are different by using the cusotmer fundamendal factor and by get_fundamenal()? 2 responses 11/06/2016
My Trading Algorithm requires real time options chain data 2 responses 11/06/2016
Filter pipeline based on first trading date 1 response 11/06/2016
Research Key Error when Analyzing Algo with Backtest ID no responses 10/06/2016
Disregard- or delete this post please no responses 10/06/2016
Forecasting Stock Returns With Big Data and Machine Learning 3 responses 10/06/2016
Formula That Killed Wall Street 6 responses 10/06/2016
It must be Eagleman 1 response 10/06/2016
Logitbot: Using Big Data and Machine Learning to Forecast stock Returns 15 responses 10/06/2016
Database Management no responses 10/06/2016
Help for a newby (mean reversion) 7 responses 10/06/2016
Datasource request: Commitment of traders 4 responses 10/06/2016
How to use probability distribution for trading ? new to quantitative based trading , kind guidance needed no responses 10/06/2016
A question about building customer fundamental factor 3 responses 10/06/2016
Don't know how to code, but curious about testing 4 indicators no responses 09/06/2016
price discrepancy no responses 09/06/2016
Filter on boolean 3 responses 09/06/2016
Chrome hides top of page when inspecting at breakpoint no responses 09/06/2016
JAVolS: Just Another Volatility Strategy... 125 responses 09/06/2016
Quantopian Open. Are You forgot about it? 8 responses 09/06/2016
Contest correlation badge 2 responses 09/06/2016
Anyone done this before? Need help! no responses 09/06/2016
[Feature Request] Add notes to backtests no responses 08/06/2016
Algorithm Help 2 responses 08/06/2016
Help with buying stocks 4 responses 08/06/2016
A question to calculating the 'market cap' in Lecture:Fundamental Factor Models 3 responses 08/06/2016
mean reversion 8 responses 08/06/2016
Need help to understand series() no responses 08/06/2016
Why I can't use the "import pandas.io.data as web"? 1 response 08/06/2016
SPY / TLT minimum variance optimization 1 response 08/06/2016
Pipeline Help with Recreating ETF no responses 08/06/2016
Volatility 7 responses 07/06/2016
short selling and cash management no responses 07/06/2016
Can I use a web service? no responses 07/06/2016
TA-LIB - Some Pattern Recognition functions don't work correctly no responses 07/06/2016
Is it possible to backtest using non US based equities and ETFs? 1 response 07/06/2016
Quantopian Lecture Series: Long/Short Traditional Value Case Study 1 response 07/06/2016
Feedback Request: Moving Average Crossover with Trailing Stop 5 responses 07/06/2016
Sentdex's Quantopian Tutorials Updated (by me) for Quantopian 2: Algorithm 4 Videos 14-17 no responses 07/06/2016
Backtesting Long/Short Market Neutral Z-Score Strategy with Custom Factors and Custom Stock Universe 2 responses 07/06/2016
Converting to new Data (Old formula depreciated) help please! 4 responses 07/06/2016
How to filter out the foreign company securities? 2 responses 07/06/2016
Limits to fundamental data on Notebook? no responses 06/06/2016
Sentdex's Quantopian Tutorials Updated (by me) for Quantopian 2: Algorithm 3 Videos 8-11 no responses 06/06/2016
Is there a way to prevent orders from being cancelled at the end of the day? 3 responses 06/06/2016
Bug copying a simple algo from IDE to Research, running 1 minute data no responses 06/06/2016
Dividend Adjustment potential Issue no responses 06/06/2016
Wrong Sharpe Ratio calculation in backtests no responses 06/06/2016
Using data.history in initialize 3 responses 06/06/2016
How to account for live trading cash transfer? no responses 06/06/2016
Moving Average Crossover Rolling Optimization no responses 06/06/2016
Ta-Lib Anaconda problems with importing. no responses 05/06/2016
Pipeline Help 8 responses 05/06/2016
Interactive Brokers Market Data on Quantopain ? no responses 05/06/2016
Resampling question no responses 05/06/2016
The Importance of the Gold:Silver Ratio 3 responses 05/06/2016
My first test program, XIV 7 responses 05/06/2016
Is USEquityPricing dividend-adjusted, split-adjusted? no responses 05/06/2016
Sell by specified dates.. no responses 05/06/2016
Bug - missing split price adjustment. 13 responses 05/06/2016
Getting Pipeline to Work With MorningStar earnings_ratios 2 responses 04/06/2016
help with deprecated warnings while selling insurance against a crash 1 response 04/06/2016
Is it possible to check the delayed correlation relationship between different stock markets (e.g. NASDAQ V.S. TWSE)? 1 response 04/06/2016
Using the backtest analyis notebook for an assignment at UNI 2 responses 03/06/2016
Predicting Price Movements via Regimes and Machine Learning 6 responses 03/06/2016
Looking for an experienced and talented programmer to partner with to code up a manual trading system that has been 80% successful for large moves 4 responses 03/06/2016
Sentdex's Quantopian Tutorials Updated (by me) for Quantopian 2: Algorithm 2 Videos 4-7 6 responses 03/06/2016
bug? ordering RGI 9 responses 03/06/2016
Pass Training Data from MySQL table as Tuples in Python Variable no responses 03/06/2016
Accessing aws s3 1 response 03/06/2016
Multiple Pairs Trading Strategy 6 responses 03/06/2016
Web Scraper for Live Trading Algorithm Performance 1 response 03/06/2016
Trouble making a program that buys an equal amount of two etfs 7 responses 03/06/2016
I am confused how to use Quantopian and Zipline 4 responses 02/06/2016
Quantopian Lecture Series: Integration, Cointegration, and Stationarity 4 responses 02/06/2016
Sentdex's Quantopian Tutorial Updated (by me) for Quantopian 2: Algorithm 1 Videos 1-3 5 responses 02/06/2016
Why Hedge? 4 responses 02/06/2016
Quantopian research - Bactesting with local data no responses 02/06/2016
30-minutes bars trading strategy 1 response 02/06/2016
unexpected date time behavior 2 responses 02/06/2016
How to use Earnings Announcements in your strategies 31 responses 01/06/2016
IB relative order not triggered 5 responses 01/06/2016
Is minutely bid/ask price/volume data available? If not, will it be available in the future? no responses 01/06/2016
Working with Calendar Days vs Trading Days? 1 response 01/06/2016
There seems to be a bug 3 responses 01/06/2016
Pandas Help 3 responses 01/06/2016
Google Tensorflow Package addition 17 responses 31/05/2016
Pulling daily VIX index values 1 response 31/05/2016
Volume data difference between Q and IB no responses 31/05/2016
Missing morningstar fundamentals? Work-around? 2 responses 31/05/2016
How to pass assign optimized weights to a pipeline object? no responses 31/05/2016
get_fundamentals help in backtester 1 response 30/05/2016
Accessing data object, sid function, and more within an IPython notebook? 1 response 30/05/2016
Capturing NBB and NBO with IB paper trading 2 responses 30/05/2016
Fundamentals data in research (notebook) does not remotely match company 10K/Qs available online 5 responses 30/05/2016
Determine the Return of a Particular Stock no responses 30/05/2016
Splitting columns in multiple-output factors no responses 30/05/2016
Do I need to filter for publically traded stocks on Robinhood? no responses 30/05/2016
Timing Code 1 response 30/05/2016
Notebook to test a portfolio of algorithms 7 responses 30/05/2016
Debugger Issue: is the namespace restricted in the debugger? 4 responses 30/05/2016
custom factors and screening with pipe.set_screen() 1 response 29/05/2016
Setting trading limits no responses 29/05/2016
Gold Long Short 7 responses 29/05/2016
Plot candlesticks in research environment no responses 29/05/2016
Stat.Arb : Need help with understanding and developing no responses 29/05/2016
Has anyone had success using a genetic trading algorithm 2 responses 29/05/2016
Can't change backtest data frequency. 5 responses 29/05/2016
Setting Order Limits no responses 29/05/2016
Strange undefined errors around some tickers no responses 28/05/2016
Sector ETF with OLMAR 1 response 28/05/2016
First Algorithm - Using Pipeline - How do I create an order? 3 responses 28/05/2016
Beginner needs help! 1 response 28/05/2016
Pairs Trading algorithm no responses 27/05/2016
Random Forest algorithm no responses 27/05/2016
Signal Processing algorithm 1 response 27/05/2016
New Correlation and Linear Regression Factors 21 responses 27/05/2016
Simple ML algo 4 responses 27/05/2016
Am I crazy or is the only tutorial available the "Getting Started" one? 4 responses 27/05/2016
Bug Fix: Commission Implementation 7 responses 27/05/2016
How to reduce the max-drawdown? 2 responses 27/05/2016
Four wide market? no responses 27/05/2016
Coding Strategey no responses 26/05/2016
Can I use Bloomberg data in Quantopian via the Bloomberg API? 4 responses 26/05/2016
IB paper trading 2 responses 26/05/2016
Regarding slippage 8 responses 26/05/2016
Check if there is an open order before order is placed if not ignore 4 responses 26/05/2016
"Chimp" algorithm: 100 randomly selected S&P 500 stocks, equal-weight, buy and hold forever 9 responses 26/05/2016
momentum 2015-may2016 no responses 25/05/2016
Mixing quality, value, and momentum factors 4 responses 25/05/2016
How can I "extract" a single value from a pandas series? no responses 25/05/2016
Price of filled order when using LimitOrder no responses 25/05/2016
'Gap and go' intraday - Hi, does somebody implemented this strategy? 1 response 25/05/2016
the order book 3 responses 25/05/2016
Shares Outstanding for ETF 2 responses 25/05/2016
Random_Forest_Sandipayan no responses 24/05/2016
Include call to external code or upload executable 2 responses 24/05/2016
data.fetcher_assets doesn't work 3 responses 24/05/2016
Array being zeroed out, looking for help determining why no responses 24/05/2016
Can I download the results of a full backtest? 3 responses 24/05/2016
Problem with closing prices 3 responses 24/05/2016
data.fetcher_assets issue 13 responses 24/05/2016
Bug in running minute backtest in research? no responses 24/05/2016
Pipeline set_screen by sid? 8 responses 24/05/2016
Pair_Trading_Sandipayan 2 responses 24/05/2016
Signal Processing 3 responses 24/05/2016
All orders fail to fill 3 responses 23/05/2016
3x ETFs During Market Drops - SPXL/TMF Rebalance Strat no responses 23/05/2016
Backtest data ill-adjusted, is this a bug? 3 responses 23/05/2016
Daily historical portfolio returns as a signal 1 response 23/05/2016
Trying to figure out Buy Stop orders - are they supported? 1 response 23/05/2016
Simple MA Crossover Algorithm no responses 23/05/2016
Calculating the highest and lowest price of the holding period no responses 23/05/2016
Pipeline - Bollinger Bands CustomFactor using TA-Lib or Manually Calculated? 1 response 22/05/2016
Reasonability of 2-year beta test no responses 22/05/2016
ODSC Workshop Post no responses 22/05/2016
Moving average displace? no responses 22/05/2016
Estimize data question 1 response 22/05/2016
Portfolio Management with Quantopian 1 response 21/05/2016
How to get last week's data 6 responses 21/05/2016
Help with MACD 3 responses 21/05/2016
Help importing data (interest rates) 1 response 21/05/2016
SMA for 15 minute bars 5 responses 21/05/2016
Calculation of correlation in pipeline 4 responses 21/05/2016
How often does Portfolio.positions update? no responses 21/05/2016
Best way to implement RSI without using talib 2 responses 21/05/2016
High Low Daily data wrong ?! 4 responses 20/05/2016
Migration from quantopian 1 to quantopian 2 help 7 responses 20/05/2016
Need Quantopian freelancer. no responses 20/05/2016
Updating pipeline every minute using handle_data 4 responses 20/05/2016
Now we have Quantopian 2, but the document is not up-to-date! no responses 20/05/2016
Pipeline Custom Factor Volume 1 response 20/05/2016
status for portfolio positions no responses 20/05/2016
Intraday Trading ETF's Robinhood instant 2 responses 19/05/2016
Quantopian Lecture Series: Updated Beta Hedging Notebook no responses 19/05/2016
Contest 11 Winner: Kevin Quilliam no responses 19/05/2016
Pipeline Trading Universe - Best Practice 15 responses 19/05/2016
Fundamental Factor Model: Framework ? 1 response 19/05/2016
Contest 10 Winner: Taylor Smith 2 responses 19/05/2016
useful community functions? no responses 19/05/2016
Getting Started with Quandl 2 responses 19/05/2016
Is there a way to prevent performance from being calculated while my algorithm is gathering two yrs of stats prior to first trade? 2 responses 19/05/2016
Q2 History function optimization no responses 19/05/2016
Redefinition of Unused Compute 1 response 18/05/2016
multiple filters for blaze expression? 1 response 18/05/2016
Calculating DPO 4 responses 18/05/2016
Accern Alphaone long-short strategy with earnings avoidance 1 response 18/05/2016
Alpha Factor based off of News Sentiment with Accern 8 responses 18/05/2016
Long-only Trading Strategy with NLP derived Social Media Sentiment - Tear Sheet Attached 11 responses 18/05/2016
News Sentiment Pipeline Factors with Sentdex 3 responses 18/05/2016
News & Blog Sentiment Pipeline Factors with Accern 14 responses 18/05/2016
Updated earnings sentiment strategy with multiple earnings calendar sources no responses 18/05/2016
Resampling data inside pipeline no responses 18/05/2016
bad data reporting? no responses 18/05/2016
IDA Seminar no responses 18/05/2016
IDA Seminar 1 response 18/05/2016
Stock name in CustomFactor 1 response 17/05/2016
How to implement moving average of a pipeline factor? 10 responses 17/05/2016
Help Talib TSI no responses 17/05/2016
what are realistic backtest % return results? no responses 17/05/2016
An Empirical Algorithmic Evaluation of Technical Analysis 37 responses 17/05/2016
put notebooks into folders in research 1 response 17/05/2016
Strategy selecting the best end of day Sharpe ratio 4 responses 17/05/2016
IDA - Flawed ETFs 2 responses 17/05/2016
IDA - Pairs trading 4 responses 17/05/2016
Is there simple way to get historical fundamental data? no responses 17/05/2016
Ask Q: Competition weightings 8 responses 17/05/2016
fetch_csv and context 6 responses 17/05/2016
Creating an algorithm to buy, sell-short stocks based on Interactive Broker 1- or 3-minute bars 9 responses 17/05/2016
Trading right before stocks go down, and selling right before they start to go up doesn't work as I hoped 3 responses 16/05/2016
Help With Trailing Stop Implementation 3 responses 16/05/2016
USEquityPricing split adjusted close prices 2 responses 16/05/2016
How to calculate daily return? 5 responses 16/05/2016
Python Language issue/question 2 responses 16/05/2016
'Long Biggest Loser' Algorithm and Problem with 'get_open_orders(...)' 3 responses 16/05/2016
Reading Quantopian lectures without cloning? 3 responses 16/05/2016
buy an upward cross of ma, sell a downward cross 1 response 15/05/2016
Does quantopian provide industrial average fundamental data? no responses 15/05/2016
Google's TensorBoard as a Zipline dashboard 1 response 15/05/2016
At what specific time does "before_trading_start" run? 6 responses 15/05/2016
Help adapting Robinhood Instant sample algorithm to intraday 1 response 15/05/2016
Stock split and Warnings. 15 responses 15/05/2016
May 14th Hackathon Submission 1 response 14/05/2016
May 14th Quantopian Hackathon Rules, Guidelines, and Materials 5 responses 14/05/2016
String Columns Now Available in Pipeline 5 responses 13/05/2016
Implementing the Three Arrows algorithm. MA, MACD and Stochastic no responses 13/05/2016
Help Getting Started no responses 13/05/2016
Estimize Whitepaper strategy no responses 13/05/2016
How do I get prices for fundamental data sids in Research? 1 response 13/05/2016
Duplicate Orders on 4 May 2016 for CMG stock only 1 response 13/05/2016
Is there any way to do expensive computations? 4 responses 13/05/2016
New to Quantopian. Need comment on simple XIV/TLT Strategy 3 responses 13/05/2016
unable to start any back tests 2 responses 12/05/2016
Rookie error - selling 3 responses 12/05/2016
help understanding current 'open', 'high', 'low', and 'close' 3 responses 12/05/2016
Prado Hierarchical Capital Allocation no responses 12/05/2016
New Feature: Multiple Output Pipeline Custom Factors 9 responses 12/05/2016
Custom factor TAlib array problems 1 response 12/05/2016
Catastrophic Failure(~150% drawdown) on mean-reversion algo 11 responses 12/05/2016
Where do I start. 3 responses 12/05/2016
Doing pipeline calculations only on a number of stocks/assets 7 responses 12/05/2016
Archimedean no responses 12/05/2016
Investing on Quantopian 4 responses 12/05/2016
Short volume, short interest as trading signals no responses 12/05/2016
How should I structure my csv file to simply upload a list of tickers that I want to trade? no responses 12/05/2016
What happened to the backtest in Q2? 7 responses 11/05/2016
How to refresh the portfolio right after buy or sell stock? no responses 11/05/2016
Fetch_csv question, why can't I access the new signal after fetch_csv? 2 responses 11/05/2016
Platform for developing both Python and CPython no responses 11/05/2016
get_fundamentals() on first trading day of the quarter (pls help!) 1 response 11/05/2016
How Gain is Calculated no responses 10/05/2016
Combining and Ranking Documentation Question 6 responses 10/05/2016
Top Volume within a Price Range 3 responses 10/05/2016
Stochastic long-term strategy no responses 10/05/2016
How to get current data's datetime using Quantopian 2 API 4 responses 10/05/2016
Historical Averages for Custom Fundamental Metrics 1 response 10/05/2016
Is it possible to set exclude day in date_rule? 2 responses 10/05/2016
Pricing securities based on their industries no responses 10/05/2016
9000+ Securities Momentum based strategy - 1 mo holding period no responses 10/05/2016
Way of printing the close price of a candlestick? no responses 09/05/2016
What is 'Current Price' for a specific day no responses 09/05/2016
Is it possible to get the historical PE of S&P and DOWs etc.? 1 response 09/05/2016
SIDs for futures trading quantopian 2 2 responses 09/05/2016
Unable to replicate daily mode signal in minute mode 1 response 08/05/2016
Quantopian open. Stability Factor. How to fix it. 5 responses 08/05/2016
Book data, Bar data and Q2 default slippage model. no responses 08/05/2016
Last minute bars are not avalable in data.history 1 response 08/05/2016
does anyone know how to put a trail stop on each position? no responses 08/05/2016
how do i create and append to an array? (i cant figure out the scipy page) 1 response 08/05/2016
Backtest getting better fills at higher initial capital 7 responses 08/05/2016
API to access risk free rate (e.g. 10 year treasury rate) 4 responses 08/05/2016
Confusion about how to get minute data 2 responses 08/05/2016
feature request: allow time range in history request. 4 responses 08/05/2016
Store a property or variable in memory? 2 responses 08/05/2016
add_history bug in research environment 15 responses 07/05/2016
Creating a trading strategy on 3 Minute data, 30-Minute and 180 Minute data no responses 07/05/2016
std of a list 4 responses 07/05/2016
Q paper - All that Glitters Is Not Gold: Comparing Backtest and Out-of-Sample Performance on a Large Cohort of Trading Algorithms 76 responses 07/05/2016
How to determine fist trading date of the month (pls help!) 1 response 07/05/2016
schedule_function at Quarter Start 1 response 07/05/2016
Asset Allocation portfolio! no responses 07/05/2016
FUNDAMENTALS - KEY ERROR 0 no responses 07/05/2016
Cloned an old algo, trying to migrate it no responses 06/05/2016
Kalman Filters Best Practices 34 responses 06/05/2016
technical questions regarding loading of data and ram limit on backtests. 13 responses 06/05/2016
Iterating over a list of securities, having trouble with sid(id) 1 response 06/05/2016
Quantopian Lecture Series DRAFT: Hypothesis Testing no responses 06/05/2016
Feature request: allow adding note to backtest 6 responses 06/05/2016
[deleted] no responses 06/05/2016
Pyfolio tear sheet - Expectancy Cone projection no responses 06/05/2016
CFD 4 responses 06/05/2016
hmmlearn package 3 responses 06/05/2016
NaN values in stock data 2 responses 06/05/2016
[deleted] 1 response 06/05/2016
Masking Pipeline Factors - New Feature! 6 responses 05/05/2016
Enhancement Requests no responses 05/05/2016
Need help with creating a EMA crossover algorithm no responses 05/05/2016
handle_data(context, data) to fetch hourly data.... 8 responses 04/05/2016
Creating a new strategy with pipeline factors [QuantCon presentation] 10 responses 04/05/2016
Fetch_csv doesn't work for my file (no Date column) - any alternatives? no responses 04/05/2016
Error with talib 1 response 04/05/2016
Sydney Quantopian Workshop on June 18th no responses 04/05/2016
Bug Specifics 3 responses 04/05/2016
understanding the slippage model 2 responses 04/05/2016
How To Buy on specific time of day.? 9 responses 04/05/2016
Quantopian 2 :( Help!!! 2 responses 04/05/2016
Help getting print list of stocks that were queried by get_fundamentals 1 response 04/05/2016
Possible recurring bug in backtest. 20% loss. 4 responses 03/05/2016
Fetch program not working for paper trading - help please! 5 responses 03/05/2016
Problems with new fetcher and lack of universe in quantopian 2.0 no responses 03/05/2016
content no responses 03/05/2016
Using multiple fundamental screens in notebook no responses 03/05/2016
Can I backtest my own CSV symbols? 6 responses 03/05/2016
How to pipeline your current positions? 1 response 03/05/2016
Master thesis ideas 5 responses 03/05/2016
18.5 returns 1 response 03/05/2016
Using CustomFactors in CustomFactors and passing in numerical values in CustomFactors 5 responses 03/05/2016
Don't know how to "record" data frame 1 response 03/05/2016
Brainstorming MACD analysis conditions and need your ideas! no responses 03/05/2016
Rotating Sector ETFs Based On 15 Day or 1 Month Performace 5 responses 03/05/2016
how to pick top N & bottom N using pipeline? 4 responses 03/05/2016
hello no responses 02/05/2016
RSI Strategy 1 response 01/05/2016
VIX trading algorithm return 150% a year over past 5 years but has 50% drawdown from 2015 meltdown 398 responses 01/05/2016
Native code to get vix and vix futures data? 7 responses 01/05/2016
What am I missing when comparing backtest data against Yahoo Finance? 3 responses 01/05/2016
Trying to tame the memory error beast. 19 responses 30/04/2016
Seeking help to write a short trading algorithm for VIX ETFs 3 responses 30/04/2016
loading static data without fetch_csv 3 responses 30/04/2016
Long short pair trading 1 response 30/04/2016
Shorting VXX based on VIX Future's contango 75 responses 30/04/2016
Converting Lists to DataFrame no responses 30/04/2016
data.can_trade ERROR 4 responses 30/04/2016
What is a factor? 1 response 29/04/2016
Algorithm tips/gotchas thread 1 response 29/04/2016
How would I go about screening stocks that have fallen 20% or more in the past day? What about 5 days? 1 response 29/04/2016
Pair Trading : Having some issue with understanding the St.Dev and Profit relationship 3 responses 29/04/2016
before_trading_start - times out in Q2 1 response 29/04/2016
Technical indicators on a big stock universe no responses 29/04/2016
Help using get_fundamentals (beginner) 1 response 29/04/2016
data.history(context.my_stock, "price", bar_count=30, frequency="1d") 1 response 29/04/2016
GTC Orders? no responses 29/04/2016
Seeking Help: Custom Factor no responses 28/04/2016
recording integers displays floats (bug?) no responses 28/04/2016
Good-Til-Canceled (GTC) Orders 4 responses 28/04/2016
Deciles and percentiles -- how to use and how to get no responses 28/04/2016
How to identify number of the days since: the highest close, second highest close, and third highest close 2 responses 28/04/2016
replicating set_universe with pipeline in Quantopian 2 2 responses 28/04/2016
Folders for Algos 8 responses 28/04/2016
Robinhood tire-kicking algo 4 responses 28/04/2016
only nasdaq exchange 5 responses 28/04/2016
Get OHLC with get_pricing no responses 27/04/2016
High Sharpe Weekly Strategy 7 responses 27/04/2016
2016 QuantCon Hackathon Winner: Luke Lee 1 response 27/04/2016
QuantCon Hackathon Guide 4 responses 27/04/2016
Using Fundamentals in the Pipeline 2 responses 27/04/2016
questions regarding Quantopian paper trading contest 1 response 27/04/2016
Nashville / Central TN Quantopian users group 1 response 27/04/2016
O'Shaughnessy's What works on Wall Street 3 responses 27/04/2016
TypeError: 'float' object has no attribute '__getitem__' no responses 27/04/2016
Help with Pyplot Figure no responses 27/04/2016
Help starting in Research 1 response 27/04/2016
Check for recent IPOs 7 responses 26/04/2016
getting historical data for date range? no responses 26/04/2016
Beginner - Trying to access historical returns of particular securities to perform OLS Regression 5 responses 26/04/2016
Contest Leaderboards not updating since Q2 cutover? no responses 26/04/2016
universe maximum limit 1 response 26/04/2016
Q2: using as is prices vs adjusted prices issue 2 responses 26/04/2016
Get VIX value of the current day in backtest 7 responses 26/04/2016
Accessing content of algo.context from algo = TradingAlgorithm(initialize=initialize, handle_data=handle_data) no responses 26/04/2016
Quantcon 2016 Videos 10 responses 26/04/2016
Day of the week affect and anomalies no responses 25/04/2016
backtest shows loss of 76% in a day. bug? 6 responses 25/04/2016
Backtest keeps running through the same day 1 response 25/04/2016
orders, fills and notifications.. no responses 25/04/2016
len(Context.portfolio.position) keeps increasing indefinitely 1 response 25/04/2016
Use data.history to extract price for certain period of time 1 response 25/04/2016
Request: Add disclaimer to backtest graphs without commissions 6 responses 25/04/2016
Quick and dirty way to find tops and bottoms of time series 7 responses 24/04/2016
o.k. to place orders in before_trading_start? 1 response 24/04/2016
Suppose you ignored any sensible advice ... 3 responses 24/04/2016
Help with pipeline 1 response 24/04/2016
Satellite imaging and credit card sales data no responses 24/04/2016
How to speed up get_fundamentals in monthly rebalancing? 1 response 24/04/2016
Problem with Splits - Need help no responses 24/04/2016
Anyone else experiencing really poor app performance with Q2? 22 responses 24/04/2016
Any way to automate backtests? (Looking for bias) 6 responses 24/04/2016
Economic hypothesis to accompany all future algos posted.. 6 responses 23/04/2016
How to test algos that use data feeds that do not go back far enough to test against a market crash? no responses 23/04/2016
How to include universe of stock in a security list no responses 23/04/2016
how to sell no responses 23/04/2016
Multi-stock Gap Trading Strategy 1 response 23/04/2016
Retrieving Data History on Current Positions 7 responses 23/04/2016
get_pricing() multiple securities 2 responses 23/04/2016
Alternative Strategy for a Moderate Portfolio 10 responses 23/04/2016
installing zipline error 3 responses 23/04/2016
Data source for CEO / board member names? 1 response 23/04/2016
Quantopian Lecture Series: Multiple Linear Regression 8 responses 22/04/2016
Q2 migration - how to handle data[stock].Metric? 2 responses 22/04/2016
When to use data.can_trade 12 responses 22/04/2016
Zipline on Quantopian 2 3 responses 22/04/2016
Robinhood - Looking for Help no responses 22/04/2016
Community Algorithms Migrated to Quantopian 2 8 responses 22/04/2016
Can you guys help me to migrate to Quantopian 2 no responses 22/04/2016
data.can_trade(assets) - when to use it? 2 responses 22/04/2016
how to schedule a function to run within before_trading_start? 6 responses 22/04/2016
Q2 - why not support starting algo at 9:30 am open? no responses 22/04/2016
Q2 memory allocation - should it be higher? no responses 22/04/2016
order_target_percent error 2 responses 22/04/2016
data object - can it be augmented? no responses 22/04/2016
before_trading_start() - what simulation date applies for adjustments? 2 responses 22/04/2016
Importation of custom/3rd party libraries no responses 22/04/2016
daily volume value, just before the close 5 responses 22/04/2016
Debug is Very Useful!, But.... 2 responses 22/04/2016
UnboundLocalError: local variable 'CFTA' referenced before assignment 2 responses 22/04/2016
Unable to fetch CSV, my_universe doesn't seem to be called 3 responses 22/04/2016
Slow Backtest 2 responses 22/04/2016
Slouching toward Quantopian 2, dragging Q1 along 4 responses 22/04/2016
memory error - 20 days of minute bars for all stocks 3 responses 21/04/2016
error when ordering all stocks no responses 21/04/2016
When will all EventVestor data be available in backtester? 6 responses 21/04/2016
Most Cloned Algos List 1 response 21/04/2016
Variables for Assets 2 responses 21/04/2016
iPad support in Quantopian 2 1 response 21/04/2016
SMA Q2 update problem 5 responses 21/04/2016
Q2 - Where does before_trading_start code belong in a daily algo? 3 responses 21/04/2016
Best way to learn Q2 (and Pipeline) 2 responses 21/04/2016
Quantopian Tutorials 36 responses 21/04/2016
Quantopian 2 partial fills 10 responses 20/04/2016
Welcome to Quantopian 2 45 responses 20/04/2016
Pretty new to Python as well as Quantopian. Is this a decent backtest? no responses 20/04/2016
Earnings Drift with Accern Data - Collaboration Request 3 responses 20/04/2016
Available Cash no responses 20/04/2016
Zipline problems with data.history 2 responses 20/04/2016
Estimate # of available stocks for short-selling no responses 20/04/2016
Difference between context and data 1 response 20/04/2016
How long will the free trading last? no responses 20/04/2016
Zero Commission Algorithmic Trading - Robinhood & Quantopian 135 responses 19/04/2016
Caculating Win/Loss Ratio no responses 19/04/2016
Best way to compare relative SMAs over time 1 response 19/04/2016
What does it mean when a order is held? 3 responses 19/04/2016
What is the sid of "CBOE Interest Rate 10 Year T Note"? (TNX) 2 responses 19/04/2016
On Pairs Trading 1 response 19/04/2016
Fetch_CSV Error With CSV File in Quandl and Google docs 2 responses 19/04/2016
Having 10 longs and 10 shorts every trading session no responses 19/04/2016
Cannot import attribute within module read_csv 2 responses 19/04/2016
How soon will QuantConn 2016 slides be posted? no responses 19/04/2016
PB Value Trading Strategy for Micro Cap Stocks no responses 19/04/2016
How can a Factor be defined to produce a DataFrame instead of a Series? 1 response 18/04/2016
schedule function dont seem to work? doesnt seem to show the correct trading time? 2 responses 18/04/2016
Extremely simple buy around payday 2 responses 18/04/2016
Pipeline and zipline no responses 18/04/2016
mean reversion - extracting factors with maximum explanatory power 1 response 18/04/2016
Interpreting Monthly Sharpe Values no responses 18/04/2016
How to get the historical fundamental datas? 6 responses 18/04/2016
Calling stocks from pipeline output 9 responses 17/04/2016
Princeton Quant Trading Conference Workshop 10 responses 17/04/2016
Duplicate orders via order_target and order_target_percent 1 response 17/04/2016
delete no responses 17/04/2016
research - The kernel appears to have died. It will restart automatically. 2 responses 17/04/2016
"Something Went Wrong" while trying to deploy live algorithm 4 responses 17/04/2016
Long-Term Momentum Strategy Using Smoothed RSI 10 responses 17/04/2016
Shout-out and thanks to Quantopian Community! 1 response 16/04/2016
Using Quantopian with Fetched Forex data no responses 16/04/2016
Box M test to compare covariance matrices across time 2 responses 16/04/2016
PE Ratio Difference For Stock Pair Selection for Co-integration Trading no responses 16/04/2016
First test- get price,moving average then plot no responses 16/04/2016
If I have a "running" algorithm and I make a change, what happens? no responses 16/04/2016
Realistic Return Rates and Back-Test Numbers 9 responses 16/04/2016
Benzinga earnings data 2 responses 15/04/2016
Data set request: NYSE margin debt and insider holdings no responses 15/04/2016
Limitations to history no responses 15/04/2016
When going live through IB account, get_environment('arena') returns 'live' instead of 'IB' 1 response 15/04/2016
Very slow fundamental access with pipeline 1 response 15/04/2016
Yesterday's Top Gainers - Requesting Help no responses 15/04/2016
Trouble retrieving factors from stored pipeline output no responses 15/04/2016
Getting the Leaderboard score 1 response 14/04/2016
How to tell the cash effect of a transaction? no responses 14/04/2016
Missing entry after contest 10, 11 1 response 14/04/2016
Matt's Breadth Indicator 2 responses 14/04/2016
Is this another way to handle Robinhood's 3 day rule for cash settlement? 3 responses 14/04/2016
Micromanage Pair Trading Algorithm 1 response 14/04/2016
Broker equivocation no responses 14/04/2016
research platform down? no responses 14/04/2016
Certain MorningStar Fundamentals not available in pipeline 1 response 14/04/2016
Seeking help on a simple ROC strategy no responses 14/04/2016
Help referencing a security return at a previous time point no responses 14/04/2016
Dollar Neutral Long/Short Strategy no responses 14/04/2016
Strategies using risk factors 3 responses 14/04/2016
ETF that follow similar patterns to XIV, EDV and TMF 1 response 13/04/2016
using Pipeline on predefined list of stocks no responses 13/04/2016
schedule_function() does not run no responses 13/04/2016
Designing a multi-strategy portfolio in Zipline for Quantopian 4 responses 13/04/2016
Bizarre algo behaviour only two times in a 14 year backtest 9 responses 13/04/2016
Passing minute pricing in for loop 1 response 13/04/2016
Conditional Sorting 3 responses 13/04/2016
Automatically exporting Zipline code (multiple files) to Quantopian-compatible code 8 responses 13/04/2016
Filtering universe using Beta calculation 1 response 12/04/2016
Different backtest results with different starting cash 2 responses 12/04/2016
Is there a way to re-run your Pipeline and update_universe during the trading day (i.e. outside of before_trading_start)? no responses 12/04/2016
How to optimize Mean Reversion Strategies? no responses 12/04/2016
Updating the universe minute by minute no responses 12/04/2016
External Signals 3 responses 12/04/2016
In Sample vs. Out of Sample in Pyfolio no responses 12/04/2016
Error when creating a Classifier from profitability_grade 1 response 12/04/2016
Referring to price data at specific times 2 responses 12/04/2016
mean reversion 1 response 12/04/2016
Importing data set into backtester? no responses 12/04/2016
New to Quantopian - help with using two data frames to determine buy / sell orders 5 responses 12/04/2016
Python 101 DataFrame question. 1 response 12/04/2016
How to get the day of week for an item returned from history. 1 response 12/04/2016
Why doesn't this work? no responses 11/04/2016
Getting top 10% of traded stocks 2 responses 11/04/2016
buy/sell order volume algorithm no responses 11/04/2016
I have found the history price isn't accuracy no responses 11/04/2016
buy Fri sell Mon 2 responses 11/04/2016
Historic fundamentals 2 responses 11/04/2016
Pyfolio Leverage - Simple Question 2 responses 11/04/2016
Need help with update_universe 5 responses 10/04/2016
NYC Advanced Workshop 5 responses 10/04/2016
Live Trading: counter-trades 3 responses 10/04/2016
Pipeline Filtering Example no responses 10/04/2016
Long-Term S&P index Investing Question 8 responses 10/04/2016
Pipeline CustomFactor datetime indexed data no responses 10/04/2016
Optimizer 1 response 10/04/2016
F-Squared from 2002 no responses 10/04/2016
For those that attended quantcon or watched online 1 response 10/04/2016
Using price and moving average to execute every 3% gain on initial position - long short... momentum... or is it mean reversion... lol 4 responses 10/04/2016
Statistical risk factors beta exposure zero strategy 4 responses 10/04/2016
Take Quantopian 2 for a Test Drive 49 responses 09/04/2016
custom pipeline factor with window_length > 1? 3 responses 09/04/2016
Minute based RSI calculation 1 response 09/04/2016
Sector Momentum Stratergy 2 responses 08/04/2016
Debugging: "inputs are all NaN" randomly occurring 1 response 08/04/2016
Chart Patterns 4 responses 08/04/2016
No backtest results 2 responses 08/04/2016
Please delete this post no responses 08/04/2016
How do I calculate the moving average from yesterday 2 responses 08/04/2016
pipeline tutorial? 5 responses 08/04/2016
Example implementation of Bollinger Bands 1 response 08/04/2016
Custom rebalance using date_rules 3 responses 08/04/2016
Target algorithm results no responses 08/04/2016
Rebalance quarterly, monthly 5 responses 08/04/2016
Using pipeline to select securities based on today's price no responses 08/04/2016
Is there a more detailed documentation? no responses 08/04/2016
Are orders executed asynchronously? no responses 08/04/2016
Issues with Algo Logic? 1 response 07/04/2016
How to find buy and sell order volumes for a given stock 2 responses 07/04/2016
losing all funds immediately in backtest 5 responses 07/04/2016
What is wrong? 7 responses 07/04/2016
Seeking Help no responses 07/04/2016
Execution of moving average slope idea 2 responses 07/04/2016
schedule update_universe? 12 responses 07/04/2016
How is max Drawdown calculated in Quantopian? no responses 07/04/2016
Question regarding stop orders on paper trading no responses 06/04/2016
Newbie: Learning Timing with Limits no responses 06/04/2016
Pipeline: Long/Short Cross-Sectional Template 16 responses 06/04/2016
Quantopian Lecture Series: Position Concentration Risk 3 responses 06/04/2016
Quantopian Lecture Series: Skewness and Kurtosis no responses 06/04/2016
Quantopian Lecture Series: Long-Short Equity Strategies 3 responses 06/04/2016
Quantopian Lecture Series: ARCH, GARCH, and GMM 26 responses 06/04/2016
Quantopian Lecture Series: Maximum Likelihood Estimation 1 response 06/04/2016
Quantopian Lecture Series: Fundamental Factor Models 1 response 06/04/2016
Quantopian Lecture Series: Factor Risk Exposure no responses 06/04/2016
Quantopian Lecture Series: Arbitrage Pricing Theory 2 responses 06/04/2016
Quantopian Lecture Series: Kalman Filters 39 responses 06/04/2016
Quantopian Lecture Series: Instability of Regression Coefficients 2 responses 06/04/2016
Quantopian Lecture Series: Violation of Regression Model Assumptions 1 response 06/04/2016
Quantopian Lecture Series: This Time You're More Wrong 26 responses 06/04/2016
Quantopian Lecture Series: You Don't Know How Wrong You Are 5 responses 06/04/2016
Updated Pairs Trading Lecture: Now With Less Wind Resistance 4 responses 06/04/2016
Quantopian Lecture Series: Updated Spearman Rank Correlation Notebook no responses 06/04/2016
Quantopian Lecture Series: The Good, the Bad, and the Correlated 23 responses 06/04/2016
New variable at different points in time no responses 06/04/2016
set_commission, set_slippage 5 responses 06/04/2016
Using an orderbook algo to analyse a trade log like collective2 VIX DayTrader 2 responses 06/04/2016
Robinhood Trading: EMAs, SMAs and beyond no responses 06/04/2016
Comments on Backtests 2 responses 06/04/2016
Cancelling Orders Error Or Misuse no responses 05/04/2016
Sample backtesting no responses 05/04/2016
How could I get the sum of market_cap based on country? no responses 05/04/2016
How Can I Implement a ETF Strategy Using Sharpe & Pipeline? 4 responses 05/04/2016
Using multiple symbols no responses 05/04/2016
Seeking help for trading in Robinhood Instant Account 1 response 05/04/2016
Question on Leverage: Does Quantopian Engine account for the cost of borrowing money (interest rate) when leveraging ? 2 responses 05/04/2016
group_by Function no responses 05/04/2016
Record just a single point? no responses 05/04/2016
Volume Limited Orders 1 response 04/04/2016
Long Term Investment Algorithm 1 response 04/04/2016
Rolling Correlation no responses 04/04/2016
Bootstrapping 6 responses 04/04/2016
Backtesting - forward vs backward 4 responses 04/04/2016
Who's Live Trading and How Are You Doing? 5 responses 04/04/2016
module request scipy.sparse.linalg.eigs no responses 04/04/2016
Limit Order Error 1 response 04/04/2016
SIRI and ENDP missing morningstar fundamentals no responses 03/04/2016
skip x number of data no responses 03/04/2016
Identifying statistical mis-pricing 3 responses 03/04/2016
Some QQQ dividends missing 3 responses 03/04/2016
Simple Stocks, Bond, Gold reblance strategy with low drawdown 1 response 03/04/2016
long-short mean reversion attempt 5 responses 02/04/2016
No data for GOOG 2014-03-14 to 2014-03-26 1 response 02/04/2016
Detect new fundamentals in Research 4 responses 02/04/2016
error - pd.set_option('mode.use_inf_as_null',True) no responses 02/04/2016
long vs short position 3 responses 02/04/2016
Get Fundamentals in Research Returns 500 INTERNAL SERVER ERROR 3 responses 01/04/2016
Price data errors in RSX no responses 01/04/2016
Available Cash no responses 01/04/2016
Getting different Sharpe ratio values from backtest and research tear sheet. no responses 01/04/2016
Pipeline API Feature Request: retrive single data points instead of a full array of data (window_length) 1 response 01/04/2016
Swaption Vol Cube Arbitrage 2 responses 01/04/2016
Comparing today's factor results versus previous days' factor results no responses 01/04/2016
is slippage a silly idea? 11 responses 01/04/2016
Day vs Minute Backtest Results 2 responses 01/04/2016
Bad morningstar.valuation.shares_outstanding value for HQCL 2 responses 01/04/2016
Code security question 2 responses 01/04/2016
Algo developers 2 responses 01/04/2016
Anyone here... interested in Forex? and how to use fetcher and its file size limitations. no responses 31/03/2016
Coding a custom indicator (RSI-EMA) 16 responses 31/03/2016
Quick backtest scheduled function times seem wrong 1 response 31/03/2016
buy or sell on after x no. of days no responses 30/03/2016
where to get free or cheap survivor bias free data? 4 responses 30/03/2016
Can I setup a new stock using my own local data and do backtesting ? no responses 30/03/2016
Event Study: The Rising Impact Of Earnings On Stock Returns 2 responses 30/03/2016
Trading Live With IB second by second 1 response 30/03/2016
Am I understanding this correctly? no responses 30/03/2016
Significant 1-Minute Backtester Data Issue 10 responses 30/03/2016
python code for point&Figure charting /Rules 1 response 30/03/2016
How to incoporate algorithms for backtesting no responses 29/03/2016
Explain meaning of first demo backtest no responses 29/03/2016
Position Object Questions 8 responses 29/03/2016
Best custom benchmark to use for market-neutral strategies? 1 response 28/03/2016
Index/Sector ETF MA Crossover 1 response 28/03/2016
time series of factor exposures - please help 1 response 28/03/2016
Looking for a programmer to code a strategy no responses 28/03/2016
Window Lengths 1 response 27/03/2016
Holding Period no responses 27/03/2016
Context, Data and Dataframes (and help. please. pretty please) 1 response 26/03/2016
Winning Percentage no responses 26/03/2016
Indian Market data- Backtesting no responses 26/03/2016
overnight processing of large data sets 2 responses 26/03/2016
Buying at a certain time each month no responses 26/03/2016
This is charles-demo no responses 25/03/2016
access to Research page no responses 25/03/2016
cancel partially filled order at the end of day no responses 25/03/2016
pyfolio create_full_tear_sheet problem in research 1 response 25/03/2016
Help converting Pine (TradingView) & ThinkOrSwim Language code into strategy no responses 25/03/2016
Back test Probelm no responses 25/03/2016
Is there any way to check FDA filings/approvals at the moment? 1 response 25/03/2016
Crossover Function no responses 25/03/2016
Using Bollinger Bands with Pipeline to detect strong reaction to earnings no responses 24/03/2016
test post no responses 24/03/2016
Fetch own symbol ? no responses 24/03/2016
Using Fetcher no responses 24/03/2016
Dummy Universe for off-days no responses 23/03/2016
Can I make API or database calls within the quantopian platform 1 response 23/03/2016
The Social Media Trader Mood Series Pt. 2: Research Design no responses 23/03/2016
Quantopian Paper Trading Question 2 responses 23/03/2016
Technical Analysis Indicators 7 responses 23/03/2016
Is it posssible to plot the second RECORD? 7 responses 23/03/2016
Possible Issue with Estimize Data? 5 responses 23/03/2016
Seeking help: Import securities from a list no responses 23/03/2016
Algorithm making unwanted transactions despite log showing otherwise 6 responses 23/03/2016
Nanex NXcore 1 response 23/03/2016
Simple Transforms 3 responses 23/03/2016
Pipeline with single factor times out :( 4 responses 23/03/2016
Filter is no longer created from factor comparison 5 responses 22/03/2016
How do I unsubscribe from these emails? 2 responses 22/03/2016
Market sentiment measure - NYSE percent of stocks above their 200 moving average no responses 22/03/2016
ES Previous Day High Low Open Close Data in CSV no responses 22/03/2016
Scale Zipline for large `data` a la Quantopian 6 responses 22/03/2016
Pipeline Help : first filter and then compute. no responses 22/03/2016
Why the surge to implement social media data companies over economic data? 5 responses 22/03/2016
QuantCon 2016 Agenda 2 responses 22/03/2016
Problems to define the trading universe no responses 22/03/2016
Pipeline only for specific industry codes 1 response 22/03/2016
I want to build a correlation moving average 4 responses 22/03/2016
Runtime error no responses 22/03/2016
ML CSV question no responses 21/03/2016
Problem with initial trading amount no responses 21/03/2016
How to liquidate postions at market close? no responses 21/03/2016
Simple conditional buy/sell edit to MA strategy no responses 21/03/2016
Help with crossover strategy based on sector risk reversal no responses 21/03/2016
what is bar count in history really mean? 2 responses 21/03/2016
Quantopian Newbie Question Back testing using user prepared CSV files 4 responses 20/03/2016
Tearsheet Analysis of a LS portfolio: Worth of Q fund? 1 response 20/03/2016
Backtest ID 2 responses 20/03/2016
Simple VOOG, TLT and TVIX tail hedge re-balanced monthly 4 responses 20/03/2016
Looking for a Quantopian tutor 4 responses 20/03/2016
Help Change Simple Moving Average to an Exponential Moving Average 3 responses 19/03/2016
First Quantopian Algorithm: low beta strategy no responses 19/03/2016
How to select stocks from my csv file fetcher 3 responses 19/03/2016
Taiwan Workshop 3 responses 19/03/2016
Weird runtime error with order_target_percent 3 responses 18/03/2016
Measuring Momentum no responses 18/03/2016
code error help 2 responses 18/03/2016
Quantopian in the news (brief mention on BBC) no responses 18/03/2016
Oil Shares Pair Trade based on Kalman Filter & Mahalanobis Distance 3 responses 18/03/2016
100-to-1 split missing no responses 18/03/2016
Looking for strategies that really work in real money term no responses 18/03/2016
Code/Math improvement for MAD optimization: LS Portfolio no responses 18/03/2016
unknown invalid syntax no responses 18/03/2016
Backtest data errors 2 responses 18/03/2016
Help with Moving Average Crossover strategy no responses 17/03/2016
Attempting to create a Directional Trend Index? no responses 17/03/2016
Beneish Score (accounting manipulation) as Pipeline Factor: MemoryError 2 responses 17/03/2016
talib MACD errors driving me crazy. 5 responses 17/03/2016
Why 3 responses 17/03/2016
Constraint for limiting long/short exposure: Portfolio Optimization no responses 17/03/2016
Opening Momentum Algo Help no responses 17/03/2016
BETA Calculation Method 2 responses 17/03/2016
Hurst Maximizing Portfolio 1 response 17/03/2016
Can't get security object from position 2 responses 17/03/2016
Having pipeline run at market close? 5 responses 16/03/2016
Rebalance using Robinhood 18 responses 16/03/2016
Newb Moving Average/Standard Dev Question no responses 16/03/2016
Help required with update_universe no responses 16/03/2016
Average Directional Index - Would appreciate some ideas on how I can improve returns no responses 15/03/2016
Tell me what ya think no responses 15/03/2016
backtest 2 no responses 15/03/2016
momentum first backtest no responses 15/03/2016
Printing/publishing backtest results 3 responses 15/03/2016
Sample Mean Reversion Algorithm - Hello, World no responses 15/03/2016
Why I can't use the order(sid(mysid), 20)? 3 responses 15/03/2016
Split Adjustment Issue with EEQ, ATRO no responses 15/03/2016
Appreciate help implementing my strategy 2 responses 15/03/2016
How do I get the VIX data from the pipeline? 9 responses 14/03/2016
Cancel Unfilled Open Orders After A Specified Time 3 responses 14/03/2016
Is it possible to easily get vx futures data? no responses 14/03/2016
Am I using history() incorrectly? no responses 14/03/2016
long-short mean reversion no responses 13/03/2016
How to iterate over positions and sell some of them? 1 response 13/03/2016
Quantiacs? 1 response 13/03/2016
error in USEquityPricing data? 1 response 13/03/2016
Looking for Co-developer on a trading algorithm using binary clusters 1 response 13/03/2016
What are the difference between Paper live trading & Brokerage live trading - Pls suggest 1 response 13/03/2016
Long/Short strategy no responses 13/03/2016
BUY and SELL LimitOrder within a minute timeframe 5 responses 13/03/2016
error using eventvestor 1 response 12/03/2016
Value Momentum and Trend following 7 responses 12/03/2016
Setting Universe in Initialize 1 response 12/03/2016
Anomalous EDV ordering behavior 2 responses 11/03/2016
Problem with a simple day average algorithm 1 response 11/03/2016
Checking for KeyError: Equity 2 responses 11/03/2016
Momentum with kelly strategy 2 responses 11/03/2016
get data as vector instead of scalar? 2 responses 11/03/2016
possible to simulate inputs to pipeline in the research platform? 9 responses 11/03/2016
Need help in understanding Sample Momentum Algorithm 1 response 11/03/2016
can't get notebook on lecture series 16 responses 11/03/2016
Trailing Stop Help no responses 10/03/2016
set_commission Function no responses 10/03/2016
Detailed info on algo performance no responses 10/03/2016
Collaboration on algorithm testing no responses 10/03/2016
Save ouput got from pipeline 3 responses 09/03/2016
Live Minutely Data - New to Quantopian 2 responses 09/03/2016
Quantopian data bug ! daily close pricing wrong ? no responses 09/03/2016
Current Prices no responses 09/03/2016
Writing a desktop application 1 response 09/03/2016
Pipeline timeout issues 3 responses 09/03/2016
code for getting minute data into before_trading_start 4 responses 09/03/2016
Negative EV trading 3 responses 08/03/2016
Robinhood Live Trading Update: Stop Waiting 3 Days with Robinhood Instant 46 responses 08/03/2016
Factor Tear Sheet 15 responses 08/03/2016
API Question 2 responses 08/03/2016
catching algoerror 2211 no responses 08/03/2016
Int and Boolean Types In Pipeline 7 responses 08/03/2016
QuantCon 2016 Keynote Speaker Announced: Dr. Emanuel Derman no responses 08/03/2016
QuantCon 2016: Early Bird Tickets Available Now 1 response 08/03/2016
Help please! no responses 08/03/2016
Before Trade Starts On First Day Of Algo Deployment 3 responses 08/03/2016
Install zipline on win-64 20 responses 08/03/2016
Pipeline values don't match history() 10 responses 08/03/2016
[Notebook] Generic events statistics no responses 07/03/2016
Where are Futures data? 1 response 07/03/2016
Changes to how you use earnings calendar data no responses 07/03/2016
Tech sector strategy with SPY hedge and earnings call avoidance 1 response 07/03/2016
Fitoussi-BONUS no responses 07/03/2016
COT Reports & Leveraged WTI ETFs no responses 07/03/2016
Commitment of Traders report on Oil ETF Performance 2 responses 07/03/2016
When is Robinhood going to offer leverage trading? no responses 06/03/2016
Is the information ratio reported in Pyfolio correct? 3 responses 06/03/2016
fetch_csv multiple columns - Always picking the last one 1 response 06/03/2016
Add current positions to universe 3 responses 06/03/2016
Reliability of fundamental data 1 response 05/03/2016
Seeking Assistance in Building a Simple Indicator 2 responses 05/03/2016
Looking for assistance in creating an indicator. no responses 05/03/2016
Understanding Open / Close Price Orders 6 responses 05/03/2016
How to pick functions and parameters based on heat map no responses 05/03/2016
News Sentiment and News Volume based impulsive buying strategy no responses 05/03/2016
Manually adding stocks to Pipeline 3 responses 05/03/2016
Paired-Switching for Tactical Portfolio Allocation no responses 04/03/2016
The "Transaction Details" is differ from what the algorithm "wants" no responses 04/03/2016
QuantCon Hackathon & Advanced Algo Trading Workshop on Sunday, April 10th 7 responses 04/03/2016
What's your opinion on this Algorithmic trading service? 1 response 04/03/2016
Equal Risk Contribution S&P Sector Portfolio (ERC) 1 response 04/03/2016
Errors with insufficient information 1 response 04/03/2016
Wow this is impressively mediocre no responses 04/03/2016
Join a panel for Quantopian users in Chicago! 2 responses 04/03/2016
Contest: comparing apple to apple no responses 04/03/2016
Meta Strategy no responses 04/03/2016
Pyfolio - a few basic questions 19 responses 04/03/2016
TURJEMAN - BONUS no responses 03/03/2016
FLEURANCE Bonus no responses 03/03/2016
New (Introduction) 1 response 03/03/2016
COLASANTI - Bonus no responses 03/03/2016
Sharing code for different algorithms 4 responses 03/03/2016
How to get all the fundamental data of a stock? 1 response 03/03/2016
Why so much available cash after using order_target_percent(stock, 1.0)? 6 responses 03/03/2016
Top Divided 3 responses 03/03/2016
Getting trading days in research no responses 03/03/2016
Bollinger Bands Permutations 1 response 03/03/2016
Quantopian Tutorial Series 29 responses 02/03/2016
API for retrieving paper-trading results? no responses 02/03/2016
Intraday Pair Trading 1 response 02/03/2016
Indexing Mistake 2 responses 02/03/2016
Is it possible to track separate lots for the same security? 7 responses 02/03/2016
Singapore Workshop on March 21st and 22nd no responses 02/03/2016
Fundamental data not available in backtesting 4 responses 02/03/2016
Sharing an Image 6 responses 02/03/2016
Having trouble creating trading signals with Pipeline 3 responses 01/03/2016
How to filter equity types or classes in Pipeline? 13 responses 01/03/2016
How to use multiple filters with pipe.set_screen ? 5 responses 01/03/2016
before_trading_start price values not as expected. 5 responses 01/03/2016
context.portfolio_value no responses 01/03/2016
first algo test using vix for market timing no responses 01/03/2016
Worlds best algorithm? 8 responses 01/03/2016
week in month date_rules no responses 01/03/2016
Algo: Momentum using EMA and STOCH no responses 29/02/2016
Confused over order_target_percent. 5 responses 29/02/2016
Calculating Gaps and HOD/LOD 2 responses 29/02/2016
Organizing Algorithms with Folders 4 responses 29/02/2016
Quantopian Interactive Brokers Connection Bug 1 response 29/02/2016
NYC Workshop Hackathon 3 responses 28/02/2016
np.lib.stride_tricks.as_strided support 6 responses 28/02/2016
How do I add price to pipeline? 2 responses 28/02/2016
No trades with large stock universe no responses 28/02/2016
Backtesting based on rank in SP500 7 responses 28/02/2016
check if symbol is ETF or stock? 4 responses 28/02/2016
Implementation of tax simulation no responses 27/02/2016
history API available in before_trading_start? 10 responses 27/02/2016
Guys Do you know work around "If some one working with Investment banking they cant trade market freely I mean there is lots of constraints like holding 30 days etc" no responses 27/02/2016
Q: How do you filter Pipeline output by SID/Ticker? 5 responses 26/02/2016
New Data Available in Algorithms and Research 16 responses 26/02/2016
Dynamic Target Percent Issue (?) no responses 26/02/2016
Does Quantopian framework has built in library for Support Vector Machine? 1 response 26/02/2016
NYSE Stocks: Can't place orders no responses 26/02/2016
Custom Factor - ATR 9 responses 26/02/2016
Delisted Securities Now Removed from Portfolio 21 responses 26/02/2016
Helping out a beginner (pipeline ranking) 6 responses 26/02/2016
MarketCap Issue Using Pipeline for Real Money Trading 3 responses 25/02/2016
Using TA-Lib Functions in Pipeline no responses 25/02/2016
Does anyone have any experince using patent data to inform you algorithms? 1 response 25/02/2016
USO/GLD (Oil/Gold) Pairs Trading Algo using real price of Gold 1 response 24/02/2016
New user, simple algorithm, weird result 3 responses 24/02/2016
Stop loss in gap strategy 4 responses 24/02/2016
Sydney Quantopian Workshop on March 26th no responses 24/02/2016
Going about writing a P/E-based algo? 3 responses 24/02/2016
Quantopian's First Discretionary Capital Allocations 46 responses 24/02/2016
Pipeline VIX data wrong? 2 responses 24/02/2016
Get_backtest() / Pyfolio not working in research 3 responses 24/02/2016
Would someone mind sharing competition winning algo just for reference ? 2 responses 24/02/2016
IB paper trading - password not accepted. 2 responses 24/02/2016
Brainstorming Trading Strategy no responses 24/02/2016
ERROR - Help? 2 responses 24/02/2016
Basic long/short margin question 4 responses 23/02/2016
Crowdsourcing Genetic Algorithm Ideas no responses 23/02/2016
Calculating moving averages 1 response 23/02/2016
mark 15 minute high of the day 3 responses 23/02/2016
Basic 200SMA Algorithm 3 responses 23/02/2016
QuantCon 2016: Special Discount for Our Community 2 responses 23/02/2016
How do you check for valid symbols in Quantoptian? 1 response 23/02/2016
[seeking help] syntax error 1 response 23/02/2016
Can't figure out even a simple example of using Stocktwits basic data stocktwits_limited_free 2 responses 22/02/2016
NYC Workshop this Sunday no responses 22/02/2016
Are the 'pe ratio' wrong? Or my code has error? 8 responses 22/02/2016
The pe_ratio are wrong? Or my code are wrong? no responses 22/02/2016
Online Long/Short Fundamental Equity Strategy no responses 22/02/2016
Removing a security from a custom universe no responses 22/02/2016
Scheduler overide beyond 1 month? 6 responses 21/02/2016
Backtest: What happens to an acquired company? 2 responses 20/02/2016
Q Fund Question 3 responses 20/02/2016
Simple Ideas for a Mean Reversion Strategy with Good Results no responses 19/02/2016
Numerai - hedge fund machine learning crowdsourced contest 3 responses 19/02/2016
Stocks missing split adjustment 21 responses 19/02/2016
Order Through Robin hood vs Order Target Value? no responses 19/02/2016
How to extract a timeseries for a single stock from the data returned from history no responses 19/02/2016
Filter out ADRs/GDRs and non-primary shares in pipeline. (HELP) 1 response 19/02/2016
IDE improvement requests 2 responses 19/02/2016
Limit Orders Not Backtesting Properly? 5 responses 19/02/2016
Algorithm tutor needed 2 responses 18/02/2016
problem isolating sid values to enter into the order function no responses 18/02/2016
Pipeline for fundamentals timing out no responses 18/02/2016
New error message: NotAllowedInLiveWarning: The fundamentals attribute valuation.shares_outstanding is not yet allowed in broker-backed live trading 15 responses 18/02/2016
Robin hood Holding Money 5 responses 18/02/2016
I need a help with schedule_function 1 response 18/02/2016
Help with Open vs. Prev Low/High Algo no responses 18/02/2016
MACD Disappoints 5 responses 18/02/2016
Pipeline and Real Money Trading: any guidelines on what we need to screen out? 1 response 18/02/2016
Get_pricing data freshness? no responses 18/02/2016
Price and volatility on oil 2 responses 18/02/2016
Risk-less Strategies 19 responses 18/02/2016
RSI Disappoints 1 response 18/02/2016
Contest 8 Winner: Robert Shanks 17 responses 17/02/2016
Penny Stock Trading with Robinhood 5 responses 17/02/2016
Getting incorrect values from before_trading_start() no responses 17/02/2016
Lower lows for previous 3 days in pipeline API 3 responses 17/02/2016
Shifting Csv Data - Simple Question 2 responses 17/02/2016
All time New High 4 responses 17/02/2016
Error with set_screen() 1 response 17/02/2016
Is it possible to import external return data into pyfolio? 10 responses 16/02/2016
Contest 8 result ? 4 responses 16/02/2016
Optimal Determination of Minimum Variance Sets no responses 16/02/2016
How do I change moving average from days to minutes? 1 response 16/02/2016
Quantopian Tutorial: Lesson 3 - Basic Fundamentals with Piotroski Score, Growth Stocks, and Uptrending Volatile Small Cap Algorithms 39 responses 16/02/2016
Quantopian Tutorial with Portfolio Rebalance Algorithm: Lesson 2 - Universe, Fetcher, and Schedule_function 16 responses 16/02/2016
Quantopian Tutorial with Sample Momentum Algorithm - Lesson 1: The basics of the IDE 24 responses 16/02/2016
Start time trading 4 responses 16/02/2016
Pipeline Now Available in Real Money Trading 13 responses 16/02/2016
algo testing 1 response 16/02/2016
Rebalancing less frequently than 1 month (HELP) 5 responses 16/02/2016
R Integration no responses 16/02/2016
SPY/TLT rotation strategy - help much appreciated 2 responses 16/02/2016
Pipeline: force stocks inclusion regardless of screening no responses 16/02/2016
Make algorithm faster? (bollinger bands) no responses 16/02/2016
Possible Quantopian bug: I have a position inside my position 4 responses 15/02/2016
initial capital minute data no responses 15/02/2016
Strategy mix no responses 15/02/2016
Schedule_function for annual fundamentals-based rebalance? no responses 15/02/2016
The notebook of Pair Trading in the Quantopian Lecture is missing 3 responses 15/02/2016
Moving Average Backtest Questions no responses 14/02/2016
Size limit to context object? 1 response 14/02/2016
Filtering 'OTCPK' does nothing fyi no responses 14/02/2016
How to find companies that reported earnings N days ago? 3 responses 14/02/2016
Saving trained sklearn models for live trading? 1 response 13/02/2016
Shorting stocks - special margin, lending rates, etc 2 responses 13/02/2016
HOW DO HEDGE FUNDS KEEP THEIR CODE SECURE AND EXECUTE FASTEST POSSIBLE? 4 responses 13/02/2016
Code question regarding Pipeline data and custom factors 2 responses 13/02/2016
Extracting List Data Into Hashable Type 1 response 13/02/2016
quant art - for fun no responses 12/02/2016
QuantCon 2016: Emanuel Derman, Marcos López de Prado, Ernie Chan & More! no responses 12/02/2016
AttributeError: 'float' object has no attribute 'shift' 1 response 12/02/2016
How to remove delisted stock symbols from history()? 1 response 12/02/2016
How To Reference A Recorded Variable 1 response 11/02/2016
Momentum and Markowitz: a Golden Combination 6 responses 11/02/2016
Days to earnings in research platform 1 response 11/02/2016
Stocks On The Move by Andreas Clenow 176 responses 11/02/2016
A professional's strategy development process no responses 11/02/2016
The 101 Alphas Project 60 responses 11/02/2016
Anyone for hire? 1 response 11/02/2016
A tearsheet analysis, 10-months OOS, for fun and discussion. no responses 11/02/2016
beginner question on before_trading_start 1 response 11/02/2016
Paris Assas Class 2016 Hackpetition 54 responses 11/02/2016
is ta-lib thread safe no responses 11/02/2016
Can you access the Benchmark in coding? 8 responses 11/02/2016
ZigZag implementation example 3 responses 11/02/2016
TypeError: 'Timestamp' object is not iterable no responses 11/02/2016
Effective Pipeline calculation time out? no responses 11/02/2016
How do stop-loss orders affect trading strategy performance? no responses 11/02/2016
real dumb question about order function 2 responses 11/02/2016
Sparsity in fundamental data metrics 2 responses 10/02/2016
How to Pass Information for Backtest in Research Notebook? 1 response 10/02/2016
How to filter exchange_id in Pipeline 4 responses 10/02/2016
NYC Quantopian Workshop on February 28th no responses 10/02/2016
Making average 4-5% return in a month,irrespective of market movement. 1 response 10/02/2016
Is there a way to backup algorithms and NBs? no responses 10/02/2016
error trying to run plot of kalman filter for my own trading product no responses 10/02/2016
All Seasons Strategy - from Tony Robbins' interview with Ray Dalio 1 response 09/02/2016
Backtesting to 6 months of live trading - a tearsheet analysis 9 responses 09/02/2016
Pipeline API Backtest in Research Environment 2 responses 09/02/2016
TradeZero no responses 09/02/2016
Crossing moving averages and signal types no responses 09/02/2016
Short Term Reversion with Smart Portfolio Construction 10 responses 09/02/2016
It seems that no trades are occurring, and I can't figure out why. 1 response 09/02/2016
Calling the kalman filter function with data from history function no responses 08/02/2016
Backtest failing constantly and randomly 17 responses 08/02/2016
Pipeline down? 1 response 08/02/2016
Schedule Function Loop? no responses 08/02/2016
My first backtest based on EBIT/EV no responses 08/02/2016
New on Quantopian, first algo nort working as I thought it would. no responses 08/02/2016
Basic (I think) Question About Variables 3 responses 08/02/2016
Exporting data to csv 6 responses 08/02/2016
Question about how often program runs and how it works. 3 responses 07/02/2016
Bug Encountered with my first algorithm no responses 07/02/2016
Python to VBA no responses 07/02/2016
Filtering Boolean Operators 3 responses 07/02/2016
Looking for a simple example to gain forward motion 1 response 07/02/2016
Some Stats in Quantopian 5 responses 07/02/2016
Create Universe Based On Price From Pipeline Results no responses 07/02/2016
Custom factor for days since IPO date 10 responses 06/02/2016
Help with Optimisation no responses 06/02/2016
Quantopian Workshop in London 6 responses 06/02/2016
minimum variance w/ constraint 69 responses 06/02/2016
simulate a 3x etf 3 responses 06/02/2016
Seeking Help: Selecting What to Buy 1 response 06/02/2016
Quantopian/Reuters: How Mass Shootings & Politics Boost Gun Shares 13 responses 05/02/2016
Rolling Regression Window Size issue no responses 05/02/2016
Notebook If Statements, Simple Question 2 responses 05/02/2016
get all symbols under given index 10 responses 04/02/2016
Estimating spreads from OHLC no responses 04/02/2016
Robinhood Question---Available trading cash 2 responses 04/02/2016
Uncorrelated Return Stream Model no responses 04/02/2016
Testing Earnings Date triggers with Fetcher 4 responses 04/02/2016
from quantopian with love 1 response 04/02/2016
Backtesting doesn't work 5 responses 04/02/2016
Over-rebalancing 2 responses 03/02/2016
The Truth Value of DataFrame Is Ambiguous 4 responses 03/02/2016
Error Message Mysteries no responses 03/02/2016
Impossible to follow change in fundamentals (e.g. change in inventory / sales) over time with get_fundamentals? 3 responses 03/02/2016
For Robinhood trading 117 responses 03/02/2016
Seeking Help to Check if Strategy is Correctly Coded 3 responses 03/02/2016
Skewness and kurtosis 3 responses 03/02/2016
Introducting myself and first question: is Bloomberg useful? 3 responses 03/02/2016
Why not showing the contest entry backtest graphs? 1 response 03/02/2016
getting the weekly high of a stock 3 responses 02/02/2016
build algorithm does not work every time 1 response 02/02/2016
prices are different between quantopian an other sources 2 responses 02/02/2016
When Will .Open Be Fixed? 11 responses 02/02/2016
Python Newbie needs help understanding why orders aren't executing (nevermind figured it out, but post won't delete!) no responses 02/02/2016
What is Time Frame of Fundamentals Data? 8 responses 02/02/2016
Returns factor needs tweaking 13 responses 01/02/2016
How to Change Initial Capital in Research Environment no responses 01/02/2016
A couple of algo ideas from a newbie 4 responses 01/02/2016
Problem in calculating percentile score of current value compared to its history 3 responses 01/02/2016
an issue with fundamentals.valuation_ratios.total_yield data 1 response 31/01/2016
Help me. I don't know what to do?? 4 responses 31/01/2016
Backtesting daily minute data? 2 responses 31/01/2016
Get all tradable symbols at any historic date - Research API 1 response 31/01/2016
order in the future 4 responses 30/01/2016
RSI multiple securities 3 responses 30/01/2016
Is The Bear Market Back? Here Is Google's Answer 2 responses 30/01/2016
How To Utilize Pipeline For 8000+ Securities? 2 responses 30/01/2016
Any University of Houston students working through Quantopian? no responses 30/01/2016
Algo stops after a while with error "Exception: inputs are all NaN" no responses 30/01/2016
Best EBIT/TEV from each sector 2 responses 30/01/2016
Understanding the main chart no responses 30/01/2016
Missing Sentiment Data? 9 responses 30/01/2016
Seeking help: Error " Argument has incorrect type" 7 responses 29/01/2016
APT&Pairs Trading by PCA between SPY and 10 US market sectors 3 responses 29/01/2016
Fortune Mag article... 5 responses 29/01/2016
Industry and Sector Information 2 responses 29/01/2016
PIPELINE - Stocks up 4% and greater 12 responses 29/01/2016
Mean Reversion from SPX no responses 29/01/2016
5 minute mode? 5 responses 29/01/2016
Help With Adaptive RSI Algorithm 3 responses 29/01/2016
Value Weighted Index Algo 1 response 28/01/2016
Excluding/including certain stocks from orders in a multiple security algo 2 responses 28/01/2016
First Algorithm 2 responses 28/01/2016
How To Filter Stocks By Price And Percent Gain 6 responses 28/01/2016
Online updates of Kalman filters with inhomogeneous (non-equal-time-step) observations 3 responses 28/01/2016
Article about Spencer (and Michael) - Congrats! no responses 28/01/2016
totally simple question about batch transform and history - from the help file 3 responses 28/01/2016
Unable to use Estimize Consensus Estimates in Backtester 1 response 28/01/2016
Round-trip trade analysis 32 responses 28/01/2016
Concept of Project 2 responses 28/01/2016
Research platform bug? 9 responses 28/01/2016
Research and Development Factor Models no responses 28/01/2016
Help with buying and selling ETF based on MACD of SPY. no responses 27/01/2016
Paris Algo Trading Workshop on the 10th of February 5 responses 27/01/2016
BlackRock Residuals Analysis 1 response 27/01/2016
Help: Algo does not send orders 8 responses 27/01/2016
OLMAR with Fundamentals and Momentum Ranking 1 response 27/01/2016
Quantopian Lecture Series: Long-Short Equity Algorithm 76 responses 27/01/2016
How to use Fetcher to get Bitcoin prices? no responses 26/01/2016
Merging Custom Pipeline() Computation with Get_Fundamentals? 1 response 26/01/2016
Sklearn library version out of date? 6 responses 26/01/2016
problem with sentdex data 4 responses 26/01/2016
For Shaun 1 response 25/01/2016
London Algo Trading Workshop on the 6th of February 1 response 25/01/2016
BlackRock Training Portfolio Exposure Hackathon 12 responses 25/01/2016
Important Study Confirms Non-Linear Evidence of Causal Effects of Social Media on Market Prices using PSYCHSIGNAL dataset 1 response 25/01/2016
Struggling with Relative Strength 13 responses 25/01/2016
Cannot access fundamental data from research platform - 500 internal server error 1 response 25/01/2016
can not connect to IB account 3 responses 25/01/2016
Is there are a public library for useful trading algos to start with? 6 responses 24/01/2016
How to Build a Pairs Trading Strategy on Quantopian? 93 responses 24/01/2016
How to read previous trading day's minute volume and price (open and close)? 1 response 24/01/2016
Missing run_pipeline in research API? 3 responses 23/01/2016
Request for Pointers: Stocks portfolio - Daily long only adjustment for trending stocks in list 1 response 23/01/2016
Research notebook ImportError: No module named algorithm 2 responses 23/01/2016
Has Quantopian become all you had hoped it would be? 35 responses 23/01/2016
NYC Workshop Post no responses 23/01/2016
Market Structure no responses 23/01/2016
11,823,387.9% return in a single year 2 responses 23/01/2016
Algo disqualified: backtest took too long 7 responses 23/01/2016
How to Print or Log Specific Factors and Values 3 responses 22/01/2016
Window length limit 3 responses 22/01/2016
Missing from leaderboard 3 responses 22/01/2016
Raw History request 2 responses 22/01/2016
Quantopian hedge fund - how's it going? 5 responses 22/01/2016
Single stock Beta calculation? 1 response 22/01/2016
Momentum strategy using volatility and volume 8 responses 21/01/2016
BlackRock Workshop Momentum Strategies 6 responses 21/01/2016
Buying and holding SPY returns different results from Benchmark SPY 6 responses 21/01/2016
TVIX split historical adjustment 5 responses 21/01/2016
BlackRock Workshop: Introduction to Research Notebook 11 responses 21/01/2016
Connection Error raised when trying to get_fundamentals in research 4 responses 21/01/2016
Unexplained number of stocks 2 responses 21/01/2016
Non-Trading (Do Not Trade) option 5 responses 21/01/2016
Post Deleted No more answer needed. 2 responses 21/01/2016
Why does "long/short on recently good/bad stocks " strategy perform so bad? 6 responses 21/01/2016
Fetch list of symbols after market open 7 responses 21/01/2016
BlackRock Uncorrelated Challenge 9 responses 20/01/2016
Interesting idea: cross-sectional bootstrapping for factor models 4 responses 20/01/2016
Can you add a feature "liked" list for community users 3 responses 20/01/2016
Millisecond Trading 3 responses 20/01/2016
Good back test result today! 1 response 20/01/2016
How to record and plot the average holding period 6 responses 19/01/2016
html scrape with pandas 3 responses 19/01/2016
Fundamental data in pipeline not updated in 2008-2010 5 responses 19/01/2016
Short-term treasury as an asset 7 responses 19/01/2016
Small mean reverting portfolios 12 responses 19/01/2016
Curve Calculation 2 responses 19/01/2016
Bug in Tutorial - Using Fundamental Data Notebook 2 responses 19/01/2016
Pipeline Indexing Help 2 responses 18/01/2016
Leaderboard Updates 1 response 18/01/2016
Question about real money trading in Interactive Brokers 1 response 18/01/2016
TypeError for stock 'MYLNG' : data[sec].price: TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType 1 response 18/01/2016
Accern sentiment data 1 response 18/01/2016
How does the talib compute MACD ? Why the value is different ? 4 responses 18/01/2016
Newb needs help 3 responses 17/01/2016
Using CSV fetcher to set universe 13 responses 17/01/2016
Dogs of the Dow 7 responses 17/01/2016
Weather Data/Weather Forcasted Data. 3 responses 16/01/2016
low-capital conservative algo for Robinhood? 10 responses 15/01/2016
USEquityPricing Bug for Apple? 1 response 15/01/2016
What did I do here?? 4 responses 15/01/2016
NYC Quantopian Workshop on January 23rd no responses 15/01/2016
Get all active symbols at any historic date? 2 responses 15/01/2016
Leverage shoots up on the Minute data mode 5 responses 14/01/2016
Implementing cap weighting within pipeline? 3 responses 14/01/2016
Market Open +390? 2 responses 14/01/2016
is no-short pairs trading possible? 4 responses 14/01/2016
Pipeline API orders 2 responses 14/01/2016
Get Your Feet Wet Algorithm 3 responses 14/01/2016
Market Size for Algo Trading no responses 14/01/2016
Pipeline CustomFactor: how to set a default value for custom parameters 2 responses 14/01/2016
Pipeline in Research frozen for fundamental data 4 responses 14/01/2016
How to move portfolio to specific ETF or Stock instead of cash 1 response 14/01/2016
ATR Never Seems to Get Used 1 response 13/01/2016
Feature request: in live trading dashboard, total account equity 1 response 13/01/2016
Searching for a funtion 1 response 13/01/2016
How to order one stock from a list of stocks? 3 responses 13/01/2016
For my GMU BDP Class no responses 13/01/2016
Unable to Order 3 responses 13/01/2016
Trying to understand Quantopian's data sets 2 responses 13/01/2016
Will our algorithms ever get a time slot dedicated to intensive computation? no responses 13/01/2016
Nevsky's Taylor Blames Algos in Closing $1.5 Billion Hedge Fund 2 responses 13/01/2016
Sort by daily winner/loser 1 response 13/01/2016
SIDData confusion 4 responses 12/01/2016
How does Quantopian do auto execution? 1 response 12/01/2016
Creating New Algo 1 response 11/01/2016
Interesting read on equity factors no responses 11/01/2016
Live Webinar: Using News Sentiment in Your Algorithm on January 13th at 2pm ET 1 response 11/01/2016
Backtesting needed for basic ETF strategy 1 response 11/01/2016
order_target_percent(); doubts 2 responses 11/01/2016
Text Alerts 7 responses 11/01/2016
How to Handle Large Initial Computations 2 responses 11/01/2016
ECN meaning in market 1 response 11/01/2016
Single Stock Algo 4 responses 11/01/2016
Looking for help on first Algo 3 responses 11/01/2016
Help for my first algorithm ! 1 response 10/01/2016
Track values 1 response 10/01/2016
Get yesterday's stock returns 1 response 10/01/2016
Can't figure out why I am making a loss with a simple algo 7 responses 10/01/2016
Track Record of "The Crystal Ball" Trading Strategy 1 response 10/01/2016
confusion over when can a stock be ordered? 5 responses 10/01/2016
fetch_csv partial information 3 responses 10/01/2016
Liquidating no responses 10/01/2016
Dealing with partial fills / low liquidity? (Sync, async, order modification pains) 12 responses 10/01/2016
The Crystal Ball 1 response 10/01/2016
Quantopian Workshop San Francisco 2016 Tearsheets 3 responses 10/01/2016
Dealing with stock splits 1 response 09/01/2016
Optimized value of Beta and $ nuetrality in short/long portfolio - Intersting article 1 response 09/01/2016
How can I test different values for a variable in one run? 3 responses 09/01/2016
Individual Exchange Volume 1 response 09/01/2016
My First Script - simple yet effective I suppose 3 responses 09/01/2016
Unable to reconcile return on equity?? no responses 09/01/2016
Stopping the algorithm? 2 responses 09/01/2016
Trying to return the weight of a stock in the portfolio adds it into the portfolio 2 responses 09/01/2016
Need Help - MOMO strategy 1 response 09/01/2016
get_backtest throws NoSuchAlgorithm exception no responses 09/01/2016
Quantopian Algorithm, EMA and RSI Indicators 19 responses 08/01/2016
Anyone knows if Quantopian has a plan to add Futures or Options historical minute data feed recently ? 1 response 08/01/2016
Stale contest results 3 responses 08/01/2016
Stale VIX pipeline feed? 12 responses 08/01/2016
IDE code completion and tooltips? 2 responses 08/01/2016
What's the difference between logging vs printing? 2 responses 08/01/2016
Buy at open, sell at close 10 responses 08/01/2016
How to get current position to update to zero after selling all positions? 3 responses 07/01/2016
Implementing Frog in the Pan algorithm from Alpha Architects 14 responses 07/01/2016
Quantified Strategy buy at open, sell on close, .. why am I getting different results in Quantopian...? 13 responses 07/01/2016
Adventures outside Quantopian 4 responses 07/01/2016
[podcast] Interview with James Thomas, Director of Research for Headlands Technologies, LLC no responses 07/01/2016
An implementation of the Robust Asset Allocation Strategy from Alpha Architects 18 responses 06/01/2016
SEF: No liquidity?? 4 responses 06/01/2016
Open Invitation to Collaborate no responses 06/01/2016
Will fetcher eventually be allowed for use in Quantopian Open? 6 responses 06/01/2016
Price data glitch due to splits? (EEQ) 6 responses 06/01/2016
No NumPy argpartition? 1 response 06/01/2016
How do I get the stop order to work? no responses 05/01/2016
Can someone help me get my stop-order to work? 4 responses 05/01/2016
Bokeh module in Research 1 response 05/01/2016
Research: Help - Why are my orders not being filled? no responses 05/01/2016
Is it my Python code problem or IDE problem? 1 response 05/01/2016
Valuation ratios error 6 responses 05/01/2016
Quantopian Intro to Algo Trading Workshop in San Francisco this Saturday no responses 04/01/2016
Storing fundamental data and using in paper/live trading 3 responses 04/01/2016
Quantopian Algo Trading Workshop in Mountain View, CA on January 3rd no responses 04/01/2016
Issue with Stock EEQ? 1 response 04/01/2016
Could you please confirm these key points about Quantipian / Zipline (and update FAQ?) 4 responses 04/01/2016
Positions and orders - are those tracked by Zipline or pulled from IB account during live trading? 2 responses 04/01/2016
Contest Results Plot 13 responses 04/01/2016
Find Coder to Assist 7 responses 03/01/2016
Quantopian Mt. View Workshop Exercise Notebook 2 responses 03/01/2016
Picking stocks based on the Kelly Criterion 3 responses 03/01/2016
exception handling help. 3 responses 03/01/2016
Using pipeline to make list of stocks 4 responses 03/01/2016
Does get_pricing frequency method support weekly and monthly? 1 response 03/01/2016
Buy SPY Single 3 responses 03/01/2016
Simple Cubic Model Beats S&P 500 no responses 03/01/2016
Error: TimeoutException: Too much time spent in handle_data call 4 responses 02/01/2016
Replicate Buy-on-Gap strategy in the book Algorithmic Trading 6 responses 02/01/2016
Sector "Value" Strategy 1 response 02/01/2016
Security in history but not in data? 2 responses 02/01/2016
Using a set of state variables in a user Defined CustomFactor 6 responses 02/01/2016
Trouble Building Custom Factors that Return Strings 8 responses 02/01/2016
Possible bug in update universe function no responses 02/01/2016
How to replicate shorting VXX? 9 responses 02/01/2016
I am very keen to learn about how to make an algorithm! 3 responses 01/01/2016
Use if sid() with vairable security id 3 responses 01/01/2016
Saving State and Recovering from Failure 1 response 01/01/2016
wrong stock price data for backtesting 2 responses 01/01/2016
Pandas Version 8 responses 01/01/2016
minute backtest doesn't work no responses 01/01/2016
help with robinhood no responses 01/01/2016
Possible bug in get_open_orders() 1 response 01/01/2016
Identifying Non Farm Payrolls (first friday of each month) 9 responses 01/01/2016
How to fix my for-loop to order one stock at a time? 2 responses 01/01/2016
minute backtest not working, while daily works 3 responses 31/12/2015
Multi-factor weighted ranking 1 response 31/12/2015
What is triggering this stop order? 1 response 31/12/2015
Problem placing a stop order 2 responses 31/12/2015
How to load existing backtests into Research? 5 responses 31/12/2015
Using multiple source files for algorithms 12 responses 31/12/2015
Does updating universe based on pipeline results ignore the current assets in the porftolio? 2 responses 31/12/2015
Why am i over and under trading? 3 responses 31/12/2015
Data Inaccuracies 3 responses 31/12/2015
Strange happenings with dropna() and history 2 responses 31/12/2015
Unable to Submit Algorithm to Contest 10 responses 30/12/2015
Way to "Mass/Bulk" Indent in coding 2 responses 30/12/2015
Possible to create an intraday opening range breakout strategy? 4 responses 30/12/2015
Quantopian & Canadian Retirement Accounts (RRSP & TFSA) 7 responses 30/12/2015
Backtesting Data : 12/29/2015 data not available ? 7 responses 30/12/2015
Finding Unusual Volume 1 response 30/12/2015
Custom Industry Factor Issue 5 responses 30/12/2015
QuantsGiveBack (NYC algo trading networking event at Google) no responses 30/12/2015
NEWBIE HELP 4 responses 29/12/2015
Active Trading - Security Questions 10 responses 29/12/2015
Querying fundamentals for a number of securities 2 responses 29/12/2015
Returning multiple values in Pipeline CustomFactor 2 responses 29/12/2015
SEC report on August 24th no responses 29/12/2015
use of random? 7 responses 29/12/2015
Call other alogorithms from scheduler - ScheduleChild 6 responses 29/12/2015
Pipeline appears to freeze under heavy load calculating historical rate of returns 3 responses 29/12/2015
Logging something on the last day of backtest 6 responses 29/12/2015
TypeError: 'float' object is not iterable 2 responses 29/12/2015
How to translate codes written inside quantopian to codes run in zipline? no responses 29/12/2015
How much Long/Short? 1 response 28/12/2015
Strange.. Results... HEATMAP WEEKDAYS.. 2 responses 28/12/2015
Performance Analysis and Risk Analysis 5 responses 28/12/2015
Trying to determine probability of a value x's occurrence given a mean and std.dev of a normal dist. 5 responses 28/12/2015
Creating a custom factors that runs every minute 1 response 28/12/2015
interactive vs pipeline ? 1 response 27/12/2015
How to access fetched data using `context` and `data` inside `handle_data` ? 1 response 27/12/2015
what is the equivalent function to `history()` for calculating indicators outside `handle_data`? 6 responses 27/12/2015
what does context.stock exactly contain inside? 1 response 27/12/2015
Quantopian is not buying and selling when I tell it to. 2 responses 27/12/2015
How to create a pipeline custom factor that returns country_id? 2 responses 27/12/2015
Is there a successful and clear way to setup Visual Studio 2015? no responses 26/12/2015
Simple Strategy of Buy and Sell no responses 26/12/2015
Dilemma in research.. 1 response 26/12/2015
bringing in outside data 1 response 26/12/2015
Index problem when calling history() 3 responses 25/12/2015
First attempt at fundamental algo. Having some problems. 1 response 25/12/2015
What time of the day the handle_data() in the IDE is executed in daily mode? 4 responses 24/12/2015
[Research Environment] Security Violations(s): Accessing sm.distributions 1 response 24/12/2015
Why does my algo go short when I use target_percentage on daily candles? 5 responses 23/12/2015
Pipeline in research notebook fails on last step 2 responses 23/12/2015
New to all of this! 1 response 23/12/2015
Leverage Issue 1 response 23/12/2015
Set benchmark not as stock. 2 responses 23/12/2015
CDII and NP split adjustment wrong in both pipeline and get_pricing 1 response 23/12/2015
Pipeline in Research: what are the run time limits? 3 responses 23/12/2015
HTTPError: 500 Server Error: INTERNAL SERVER ERROR in Research Notebook when calling get_fundamentals 3 responses 23/12/2015
Recent Market 1 response 23/12/2015
ETF Arbitrage 5 responses 22/12/2015
TimeoutException: Call to before_trading_start timed out 1 response 22/12/2015
Any algo made it to the Q fund yet? 5 responses 22/12/2015
Issues Faced in Going Live 8 responses 22/12/2015
Code Structuring Advice 9 responses 22/12/2015
Using Accern and Quandl Data in your algorithms 6 responses 22/12/2015
Trading VIX - Quandl Data Now In Pipeline For Backtesting And Live Trading 38 responses 22/12/2015
pandas problem no responses 22/12/2015
Next ex-div date available as data ? 1 response 22/12/2015
(Help) How to get benchmark history data in strategy? 1 response 22/12/2015
Exponentially Weighted Moving Average & Standard Deviation in Pipeline 12 responses 22/12/2015
Twitter API/library integration 3 responses 22/12/2015
Robinhood Algo 2 responses 21/12/2015
Analyzing Pipeline Performance In Depth 3 responses 21/12/2015
Remove ETF from algorithm 3 responses 21/12/2015
Sample Mean Reversion 3 responses 21/12/2015
gap closing - help for universe 5 responses 21/12/2015
I'm new to Quantopian, Algorithm over leveraging? 1 response 21/12/2015
importing multivariate_normal from scipy.stats 2 responses 21/12/2015
Can I Code the Following Strategy Type in Quantopian? 1 response 21/12/2015
Best Sector Backtest no responses 21/12/2015
what we cannot do with external data in quantopian compared to internal data? 1 response 20/12/2015
How to apply `mavg` to my own data, given external data is loaded? 6 responses 20/12/2015
Logging time of intraday trades, in EST timezone? 2 responses 20/12/2015
fetch_csv sample code seems not working ??? 2 responses 19/12/2015
Tradable Securities 3 responses 19/12/2015
Logging API, useful at all? no responses 19/12/2015
QuantInsti Lecture Algorithm no responses 19/12/2015
The Data available for strategy development @Quantopian is necessary, but is it sufficient? no responses 19/12/2015
Genetic Algorithms on Quantopian? 1 response 18/12/2015
How to sell fixed number of given stock? 3 responses 18/12/2015
Index Data? no responses 18/12/2015
Algo borrows funds despite using order_percent 1 response 18/12/2015
Is there.. a complete list of directory of ETF and ETN... covered by quantopian...? 6 responses 18/12/2015
Problem with fetch_csv when loading multiple signals. 11 responses 18/12/2015
Help with Time - <Solved> 5 responses 18/12/2015
Algo stops trading after a while 1 response 17/12/2015
A Simple Momentum Rotation System for Stocks 134 responses 17/12/2015
research down? 4 responses 17/12/2015
Help I can't access my research page... 1 response 17/12/2015
TypeError: Too much time spent in handle_data call no responses 17/12/2015
*Help Needed* Single Stock Portfolio using Dual Momentum 1 response 17/12/2015
get sid from equity object 2 responses 16/12/2015
Question regarding pipeline and using for loops 5 responses 16/12/2015
(Help) How to use get_fundamental in Pipeline? 1 response 16/12/2015
How to use schedule_function to run every X days? 3 responses 16/12/2015
Looking for thoughts on how to boost my returns... 1 response 15/12/2015
Need some help on trade at open vs. trade at close 3 responses 15/12/2015
What is the Backtest period for the contest? 1 response 15/12/2015
Live trading vs Backtesting 1 response 15/12/2015
Bug in minute mode 1 response 15/12/2015
My first Pipeline: How to find stocks with consecutive higher lows? low[-4] < low[-3] < low[-2] < low[-1] 15 responses 15/12/2015
Week Number 1 response 14/12/2015
Does quantopian have cover orders? Or how can we simulate them? 1 response 14/12/2015
Overleveraging on short sales? no responses 14/12/2015
Leaderboard update 4 responses 14/12/2015
Where is the api documentation about "def analyze(context, perf)"? 3 responses 14/12/2015
Market order to sell short... but no shares? 4 responses 14/12/2015
Imported Data troubles 1 response 14/12/2015
Fundamentals: Updating Universe 4 responses 14/12/2015
How to track Google stock with their stock split and then name change? 1 response 14/12/2015
Why won't this algo run? 4 responses 13/12/2015
A question about beta no responses 13/12/2015
Error in fundamental data? 8 responses 13/12/2015
How to calculate an edge based on Odds and Risk Ratio? no responses 13/12/2015
Accern for backtesting and live trading? 1 response 12/12/2015
Quantopian Lecture Series: Basic Pairs Trading (Updated) no responses 12/12/2015
Minimum Trading logic for Contest Entry? 1 response 11/12/2015
Setting Stop Loss in Pair Trading 15 responses 11/12/2015
SEC moves to kill leveraged ETFs 11 responses 11/12/2015
Hide Not Slide Order Type 2 responses 11/12/2015
Vectorised Hurst Exponent Estimator 1 response 11/12/2015
Set top N large cap universe (e.g. S&P 500) 1 response 11/12/2015
What exactly does update_universe() do? 3 responses 11/12/2015
Robinhood vs IB 3 responses 10/12/2015
Announcing Bay Area Workshops no responses 10/12/2015
Announcing the Quantopian Workshops 56 responses 10/12/2015
How to assign a name for each full backtest 5 responses 10/12/2015
mistake no responses 10/12/2015
Model/beta 'slippage' in dynamic spread mean reversion models no responses 10/12/2015
Simple data collecting question 1 response 10/12/2015
Mean Reversion for The Little Guy 9 responses 10/12/2015
Is this actually an Intraday trading algorithm??? no responses 09/12/2015
Newbie question - can this be done? 1 response 09/12/2015
sklearn version 22 responses 09/12/2015
pipeline, daily data and live trading? Is this possible? no responses 09/12/2015
Pair Trading 1 response 09/12/2015
pattern finder 5 responses 08/12/2015
TaLib CDL, Candle Indicators 2 responses 08/12/2015
Algorithm disqualified for Quantopian's shifting goal posts 3 responses 08/12/2015
Pair Trading 1 response 08/12/2015
percent returns does not match 5 responses 07/12/2015
Recession Tracker 3 responses 07/12/2015
Pyfolio 6 responses 07/12/2015
Valuation based market timing 12 responses 07/12/2015
Why does my algorithm perform worse with StopOrder? 6 responses 07/12/2015
How to filter stocks based on both fundamental and technical data? 1 response 07/12/2015
Trying to replicate: Pair Trading International ETF by Schizas et al. (see free pdf) 1 response 07/12/2015
SPY, SH & TLT w/ constrained optimizer 16 responses 06/12/2015
Load daily returns into pyfolio from csv no responses 06/12/2015
my NB on fundamental factors 15 responses 06/12/2015
Average Volume indicator? 1 response 06/12/2015
Multi-armed Bandit 18 responses 06/12/2015
Replicating live trading by closing all open orders at EOD? 3 responses 05/12/2015
full code 3 responses 05/12/2015
Need help on this Magic Formula Investing code no responses 05/12/2015
How big of a data you have uploaded to Quantopian with fetch_data recently? 3 responses 05/12/2015
How to place a limit sell once buy is filled 2 responses 05/12/2015
Finance Programming Jobs for Undergraduate Degree 1 response 04/12/2015
KeyError no responses 04/12/2015
Live trading concern 8 responses 04/12/2015
What is the difference between context.stocks and data inside the handle_data function? 5 responses 04/12/2015
RSI and EMA return types no responses 04/12/2015
Beginner - Created my own moving average Algorithm 2 responses 04/12/2015
It's either not iterating properly or its not logging properly, any suggestions? 3 responses 04/12/2015
best performer vs worst performer problem 2 responses 03/12/2015
Custom CSV File loading has different market close time than Quantopian history function 2 responses 03/12/2015
Newbie trying to research trading ideas using Quantopian 2 responses 03/12/2015
Paper trading... 3 responses 03/12/2015
Returns on Algorithms remain at 0% for 2 days - Not sure what I'm doing wrong!? 14 responses 02/12/2015
Backtest settings 3 responses 02/12/2015
Bad backtesting data? 7 responses 02/12/2015
How to export processed data after running algorithms? 5 responses 02/12/2015
Can we schedule when to run the pipeline? 1 response 02/12/2015
How do I get a count of high prices over a target value for each stock in before_trading_start? 2 responses 02/12/2015
Raising funds for investment strategy 11 responses 01/12/2015
Filter from set_universe? 2 responses 01/12/2015
Trading SPY based on the slope (zscore of) and the HiLo index of the SPY components (Tradeable?) 35 responses 01/12/2015
Substitute batch_transform for history no responses 01/12/2015
event dates as filter in Pipeline in Research? 2 responses 01/12/2015
sector performance notebook 3 responses 01/12/2015
QuantLib 1 response 01/12/2015
Can I get a help with this logic? 3 responses 01/12/2015
FOMC Meeting Strategy (fixed dates, shorter backtest) no responses 01/12/2015
Why does trying to get the closing price of VXX any farther back than 20 days give me bad numbers? 2 responses 01/12/2015
Market open trend indicator 4 responses 30/11/2015
rekt no responses 30/11/2015
wenk no responses 30/11/2015
Why is this error happening? "AttributeError: 'SIDData' object has no attribute 'IsInside'" 1 response 30/11/2015
The Pipeline API is not yet available for broker-integrated live trading? 6 responses 30/11/2015
test no responses 30/11/2015
"Fed leaks" article backtest no responses 30/11/2015
Buying at the open and selling at the close 2 responses 29/11/2015
minimum variance portfolio w/ S&P 500 sector ETFs and TLT 5 responses 29/11/2015
Shorting 2008 Crash 1 response 29/11/2015
Amibroker 1 response 29/11/2015
I changed the Zero Commission Algorithmic Trading - Quantopian and Robinhood but its not trading any more 1 response 29/11/2015
How to determine best stock from list? 4 responses 29/11/2015
why is "context.portfolio.positions[sid].cost_basis" not working? 1 response 29/11/2015
Feature request: Backtest Organization 2 responses 29/11/2015
error: "all the input array dimensions except for the concatenation axis must match exactly" 1 response 28/11/2015
Delay between price by code vs. backtest graph 1 response 28/11/2015
Possible Flaw in Quantopian Day Trading Logic or Just My Ignorance 4 responses 28/11/2015
MOC Imbalance 1 response 27/11/2015
leverage ratio just going up even when no trading happened. 6 responses 27/11/2015
quantopian always execute order at the next bar's close price? 2 responses 27/11/2015
Which Index as benchmark is possible to have? 1 response 26/11/2015
Problem loading custom csv file in Zipline/Quantopian 1 response 26/11/2015
Improved Fundamentals Documentation no responses 26/11/2015
Unable to use pipeline filters in research environment 2 responses 26/11/2015
Data source for dark pool trading volume no responses 26/11/2015
trailing stop loss runtime error 4 responses 26/11/2015
Pipeline in Research - Build, Test and Visualize your Factors & Filters 17 responses 25/11/2015
T+3 rule, when will I be able to use my funds? 2 responses 25/11/2015
Help using talib in a Custom Factors in Pipelines - it might be a BUG - - Exception: inputs are all NaN 4 responses 25/11/2015
How to speed up pipeline calculations 6 responses 25/11/2015
Inaccurate Prices 1 response 25/11/2015
avoiding stocks that will be delisted 6 responses 25/11/2015
cvxopt optimization 13 responses 25/11/2015
Anyone up for starting a Skype group? 1 response 25/11/2015
Sell all Positions and Move to Cash based on P/E Ratio of a Specific Stock or ETF 1 response 25/11/2015
How to add max share price in the Robin Hood example? 1 response 24/11/2015
Missing split adjustment 3 responses 24/11/2015
Anyone want to collaborate on some test Algorithm ideas? 6 responses 24/11/2015
Custom Factor - Kaufman's Efficiency Ratio 5 responses 24/11/2015
Value of the skip month for momentum strategies 3 responses 24/11/2015
How to exclude leveraged ETFs from pipeline results? 8 responses 24/11/2015
I am unable to launch research platform? 2 responses 24/11/2015
Is this worth investing? 15 responses 24/11/2015
Fetcher - Mainting Past Data/Intellectual property rights of CSV data. no responses 24/11/2015
How do I set_benchmark in zipline in a research notebook? 1 response 24/11/2015
Pipeline vs get_fundamentals 5 responses 23/11/2015
Holding SPY overnight = most returns with half the drawdown 3 responses 23/11/2015
Open Price 2 responses 23/11/2015
from pydoc import help 2 responses 23/11/2015
piotroski long/short using pipeline 7 responses 23/11/2015
Noob question.... "def before_trading_start(context, data):" 2 responses 23/11/2015
Quantopian market place? 1 response 22/11/2015
RSX gap up/down no responses 22/11/2015
Pipeline set_screen method - Does it round of numbers? 2 responses 22/11/2015
Efficient method to Get returns over a past period? 3 responses 22/11/2015
Yahoo ETF Database no responses 22/11/2015
ValueError: The truth value of a Series is ambiguous. 2 responses 21/11/2015
Custom Factors? S&P 500? 2 responses 21/11/2015
pipeline: what does it mean 'today' 7 responses 21/11/2015
Schedule function error 1 response 21/11/2015
Contest hedging? no responses 21/11/2015
syntax, runtime, trailing stop and Incompatible History Frequency no responses 21/11/2015
refining results from the pipeline 4 responses 21/11/2015
Contest 12 Rules Changes: More Entries, More Winners, $1m Capital Base 40 responses 20/11/2015
Fundamentals - Deferred Tax Assets 3 responses 20/11/2015
Cannot copy Getting Started notebook 1 response 20/11/2015
Statistical arbitrage - minimize variance ratio 7 responses 20/11/2015
Accessing CSV Fetch data troubles 1 response 20/11/2015
Custom Factors and out variable - Local variable 'out' is assigned to but never used 5 responses 20/11/2015
Finding point of current Trend no responses 19/11/2015
OLMAR w/ Optimizer 7 responses 19/11/2015
Algorithms 1 response 19/11/2015
NP - March 2008 2 responses 19/11/2015
How to get share of the stock in portfolio? 2 responses 19/11/2015
NYSE to eliminate "stop orders" from February 1 response 19/11/2015
Backtest intraday strategy with daily bar data 2 responses 19/11/2015
Filter Pipeline initially - Optimise the Pipeline to work on a subset of the universe optimally? 3 responses 19/11/2015
NameError: name 'get_pricing' is not defined 7 responses 19/11/2015
Pipeline - Import Datasets 6 responses 18/11/2015
Day trading algorithms? no responses 18/11/2015
Using Research Notebook -- Error 5 responses 17/11/2015
getopenorder() is keep growing. I am not sure how to understand this 6 responses 17/11/2015
Bloomberg article: Six Strange Things That Have Been Happening in Financial Markets 5 responses 17/11/2015
Can the fetcher be used for minute level data? 1 response 17/11/2015
Elaine Lynch Algorithm no responses 16/11/2015
Ciara Mullane Algorithm no responses 16/11/2015
Niamh Lyons Algorithm no responses 16/11/2015
Adaptive Asset Allocation algorithms 10 responses 16/11/2015
What in the world? 5 responses 16/11/2015
Identifying cointegrated pairs in a Sector no responses 16/11/2015
I am looking for a top programmer to work with a University mathematician. 1 response 16/11/2015
Add a value to a list everyday 3 responses 16/11/2015
Pair trading notebook 3 responses 16/11/2015
Pipeline: check for inf and na values 11 responses 15/11/2015
Parabolic SAR no responses 15/11/2015
how to get open/close price and volume for 5 min bars? 4 responses 15/11/2015
Solved. no responses 15/11/2015
Something wrong in Fundamental Data? 1 response 15/11/2015
Contest update 2 responses 14/11/2015
Short UGAZ / DGAZ threshlold rebalancing 2 responses 14/11/2015
A fund for high risk/high return no responses 14/11/2015
Stochastic Crossover with 2x ETFs and low drawdown 3 responses 14/11/2015
How to use ta.EMA? 2 responses 14/11/2015
x 2 responses 14/11/2015
Need Help with First Algorithm - Small Cap Stock Picking Strategy 5 responses 13/11/2015
bob no responses 13/11/2015
Sharpe Ratio in Backtest Result differs from than one in Pyfolio 9 responses 13/11/2015
Quantopian fund risk exposure 1 response 13/11/2015
Stoploss Help 1 response 13/11/2015
how do I backtest google 2 responses 13/11/2015
Best Python for Windows 10? 1 response 13/11/2015
First Post 1 response 12/11/2015
BELM - Possible faulty data 3 responses 12/11/2015
Andrew's Median Line (Pitch Fork) no responses 12/11/2015
Sector average values 4 responses 12/11/2015
Why some functions used in quanotopian missing in zipline? 1 response 12/11/2015
Backtester buttons ? 3 responses 12/11/2015
pair trading BABA vs YHOO 2 responses 12/11/2015
Betting System Strategies 4 responses 12/11/2015
Support and resistance levels for Equities 2 responses 11/11/2015
iPython Notebook Plot Formatting Quantopian Style 1 response 11/11/2015
Live and working IB trading system for Equities 1 response 11/11/2015
Where is the BIG LIST OF INDICATORS? 2 responses 11/11/2015
Future price 1 response 11/11/2015
Daily vs. Minutely confusion? 3 responses 11/11/2015
Set start date? 1 response 11/11/2015
How are orders executed in Quantopian? 1 response 11/11/2015
Help: Using pyfolio with zipline in a notebook? 10 responses 11/11/2015
Why would a single trade at the beginning not equal the benchmark? 3 responses 10/11/2015
kalman filters parameters help 3 responses 10/11/2015
Is there anyway I could sell any buys exactly after 2 years? 6 responses 10/11/2015
what is the symbol of the Dow Jones industrial 30 ?? and what is the symbol of Nasdaq 100? i cant find it 1 response 10/11/2015
Ranking well has its rewards no responses 10/11/2015
Back tester speed 2 responses 10/11/2015
How to get "current" price in a scheduled function 8 responses 10/11/2015
ETF symbols with Reorg Events generate ERROR Messages 2 responses 10/11/2015
use quantopian as a personal robo for asset rebalancing 1 response 10/11/2015
XIV/VXX pair trade 5 responses 09/11/2015
Calc a Slope 2 responses 09/11/2015
How do I... optimize for the best study period 5 responses 09/11/2015
Before_Trading_Start making it run every year 1 response 09/11/2015
sgn function 1 response 09/11/2015
What parts of Zipline can you import into a research Notebook? no responses 09/11/2015
Does Quantopian support Java? 3 responses 09/11/2015
Low Beta strategy: Pairs vs Portfolio for medium capital ptf size (and Money Management) 1 response 09/11/2015
Taxes and gamma hedging no responses 09/11/2015
Custom Pipeline factor - how to access close ndarray with each asset? 12 responses 08/11/2015
running different algos in the same paper account? 3 responses 08/11/2015
A couple questions about the basics- a buy and sell, same day strategy no responses 08/11/2015
How to compute the probabilities for all of the trades of the strategy? 10 responses 07/11/2015
Futures Data timeline 13 responses 07/11/2015
nan in USEquityPricing.close 1 response 07/11/2015
Family Office / Strategy fund 1 response 07/11/2015
Can you test covariance on Quantopian? 1 response 07/11/2015
Sample Strategies 2 responses 07/11/2015
Pre-market data and daily manual symbol selection 1 response 07/11/2015
Getting csv file without Dropbox Pro 4 responses 06/11/2015
Contest update no responses 06/11/2015
demo for spyder and python3 1 response 06/11/2015
Quantopian Lecture Series: Updated Spearman Rank Correlation Notebook no responses 05/11/2015
Getting rid of bad data, Not exactly sure 2 responses 05/11/2015
Use of mavg() 2 responses 05/11/2015
Quantopian Lecture Series: Updated Risk Factor Exposure Notebook no responses 05/11/2015
Quantopian Lecture Series: Risk Factor Exposure 5 responses 05/11/2015
Momentum Rotation issue with repetition period 1 response 05/11/2015
VWAP confusion 2 responses 05/11/2015
European data? 4 responses 05/11/2015
Eurozone markets data & live trading in I.B. accounts based in euros 2 responses 05/11/2015
Piotroski Score + Aroon Indicator 23 responses 05/11/2015
Multiple / Overlapping Portfolios 1 response 05/11/2015
Questions on Beta Hedging Example of Quantopian Lecture Series 6 responses 05/11/2015
Fixing Leverage, Really high towards end of backtest 2 responses 04/11/2015
Beginner help to create PB ratio algorithm 1 response 04/11/2015
Ranked Universe & Long-Short Equity Strategy 2 responses 04/11/2015
local_csv how to upload and access? 3 responses 04/11/2015
No connection to research 3 responses 04/11/2015
What is the ".rank" supposed to do? 3 responses 04/11/2015
Contest Questions 4 responses 04/11/2015
Does order_target(sid, 0) close a short position? 1 response 03/11/2015
Bollinger bands with Pipeline...Is there an example? no responses 03/11/2015
ETF rebalance monthly based on momentum 21 responses 03/11/2015
Update the Open leaderboard please!!! 3 responses 03/11/2015
How do I find junk stocks which can be shorted. . . 1 response 03/11/2015
Float short / Short interest 4 responses 03/11/2015
Contest 3 Algo 2 responses 03/11/2015
Quantopian and Hedge Funds 4 responses 03/11/2015
Accessing External Data 1 response 02/11/2015
Identifying industry average values for fundamentals 10 responses 02/11/2015
Analyze Mutual Fund Performance - Using Pyfolio 2 responses 02/11/2015
Owl Ultra 1 response 02/11/2015
BarData is using previous date info - fetch_csv 1 response 02/11/2015
Did I break something? [Beginner] 3 responses 02/11/2015
Python code optimization 2 responses 02/11/2015
Rebalancing Fails when Live Trading 4 responses 02/11/2015
FundSeeder 6 responses 02/11/2015
Options And Other Assets 3 responses 01/11/2015
3000% returns over 4 years - Where am I going wrong? 4 responses 01/11/2015
build error "The Efficient Frontier: Markowitz Portfolio optimization in Python" code 1 response 01/11/2015
Worthy of Q fund? 9 responses 01/11/2015
Help about ETF moving average technic 2 responses 01/11/2015
Meb Faber The CAPE Ratio Doesn’t Work no responses 01/11/2015
Meb Faber 10-month Versus 40-week Versus 200-day SMA no responses 01/11/2015
Identifying the stock's annual earnings announcement date 2 responses 31/10/2015
Restricting the exchange houses in fundamental analysis 6 responses 31/10/2015
TA-lib SAR Help no responses 31/10/2015
Fundamental Long/short help? 5 responses 30/10/2015
Feature request: inception/start date in sid mouse-hover no responses 30/10/2015
Help with TALIB in Research 2 responses 30/10/2015
Impossible!!! - Quantopian, can you confirm if the calcs here are correct? 4 responses 30/10/2015
Help with Research 4 responses 29/10/2015
Help with errors please. 6 responses 29/10/2015
Remove algo from contest without stopping 1 response 29/10/2015
Filtering out instances of multiple securities using get_fundamentals() - MSFT example 3 responses 29/10/2015
Algo for investing a fixed amount monthly no responses 28/10/2015
Is there a way to stream live tick data form IB into Quantopian account? 1 response 28/10/2015
Manipulating input for Moving Average (mavg) function from days to minutes 7 responses 28/10/2015
Interactive Brokers transaction cost analysis, RelativeOrder, exchange rebates, market data 4 responses 28/10/2015
Getting some new 'KeyError' lately + algo disqualified. 4 responses 28/10/2015
Winton stock market challenge on Kaggle no responses 28/10/2015
Anyone found a substantial momentum effect? 78 responses 27/10/2015
Restarting a contest-algo no responses 27/10/2015
Research - creating tear sheet fails,- need help 1 response 27/10/2015
I am new 1 response 27/10/2015
Reducing Beta without shorting? 4 responses 26/10/2015
Python noob question - how can I create a parameterized CustomFactor in Pipeline? 3 responses 26/10/2015
tqqq pair trading with SPY 200-3 sma crossover no responses 26/10/2015
Custom Factor question 3 responses 25/10/2015
support other languages? 2 responses 25/10/2015
"Building Algorithem" (Backtesting to debug) using Pipeline 1 response 25/10/2015
what is data? 2 responses 25/10/2015
long/short OLMAR hack 27 responses 25/10/2015
Honest opinion... How does this look? no responses 25/10/2015
cython supported in algos? 3 responses 25/10/2015
Where to do heavy computations? 2 responses 25/10/2015
Shorting 3x ETFs with regular rebalancing 5 responses 24/10/2015
Shorting Leveraged ETFs pair with re-balancing threshold 7 responses 24/10/2015
UGAZ is not udjusted for split 16 responses 24/10/2015
Pipeline Now Available in Paper Trading and the Quantopian Open 4 responses 23/10/2015
set_symbol_lookup_date 5 responses 23/10/2015
How might one code to look for a reversal of direction in the RSI? 1 response 23/10/2015
New Feature - get_live_results() 6 responses 23/10/2015
data from morningstar 1 response 23/10/2015
Detect stock split 2 responses 23/10/2015
Custom csv info 3 responses 23/10/2015
Has anyone written a monte carlo simulation of backtest returns for Research? 1 response 22/10/2015
Event Study - Trading on Negative News & Blog Article Sentiment 22 responses 22/10/2015
Tea with Bestie x PyLadies Taiwan Workshop - Hackathon 17 responses 22/10/2015
Looking to Buy ETFs based on RSI Ranking and SPY Moving Averages 1 response 22/10/2015
Interesting Returns... 20000% (RE: Newbie Mistake) 2 responses 22/10/2015
Long Short Pipeline Multi-Factor 51 responses 21/10/2015
Three new built-in data sets now available on Quantopian no responses 21/10/2015
New Feature: Search for Backtests, Notebooks 2 responses 21/10/2015
Demark Indicators Backtested! 3 responses 21/10/2015
PipeLine Calculating Beta 20 responses 21/10/2015
Webinar: Behind the Pipeline API - A Technical Q&A with Scott Sanderson 1 response 21/10/2015
Dividend Bug Fixed in Pipeline Algorithms 4 responses 21/10/2015
Help with backtest results 3 responses 21/10/2015
Bayesian Conditional Cointegration no responses 21/10/2015
Adding Calculated Values into a list 1 response 21/10/2015
Feature request: add some entry datetimes to positions 2 responses 20/10/2015
order delay 1 response 20/10/2015
Slicing of history() 2 responses 20/10/2015
How to get Previous day mavg 2 responses 20/10/2015
set_universe - tickers changing, positions still opened 4 responses 20/10/2015
Find Daily Gainers or Losers 2 responses 20/10/2015
Getting nonsensical results on minutized trading with bracketed trades 2 responses 20/10/2015
Order at a specific time of day 2 responses 19/10/2015
Help! Syntax problems? 2 responses 19/10/2015
Accounting for Hard to borrow fees 1 response 19/10/2015
Designing an Optimal Piotroski F-score 2 responses 19/10/2015
Data availability 3 responses 19/10/2015
Fidelity or Interactive Broker ?? 3 responses 19/10/2015
Spreading get_fundamentals or pipeline securities basket across several days 10 responses 19/10/2015
Some curiosities about the Q hedge fund no responses 19/10/2015
Bootstrapping volatility-standardized asset weights 17 responses 18/10/2015
CSV Fetcher import multiple stocks issue 2 responses 18/10/2015
Stop loss never get filled no responses 18/10/2015
Access logs in Research 2 responses 18/10/2015
Executing a pipeline on a fetched universe expands the universe 8 responses 18/10/2015
Backtest: Winner & Loser trades no responses 18/10/2015
Help plot monthly returns heatmap. 2 responses 18/10/2015
Additional Tag request: "bug?" no responses 18/10/2015
Pipeline API vs get_fundamentals discrepancy 8 responses 18/10/2015
Live trading with IB: any plan for additional currencies? 3 responses 18/10/2015
Research responsiveness 3 responses 18/10/2015
No log? why? 1 response 17/10/2015
Live Trading Algo Performance Skewed by Cash Transfer 10 responses 16/10/2015
I'm continuously failing orders and I'm not sure why 1 response 16/10/2015
Contest 11 Rules Change: There Is No Change 3 responses 16/10/2015
Just starting 1 response 16/10/2015
Custom Pipeline factors beginner 2 responses 16/10/2015
Twittersphere About to Become an ETF no responses 16/10/2015
difference between start date and start of trading of security? no responses 15/10/2015
Symbol ITUB - Data Error on 7/13/2015 ? no responses 15/10/2015
Bad Data for Symbol GGP from 4/16/2009 - 3/4/2010 4 responses 15/10/2015
Trading Strategy Ideas: FMA 2015 Papers 26 responses 15/10/2015
How to get historical fundamental data with the Pipeline API? 3 responses 15/10/2015
Help with the for/if loops and history data used in those.... 3 responses 15/10/2015
Back-testing: A Useful Tool or "Financial Charlatanism"? 1 response 15/10/2015
long-short strategy with the same amount of money? 3 responses 15/10/2015
Using Pipeline with CustomFactor 9 responses 15/10/2015
OHLC data 1 response 15/10/2015
Why is LimitOrder filling like a MarketOrder ? 2 responses 14/10/2015
Why is this selling and reselling and reselling despite order_target method 4 responses 14/10/2015
Finding stocks that opened with a gap of X% 10 responses 14/10/2015
Either I can't do math or Quantopian can't 8 responses 14/10/2015
SPY closes: Yahoo v. Quantopian history 2 responses 14/10/2015
Pipeline to filtering out financial stocks? 1 response 14/10/2015
Different benchmark that the SPY 1 response 14/10/2015
Help with Algorithm, so stuck 6 responses 14/10/2015
Question regarding data storage 1 response 13/10/2015
EMA spread thingy no responses 13/10/2015
Pipeline backtesting vs before_trading_start timeouts 8 responses 13/10/2015
Computing the Fama-French Factors with Pipeline 25 responses 13/10/2015
my first post no responses 13/10/2015
order on fetched csv 1 response 13/10/2015
filtering symbols where percent changes are greater than some threshold 1 response 13/10/2015
Perpetually-growing universe when using pipeline? no responses 12/10/2015
Running multiple backtest using outside script 2 responses 12/10/2015
NP March 12-13, 2008 - Possible value typo? 1 response 12/10/2015
Research environment data source 1 response 12/10/2015
Meet Andreas, Winner of Contest 9 (October Prize) 4 responses 12/10/2015
pipeline for market level stats 3 responses 12/10/2015
Just made my first working algo! The pairs trading thesis is looking up. 3 responses 12/10/2015
Annualizing a Sharpe vs. Sortino Ratio 2 responses 12/10/2015
Calculating multiple related Custom Factors efficiently 2 responses 12/10/2015
Calculating Custom Factor ebitda 3 responses 11/10/2015
store and historical EOD data 2 responses 11/10/2015
before_trading_start() - does not run first day of backtest? 9 responses 11/10/2015
Can we rely on zipline inside our algos? 1 response 11/10/2015
Cointegration test don't match with Lectures example 10 responses 11/10/2015
test of before_trading_start() time-out 1 response 11/10/2015
Multiple strategies combined into one 2 responses 11/10/2015
Loading additional and multiple data for simulation 4 responses 11/10/2015
Point-in-time volume based universe for strategy 2 responses 11/10/2015
Add symbols/sids into data universe from list object 25 responses 11/10/2015
How to get ask/bid price and size for a certain time of day? 3 responses 11/10/2015
Confusion between data/context [New to Quantopian] 2 responses 10/10/2015
Question on ATR Example - Timing and execution of orders at market open 1 response 10/10/2015
range of floats? 2 responses 10/10/2015
Pandas resample question 2 responses 10/10/2015
How do I find annual returns of a backtest in research? 4 responses 10/10/2015
newbie debugging- print statement 1 response 10/10/2015
Dollar Volume Pipeline 4 responses 09/10/2015
The Pipeline API, Dividends and Splits - What You Need to Know 7 responses 09/10/2015
Questions on trading cointegrated pairs 33 responses 09/10/2015
Getting Started with Data from the Quantopian Store no responses 09/10/2015
Question on "pyfolio" 4 responses 09/10/2015
Only look trigger when price is above the 20 SMA 4 responses 09/10/2015
Newbie Question: pipe.set_screen() TyperError 8 responses 09/10/2015
Is schedule_function asynchronous or not? 6 responses 09/10/2015
Reinventing fetch_csv() for Zipline: Pandas code to add to Yahoo data? 7 responses 09/10/2015
Errors in fundamental data 5 responses 08/10/2015
Beginner Trouble--Can't get current price of equity in array 1 response 08/10/2015
Minimum portfolio turnover required? 3 responses 08/10/2015
Fundamental history based algo 11 responses 08/10/2015
Help understanding trading activity for value strategy no responses 08/10/2015
Harvard STAT107 Parzen HW no responses 08/10/2015
Reminder: webinar showcasing the Pipeline API streams in 3 hours 2 responses 08/10/2015
Separating algo performance from portfolio results 3 responses 08/10/2015
How to look up a Stock’s Short Interest with Python 19 responses 08/10/2015
top performers - tutorial 2 responses 08/10/2015
Why is leverage not part of backtest metrics or graphs? 7 responses 08/10/2015
Newbie trading question: How do you deal with slippage when designing strategies? 2 responses 07/10/2015
Pipeline - Mean Reversion Example 11 responses 07/10/2015
Morningstar Data Accuracy 2 responses 07/10/2015
Scoring Changes for the April Quantopian Open 31 responses 07/10/2015
July Contest Rules Update: Get Hedged 47 responses 07/10/2015
Kinda shocked. Does any algo make money? 12 responses 07/10/2015
Close several positions once the reach of a target 4 responses 07/10/2015
calculation of the pipeline() 2 responses 07/10/2015
official API Doc code, doesn't run in Algorithms 1 response 07/10/2015
carry trade 3 responses 07/10/2015
Linking Research output to fetch_csv input 6 responses 07/10/2015
Security violation using numpy.ix_ ? 3 responses 07/10/2015
%time magic in Research 1 response 07/10/2015
Randomly sampling get_fundamentals results and memory problem 10 responses 07/10/2015
How to incorporate multiple filters with pipe.set_screen? 2 responses 07/10/2015
What market data is available? 1 response 06/10/2015
Introducing the Pipeline API 96 responses 06/10/2015
example: buy every morning, sell every afternoon no responses 06/10/2015
Function continuation between time intervals or trade events 1 response 06/10/2015
Help Appreciated - over leverage 1 response 06/10/2015
BT-4 1 response 06/10/2015
Modifying a simple day trading algorithm 3 responses 06/10/2015
How to avoid order to be filled in multiple blocks of shares? 5 responses 05/10/2015
BT-3 1 response 05/10/2015
possible bug. cost_basis showing very different from tick price 5 responses 04/10/2015
Previous Contest's winners performance 2 responses 04/10/2015
history function (suddenly) not working? or feed data scrambled? 11 responses 04/10/2015
Quantopian open October Prize 2015 Best 50 metrics no responses 04/10/2015
Quantopian open scoring factors ranks 15 responses 04/10/2015
ArgCheck throwing exception when scheduling bound closures 6 responses 04/10/2015
Trouble with Shorting the SPY 6 responses 04/10/2015
Need websites that sell good algos no responses 04/10/2015
How to get last day of month? 2 responses 03/10/2015
New member with questions about contest rules 6 responses 03/10/2015
How to fully print a large object? 2 responses 03/10/2015
long short sector neutral strategy based on fundamentals 11 responses 03/10/2015
October Prize #1 Algo disqualified - Worthy of the Q fund ? 9 responses 03/10/2015
DGZ a leveraged ETF? 7 responses 03/10/2015
How to use zipline.utils.factory.load_from_yahoo (Adjusted = False or True)? 3 responses 03/10/2015
The Process of Naming The September Prize Winner 9 responses 03/10/2015
The Process of Naming The October Prize Winner 16 responses 03/10/2015
October Prize Winner: Andreas R 6 responses 03/10/2015
Sample Man Reversion Algorithm 2 1 response 02/10/2015
Contest Performance 4 responses 02/10/2015
210% returns from the Mean Reversion Algorithm 3 responses 02/10/2015
Difference in Buy/Sell price when FixedSlippage(spread=0.0) 3 responses 02/10/2015
Confused about use of panels on research platform 1 response 01/10/2015
Viable Distributions to Model Asset Prices 4 responses 01/10/2015
How to Build a Momentum Based Trading Strategy Live Webinar: Today at 12pm ET no responses 01/10/2015
Investing in Female CEOs - sector neutral, a different benchmark and new data 26 responses 01/10/2015
Q fund - how much money lined up & when will it be deployed? 4 responses 01/10/2015
Feature request: split backtest time frame in multiple equally long time frames 3 responses 01/10/2015
Feature request: (Research) add API to get the list of available backtests for an algorithm 1 response 01/10/2015
Historical Data Help 4 responses 01/10/2015
Tracking stock execution level 1 response 01/10/2015
Is success random? 2 responses 30/09/2015
Introducing 20+ New Data Feeds on Quantopian 9 responses 30/09/2015
WorldQuant's: WebSim no responses 30/09/2015
Looping through stocks universe inside initialize function 7 responses 29/09/2015
BT-2 2 responses 29/09/2015
Major difference between contest and paper Sortino for the same algo. Why? 5 responses 29/09/2015
【HELP】I'm a new quanter, is there some courses to help me ? 4 responses 29/09/2015
point-in-time list, NASDAQ stocks by market cap? 3 responses 29/09/2015
Trading strategy worthy of Q fund ? 12 responses 29/09/2015
BT-1 no responses 29/09/2015
New to Programming in general need help figuring out logic 2 responses 29/09/2015
Quantopian Newbie Question - determining object types in the IDE 2 responses 29/09/2015
How to determine if a day is the last trading day of the month? 6 responses 28/09/2015
How to find historical returns? 4 responses 27/09/2015
ETF fundamental data 8 responses 27/09/2015
Research parameter optimization question 2 responses 27/09/2015
Intraday examples 1 response 26/09/2015
Earnings Calls 5 responses 26/09/2015
Help organizing stocks. 6 responses 26/09/2015
Live Trading Returns Analysis - Simple no responses 26/09/2015
Multiple Time Frames Algos 11 responses 26/09/2015
Live Portfolio Allocation algorithm 2 responses 26/09/2015
Very simple programming question 3 responses 26/09/2015
Beginner Trouble (Fundamental Data) 4 responses 25/09/2015
Planned events dates in Q 2 responses 25/09/2015
Full Winners' Returns Data Now Available 9 responses 25/09/2015
All Live Stream Ticket Sales for QuantCon 2016 will be Donated to Code.org no responses 25/09/2015
Algo Grading 101 Webinar Now Available no responses 25/09/2015
Beginner that needs help! - heiken ashi 3 responses 25/09/2015
Where are the morningstar sector codes listed? 3 responses 25/09/2015
Cornell Hackathon 2015 - Contest Algorithm 11 responses 25/09/2015
Need help with coding stat.arb [basci] 5 responses 25/09/2015
Winners Page Missing February and March winners? 2 responses 25/09/2015
Do libraries exist to calculate market velocity? 1 response 24/09/2015
Gap ups and first 5 mins of day 5 responses 24/09/2015
Re: Today's webinar / Market neutral and statistical arb starts 4 responses 24/09/2015
Feature request: Get the list of all community posts I am listening to 1 response 24/09/2015
Passing history frequency as string variable problem 2 responses 24/09/2015
Newbie question about stock universe 1 response 24/09/2015
Recommended Stop Loss Strategy 1 response 24/09/2015
Feature request in backtest: daily returns graph with both algo and benchmark (like performance graph) 1 response 24/09/2015
My Algo, please critique; 9% return, 2.01 sharpe, 1.5% draw 1 response 23/09/2015
Live Webinar with Dr. Jess Stauth Tomorrow at 12pm ET: Algo Grading 101 2 responses 23/09/2015
Morningstar's Financial Health Grade always 'None' in Algorithms but... 3 responses 23/09/2015
Can I visualize my fetcher_data in algorithms like in research mode? 1 response 23/09/2015
Is something like this worthy of Q fund? 24 responses 23/09/2015
What are ideal/practical best return, drawdown values? 2 responses 23/09/2015
Research Data Directory, Community Data, Fetcher and Courtesy 2 responses 22/09/2015
Free chapters of O'Reilly Python for Data Science no responses 22/09/2015
Poor man's VIX/VVIX 3 responses 22/09/2015
Research Platform documentation 1 response 22/09/2015
Contest winner's page messed up 5 responses 22/09/2015
Trend follow algo 72 responses 22/09/2015
cannot fetch fundamental data 2 responses 22/09/2015
Cannot connect to research in safari 14 responses 22/09/2015
Cubs Strategy 3 responses 22/09/2015
Correlations between volume and price in pairs trading 1 response 21/09/2015
Quantopian Lecture Series: Fundamental Factor Models 10 responses 21/09/2015
Combination of BollingerBand (BB), Moving Average Convergence Divergence (MACD) and Relative Strength Index (RSI) 4 responses 21/09/2015
Equivolume Bars/Hurst Exponents 10 responses 21/09/2015
Algo data frequency... 4 responses 20/09/2015
First impressions on the quality of the Morningstar fundamental data on Quantopian 4 responses 20/09/2015
Logging at end of back test only? 2 responses 20/09/2015
Market Bias Indicator 5 responses 19/09/2015
hedge fund comments 26 responses 18/09/2015
Something wrong with winners page 10 responses 18/09/2015
How can you be in the May contest but not the October contest? 1 response 18/09/2015
Quantopian Talks at Strata: Special Discount for our Community no responses 18/09/2015
Quantopian Lecture Series: Spearman Rank Correlation 8 responses 18/09/2015
Does Quantopian support Day-trading ? 4 responses 18/09/2015
October Contest Changes: Monthly Prize Payouts, More 6-month Contests 29 responses 18/09/2015
help: how to write the Algorithms from the Zero but know little python...? 3 responses 18/09/2015
Feature request: current locale vs stock exchange timezone selection 3 responses 18/09/2015
First Stab at a Bracket Order Approach for day traders no responses 18/09/2015
why the jumps? 2 responses 17/09/2015
leaderboard not being updated? 1 response 17/09/2015
Algo Grading 101: How to Evaluate your Algorithm’s Performance and Risk Characteristics Webinar on Sep 24 at 12pm ET 1 response 17/09/2015
Buy at month end and sell at month begin 17 responses 17/09/2015
External Data (API and Files) @Quantopian 1 response 17/09/2015
Using Python Machine-Learning packages 5 responses 17/09/2015
New to futures/options market, need some help 1 response 17/09/2015
feature request: diff notebooks 4 responses 16/09/2015
Trade Timing Issue With Talib MACD Sample 3 responses 16/09/2015
Newbie Questions (please be merciful) 2 responses 16/09/2015
Problem about fetch_csv 9 responses 16/09/2015
looking for email for James Jack 1 response 16/09/2015
Momentum Trading Extremely Volatile 1 response 16/09/2015
Scheduling Function using minute data 4 responses 16/09/2015
External Databases no responses 16/09/2015
Adustable Timeframe Algo 2 responses 16/09/2015
Is there something wrong ? 1 response 16/09/2015
New comer's puzzle...XD 2 responses 16/09/2015
Trading strategy: Re-weight the components of an ETF 3 responses 16/09/2015
Re: Converting a 'day based' simulation to 'minute based sim' 1 response 15/09/2015
Live Papertrading @Quantopian? 1 response 15/09/2015
Fundamental Accounting Data @Quantopian/ Python by API 1 response 15/09/2015
Interest Rates and Fed Watching - The Side Stories 1 response 15/09/2015
Trading at the open and at the close no responses 15/09/2015
Young grasshopper to Quantopian and everything related 7 responses 15/09/2015
Algo works with SPY but no other stock. Error - Runtime exception: IndexError: invalid index to scalar variable. 4 responses 14/09/2015
How to fetch_csv in handle_data? 8 responses 14/09/2015
Q live trading transactions don't add up 2 responses 14/09/2015
How to Build a Long-Short Equity Strategy Webinar on 9/17 at 12pm ET no responses 14/09/2015
Long Price Action Algo 2 responses 14/09/2015
Algo's cumulative returns differ for benchmarks 3 responses 14/09/2015
This is my first algorithm 1 response 14/09/2015
Allocation of Long and Short positions? 2 responses 13/09/2015
A new quant needs some help 2 responses 13/09/2015
Inverse ETFs & Hedging 1 response 13/09/2015
Short float 6 responses 12/09/2015
Unable to acces fetcher data: sid issue? no responses 12/09/2015
Buy/Sell at open price of next period instead of closing price 3 responses 12/09/2015
scipy minimize example no responses 12/09/2015
Trading "realtime" possible to backtest in Q'topian? 1 response 12/09/2015
data integrity issue? 1 response 12/09/2015
pd.rolling_max() throw attribute error 5 responses 12/09/2015
Writing a thesis on pair trading strategies. Should I use Quantopian for research? 9 responses 12/09/2015
SMA Trouble (Minute) 2 responses 12/09/2015
How to know if an equity will be removed from the market? 2 responses 12/09/2015
Hedgefund analyst looking for algo partner 1 response 11/09/2015
Universal portfolios 18 responses 11/09/2015
Intelli-sense on research platform 1 response 11/09/2015
Trying to use Moving Average on minute data 8 responses 11/09/2015
Weird behaviour - AAPL undefined 3 responses 11/09/2015
What prices does Q backtester apply on intra day trading? 10 responses 11/09/2015
Backtest issue - appears as though buying one position but selling another 1 response 11/09/2015
Definition of a good Stat Arb 4 responses 11/09/2015
Best way to check trade status? 4 responses 11/09/2015
Best algorithm ever so far, recommendation 4 responses 10/09/2015
MISSING Corporate Action (dividends/spinoffs) for EBAY/GOOG_L render historical technicals erroneous 1 response 10/09/2015
Pythonic (Numpy, pandas, quantopian FrameWork) examples for porting R-algos ? no responses 10/09/2015
Simple Research Strategy 2 responses 10/09/2015
Analyzing trades on old stocks (now defuct / acquired) no responses 10/09/2015
Can I "delay" the benchmark start? 10 responses 10/09/2015
Adding additional cash to IB live trading account distorts dashboard stats no responses 10/09/2015
Novice looking to put together a gap strategy - any takers? 9 responses 10/09/2015
New Features: Forum Tagging, Improved Search, and Interesting Posts 6 responses 10/09/2015
Data infrastructure 10 responses 10/09/2015
Trading strategy - experiment with covariance and cross sectional mean 3 responses 10/09/2015
Buggy Pricing Data on SBLK? 6 responses 10/09/2015
matplotlib in Research - changing colormaps? 5 responses 10/09/2015
Need help for basic DOW 30 stock rotation strategy 2 responses 09/09/2015
Trading once a month 3 responses 09/09/2015
Probability State Indicator (PSI) 13 responses 09/09/2015
Where is the cash going? 1 response 09/09/2015
Assistance with this algo would be appreciated 4 responses 09/09/2015
Getting Error : Something went wrong. Go back to the home page 5 responses 09/09/2015
Getting get_open_orders() to work 4 responses 09/09/2015
Cannot open algorithms or backtesting 5 responses 09/09/2015
Problem with peg_ratio in fundamentals 10 responses 08/09/2015
need quantopian freelancer 10 responses 08/09/2015
Anyone doing live trading on Interactive Brokers ? 14 responses 08/09/2015
Market Panic: Parameter-Optimized Strategy for Lay Investors 3 responses 08/09/2015
Github Integration 3 responses 07/09/2015
Float from outstanding shares. 4 responses 07/09/2015
LOOK-AHEAD BIAS : Point-in-Time Fundamental Data in Research 3 responses 07/09/2015
Applying Strategy to Multiple Stocks - FAIL 8 responses 07/09/2015
How can I find the sid of a given stock? 8 responses 07/09/2015
New to the forum, is that possible to get history for one or two specific stocks? 2 responses 07/09/2015
data for live trading with IB account 1 response 07/09/2015
Nice Collection of Mean Reversion Papers no responses 07/09/2015
Why am I getting a runtime error with this simple csv? 4 responses 07/09/2015
How to program a backtest? 2 responses 06/09/2015
Passing through different methods 3 responses 06/09/2015
Should order_target_percent(X, 1.0) sell all shares of non-X stock? 3 responses 06/09/2015
Google and Morningstar Symbols for Nasdaq 100, Nasdaq Composite 2 responses 06/09/2015
Publishing Date of Financial Statements (US Stocks) 2 responses 06/09/2015
First algo, would like some feedback - volatility weighting 2 responses 06/09/2015
How is Leverage calculated by Quantopian? 1 response 06/09/2015
Potential bug on Quantopian Research: Wrong time data in research get_pricing for minute frequency 1 response 06/09/2015
Create 5 min bar with x period ATR . Help please 3 responses 05/09/2015
End of month schedule = start of the next month? 2 responses 05/09/2015
Cant connect to research? 9 responses 05/09/2015
Converting non-stationary stock data to stationary 2 responses 05/09/2015
Trading Interactive Brokers Model Portfolio 8 responses 04/09/2015
Markowitz Optimization 3 responses 04/09/2015
Do Technicals beat Fundamentals? This paper seems to show some insight no responses 04/09/2015
P/B Data Error 2 responses 04/09/2015
worthy of Q fund? 75 responses 04/09/2015
Pardon my newbness, question on algorithm - SPY volatility 2 responses 04/09/2015
Collaborations no responses 04/09/2015
Question on Stochastics Parameters 1 response 03/09/2015
Research platform get_pricing() limits ??? Running into problem loading all daily data for analysis 2 responses 03/09/2015
Minute Level Data Question 1 response 03/09/2015
A Beginner Question - trading only $2500? 11 responses 03/09/2015
Does the range_specifier in get_fundamentals() in research platform work? 1 response 03/09/2015
Replication of backtest results in Research environment 3 responses 03/09/2015
Clarification, please 3 responses 03/09/2015
other markets? 2 responses 03/09/2015
How to Pick Intraday Market Direction – The 80% Rule 13 responses 03/09/2015
Please help me. I am new - compile error 1 response 03/09/2015
VWAP Calculation is wrong no responses 03/09/2015
Multi-Strategy portfolio 1 response 02/09/2015
Contest - Static Performance Results 3 responses 02/09/2015
How to Calculate Total Return? 3 responses 02/09/2015
A Simple Downside Protection Model 11 responses 02/09/2015
Stop-loss and limit orders 3 responses 02/09/2015
[Resolved myself] My algorithm doesn't buy positions in the first run 3 responses 02/09/2015
How do you do accurate and current filtering based EV_TO_EBITDA 1 response 02/09/2015
symbol conflict 2 responses 02/09/2015
Could I use my own data source? 1 response 02/09/2015
SGX FTSE A50 futures 1 response 02/09/2015
New To Quant Finance 4 responses 02/09/2015
Problem with csv_fetcher 5 responses 01/09/2015
Next contest deadline: October 1st, 9:30AM Eastern 2 responses 01/09/2015
September Prize Winner: Pravin Bezwada 18 responses 01/09/2015
Python IDE: Viewing variable state, running code line by line etc 2 responses 01/09/2015
Market Panics: To Sell or Not to Sell? 3 responses 01/09/2015
Stop loss Strategy 1 response 01/09/2015
New here 3 responses 01/09/2015
Having trouble updating DOW constituents 2 responses 31/08/2015
Logging negative buys and positive sells no responses 31/08/2015
Losing more than 100% in backtest 4 responses 31/08/2015
Bayesian analysis of backtest results 1 response 31/08/2015
Feature request: backtest list shows risk metrics 3 responses 31/08/2015
Lagging quandl data no responses 31/08/2015
Amount of Positions 1 response 31/08/2015
Predicting Future Returns of Trading Algorithms: Bayesian Cone 2 responses 31/08/2015
QQQ market open trade, with 3X long/short QQQ ETFs as indicators 3 responses 30/08/2015
A Non-Convex Optimization Work Around/Avoiding Local Minima 3 responses 30/08/2015
New User - Looking to build strategy using VIX and VXV - Is it possible to get this daily data 3 responses 30/08/2015
Long only value momentum strategy with filter - first algo 9 responses 30/08/2015
How to execute an order with stop limit for 2 different stocks at the same time? no responses 30/08/2015
mean reverting excess returns (OLMAR idea) 7 responses 30/08/2015
Quantopian Toolbelt 1 response 29/08/2015
Leverage of 3X and Reg T 1 response 29/08/2015
Problems with Print Preview and PDF download in Research 2 responses 29/08/2015
data sources - backtesting vs. live trading? 9 responses 29/08/2015
Does rebalancing generally "work" ? 1 response 29/08/2015
Any help with why this is not trading? 5 responses 28/08/2015
quantopian release dates no responses 28/08/2015
Quantiopian Bug? works on research Vs fails on backtest 2 responses 28/08/2015
New Feature: before_trading_start Now Takes data Parameter 6 responses 28/08/2015
Backtest hanging 1 response 28/08/2015
Need help with calculating sector specific z-score 3 responses 28/08/2015
web response time? 5 responses 28/08/2015
How to get "1 hour" frequency in history(bar_count, frequency, field)? 5 responses 28/08/2015
RSI Strategy 9 responses 28/08/2015
Is daily rebalancing a valid strategy? 1 response 28/08/2015
talib documentation 1 response 27/08/2015
Notebook: All Fundamentals Database Fields 3 responses 27/08/2015
Std Dev of Price Difference - How to ? 2 responses 27/08/2015
How to create a simple rebalancer 3 responses 27/08/2015
How To: Buy security if price passes certain +% threshold from opening price or previous day's closing price no responses 27/08/2015
ETF intraday indicative values? no responses 27/08/2015
which algorithms did well during the aug 2015 correction? 52 responses 27/08/2015
Division on two positives gives negative ! 3 responses 27/08/2015
Daily Score Strategy no responses 27/08/2015
Congrats guys.... 1 response 27/08/2015
Cancel_orders is not working as expected 6 responses 26/08/2015
execution time out THEN too much time spend in handle_data call no responses 26/08/2015
Better contest algos if provided minute-by-minute price visualization in the backtest performance chart 1 response 26/08/2015
Question on get_fundamentals and history restrinctions 2 responses 26/08/2015
How to create function that returns "time since last crossover"? 15 responses 26/08/2015
Can the Community get a Forum? 5 responses 26/08/2015
new here - RSI/MACD inaccurate, how to test or fix? 9 responses 26/08/2015
Free data source for intraday ETP indicative values? 4 responses 26/08/2015
Time to run Backtest ? 1 response 26/08/2015
How do I add the SPY in addition to my filter so I can make comparison using the history function? 1 response 26/08/2015
I always get None for file_date or period_ending_date of earnings report 1 response 25/08/2015
Limiting Leverage When I Have Multiple Signals on Same Day no responses 25/08/2015
How to access history volume by time? 2 responses 25/08/2015
Order a Stock, then place a limit order ASAP 5 responses 25/08/2015
Fundamentals by last update 2 responses 25/08/2015
Maximizing Sharpe Ratio == Shorting Volatility 9 responses 25/08/2015
Looking for a hell of a programmer no responses 25/08/2015
strategy not working correctly buying and selling too much.Suggestions and improvisations welcome no responses 25/08/2015
Adding Indicators in Research 4 responses 25/08/2015
Why won't this print the stocks I queried? 1 response 25/08/2015
live trading algo error 12 responses 24/08/2015
How do different strategies handle days like August 24, 2015? no responses 24/08/2015
March Prize Algorithm Restart 41 responses 24/08/2015
New Feature: Comprehensive Backtest Analysis (pyfolio) 100 responses 24/08/2015
Contest Winners Results - Simon loses almost 5% today? 9 responses 24/08/2015
Symbols of stocks returned by Fundamental Query 3 responses 24/08/2015
Explanation of Daily Positions and Gains 12 responses 24/08/2015
Scheduled Functions For Market Open and Close Run At The Same Time, Throwing Off Backtests 2 responses 24/08/2015
https://www.quantopian.com/algorithm-builder 4 responses 24/08/2015
log control question 3 responses 24/08/2015
Best way for beginners to seek help 4 responses 24/08/2015
Pyfolio -- a New Python Library for Performance and Risk Analysis no responses 24/08/2015
How do I get the historical Beta of a stock? 3 responses 23/08/2015
Hedge with the VIX/VXV - Need Help 3 responses 23/08/2015
Trailing stop loss! 1 response 23/08/2015
Debugger window no responses 23/08/2015
Live trading data for futures 1 response 23/08/2015
predict tomorrow price with machine learning(sklearn) 3 responses 23/08/2015
Help needed for : Runtime exception: KeyError: Equity 1 response 23/08/2015
Optimization Issue: Too much time are spent in handle_call 10 responses 23/08/2015
dual_moving_average_with_cost 1 response 22/08/2015
What can you say me about this result? 6 responses 22/08/2015
First algorithm by MPL 1 response 22/08/2015
Certian candles touching bollinger bands 1 response 22/08/2015
Feature request : history frequency "1w" 3 responses 22/08/2015
Equity Long-Short 17 responses 22/08/2015
Morningstar portfolio with fundamental grades of A or B (Growth, Profit, and Financial Health) 1 response 21/08/2015
Value template long-only w/ trend filter 43 responses 21/08/2015
reuse code in different notebooks 3 responses 21/08/2015
TimeoutException Help no responses 21/08/2015
Backtests with Fundamentals are pausing during "Initializing", then never trading anything no responses 21/08/2015
How can fetch_csv data be used in back testing? no responses 21/08/2015
What's on your bookshelf? 10 responses 21/08/2015
Quantopian Broker Connection Services (?) agreement 3 responses 21/08/2015
March Winner Dropped From Contest? 2 responses 21/08/2015
Migrating an algo to Research 1 response 21/08/2015
Upcoming Contest 3 responses 21/08/2015
Help with live trading - Quantopian and IB platform 6 responses 21/08/2015
MAD Portfolio - Optimizer Problem 3 responses 21/08/2015
winning algo drops below $90K 51 responses 21/08/2015
Sharpe ratio of 36.69 on Leaderboard!!!!!!! 8 responses 20/08/2015
To run a backtest in research. 5 responses 20/08/2015
Unexpected zipline behavior - order doesn't fill if volume = 0 2 responses 20/08/2015
Happy 3rd Birthday to Our Community! 4 responses 20/08/2015
ascending vs descending in fundamental 1 response 20/08/2015
General question: Futures on sectors 3 responses 20/08/2015
order_target returns None 4 responses 20/08/2015
Multiple get_fundamentals or an 'OR' for adding fundamentals on individual securities 3 responses 20/08/2015
Using schedule_function every day BUT mondays. Possible? 7 responses 20/08/2015
It's all about that META: An idea to crowd-source the contest scoring system 5 responses 20/08/2015
Constant Rebalance Via Trigger - Simple Question 4 responses 19/08/2015
Warren Buffett Market Crash Predictions: The Chart 1 response 19/08/2015
Warren Buffett Market Crash Predictions no responses 19/08/2015
Contest winners - one month forward? 10 responses 19/08/2015
Explain 'volume' property 5 responses 19/08/2015
Contest results do not match backtest results? 6 responses 19/08/2015
Free Trading Books Raffle (by Better System Trader podcast) 2 responses 19/08/2015
Pair trading code problem 3 responses 19/08/2015
Why historical prices of SPY is different from Yahoo Finance? 2 responses 18/08/2015
pandas.set_option 4 responses 18/08/2015
Is Zipline compatible with Tick by Tick data with n levels ? 1 response 18/08/2015
Unable to correctly load data from csv file into zipline 1 response 18/08/2015
The Quantopian Lecture Series: Notebooks, Backtests, and Video Lectures. All in One Spot. 3 responses 18/08/2015
some questions about zipline 1 response 18/08/2015
Any walk-forward framework... 3 responses 18/08/2015
Backtesting framework unable 6 responses 18/08/2015
Ranking System Computations 3 responses 18/08/2015
Volatility Selling w/ Constant Proportion Portfolio Insurance 1 response 18/08/2015
Newby at Coding multiple strategies..MA and RSI.. 2 responses 18/08/2015
Development outside the scope of Quantopian 2 responses 18/08/2015
Why Backtest results in daily and minute mode are so different? 4 responses 18/08/2015
Converting an oscillator into an SMA? 5 responses 17/08/2015
Is it possible to get historical P/E with get_fundamentals? 3 responses 17/08/2015
How do I get this to return specific values? 1 response 17/08/2015
When is handle_data() called? 2 responses 17/08/2015
Replicating Private Equity Returns With Leveraged Small Value Stocks 4 responses 17/08/2015
Beneish Model: Probability of Accounting Manipulation 11 responses 17/08/2015
Dynamic values for symbol, symbols, and sid functions 1 response 17/08/2015
Help explaining the Sample Mean Reversion Algo? 1 response 17/08/2015
[Research] Is there a way to update universe inside an algo that is running? 2 responses 16/08/2015
Why isnt this fetching the VIX for me? 4 responses 16/08/2015
Get fundamental data for existing positions? 6 responses 16/08/2015
Possible to segment price action by ticks? 3 responses 15/08/2015
Why random portfolios appear to outperform benchmarks... 11 responses 15/08/2015
Long read: decline of information asymmetry no responses 15/08/2015
Research Lectures in pdf 1 response 15/08/2015
Is this the right way to execute loop and execute orders ? 2 responses 15/08/2015
Question about short selling no responses 14/08/2015
Aug 17th is the deadline to enter for the February Prize no responses 14/08/2015
SPY constant volatility w/ dynamic leverage (Quantapolis) 5 responses 14/08/2015
Trading 'WEAT' Based on Wheat Futures Commitment of Money Managers 3 responses 14/08/2015
re: Pair Trade using a Risk Factor Model - analysis of 260k pairs 1 response 13/08/2015
number of shares sold 1 response 13/08/2015
Statistics: Beware Lag in Correlations 2 responses 13/08/2015
VWAPBestEffort must start at least a minute after now -- why? 3 responses 13/08/2015
Research: is there a function to save a CSV file? 3 responses 13/08/2015
How do you combine multiple algos together? 2 responses 13/08/2015
Scaling contest score by out of sample duration 4 responses 13/08/2015
Noob question regarding orders no responses 13/08/2015
How do i access the values in my CSV? Right now nothing prints for current volume. no responses 13/08/2015
Why does Q Backtest trade on days when exchanges are closed? 3 responses 13/08/2015
Introductions 3 responses 12/08/2015
Quantapolis - Value Example (long-short) 4 responses 12/08/2015
Set universe/context as a custom benchmark 3 responses 12/08/2015
MAD Portfolio an alternative to Markowitz? 55 responses 12/08/2015
Thoughts on the Goldman announcement 20 responses 12/08/2015
help minimizing max drawdown and beta 5 responses 12/08/2015
Kalman Filter multiple Pairs Trading 6 responses 12/08/2015
some questions about the zipline source code 1 response 12/08/2015
Intraday Fetcher 5 responses 12/08/2015
No trades in a given minute and NaN values in history 1 response 12/08/2015
Algorithmic Trading for University project 4 responses 12/08/2015
zipline download 2 responses 12/08/2015
How do I save a CSV file online so I can fetch it? 1 response 11/08/2015
Accessing Index Constituents... 4 responses 11/08/2015
Integrating R code 4 responses 11/08/2015
I'm trying to check if RATIO is more than EMA_RATIO but throws me a logic error, any suggestions? 1 response 11/08/2015
Fundamentals in zipline ? 2 responses 11/08/2015
AttributeError: 'NoneType' object has no attribute 'get_history' 18 responses 11/08/2015
Who needs value?! Absurd strategy herein 7 responses 11/08/2015
ARMA problem 7 responses 11/08/2015
The best of algos (still just learning) 5 responses 11/08/2015
Not so bad... 2 responses 11/08/2015
Cannot use only one sid in context.stocks 1 response 11/08/2015
Upgrading seaborn library in Research environment 4 responses 10/08/2015
A puzzle 1 response 10/08/2015
Adapting an algorithm from working with one stock to working with many. 3 responses 10/08/2015
Index Fisher no responses 10/08/2015
Webinar Invite: Developing Your Trading Strategies on Quantopian 7 responses 10/08/2015
Is there any desire to create 'Seconds' data for the Quantopian community in the near future? 2 responses 10/08/2015
Is it possible to get the history only for specific stocks in ones universe? 1 response 10/08/2015
On ThinkOrSwim there all sorts of Indicator symbols that represent things like total new highs on the NYSE or percentage volume rising on the NASDAQ, is there any way to access that on Quantopian? 5 responses 10/08/2015
Comparing 1m and 1d price data 1 response 10/08/2015
How to use fetch_csv 1 response 10/08/2015
Purpose for Rebalancing 2 responses 10/08/2015
5 Year Analysts Future Growth Rate 4 responses 10/08/2015
WSJ article: "Quantopian pays users for the algorithms that perform best" 6 responses 10/08/2015
Leaving Quantopian 14 responses 10/08/2015
Request: little improvement to the code editor (Research and Algorithms) 1 response 10/08/2015
Clearly benchmarking the costs of short selling on Interactive Brokers 2 responses 10/08/2015
Quantopian hangs on "Authenticating with Interactive Brokers..." 3 responses 10/08/2015
Can you code this simple thing ? 3 responses 10/08/2015
Fundamentals help 8 responses 09/08/2015
Percentage of ETF 6 responses 09/08/2015
Writing simple algo 14 responses 09/08/2015
I want this algorithm to only run handle_data every 5 minutes, or at least only make trades every five minutes. How can I do this? 8 responses 09/08/2015
Nonsensical result from order_target_percent 3 responses 07/08/2015
When I list specific stocks this algorithm runs fine, but when i run it after I use a get_fundamentals filter to get the S&P500 I get an error any idea why? 4 responses 07/08/2015
Selecting ETFs 2 responses 07/08/2015
order_target_percent() creating unusual leverage. 3 responses 07/08/2015
Get the same performance on minute backtest as daily backtest 2 responses 07/08/2015
Problem with coding how much to order based on plausable investment 4 responses 07/08/2015
I'm trying to keep the cash positive and not be short any individual stocks, but to keep cash positive it ends up shorting one or multiple stocks. 1 response 07/08/2015
Research -- Morningstar data -- how much history is there? 3 responses 07/08/2015
Why is this algorithm still spending more money than I initialized if I set the leverage to one? 3 responses 06/08/2015
Is Volatility in Fed Sentiment a Useful Signal? no responses 06/08/2015
Spencer wins the July edition of the Quantopian Open! no responses 06/08/2015
ML library version update and new library request 7 responses 06/08/2015
How do I get this algorithm to make orders yet not just go crazy and over budget? 11 responses 06/08/2015
Stop loss not working 1 response 06/08/2015
calculating Talib.EMA over all stocks in Set_Universe? 1 response 05/08/2015
Does TSLA follow the Price of Gas? Yes. 9 responses 05/08/2015
Quantopian Open - Negative Max Drawdowns 3 responses 05/08/2015
Developing Your Trading Strategy on Quantopian: Live Webinar on August 11th at 12pm EDT 2 responses 05/08/2015
Beginner Trying to Program Complicated Code 2 responses 05/08/2015
Is it possible to possible to run a test based on stock performance on the entire S&P500, and order it based on performance? 1 response 05/08/2015
Monte-Carlo simulations of correlated portfolios -- the quest for uncorrelated return streams 4 responses 05/08/2015
Beta Constrained Markowitz Minimum Variance Portfolio 2 responses 05/08/2015
Parabolic SAR conditions 1 response 05/08/2015
Real name only policy to prevent multiple accounts 12 responses 05/08/2015
order_target_value question 1 response 05/08/2015
Why is my algorithm so volatile and why does it have so much leverage? 7 responses 04/08/2015
Weekly Price High 2 responses 04/08/2015
Multi Sector OLMAR Strategy 2 responses 04/08/2015
Does Federal Reserve Sentiment Predict Prices of Macro-Tracking ETFs? no responses 04/08/2015
Trading with the CNN Fear & Greed Index (Updated) 1 response 04/08/2015
Quantopian Live Webinar on August 6th: "You Don't Know How Wrong You Are - Part 2" no responses 04/08/2015
Fundamentals Query 1 response 04/08/2015
Contest Leaderboard : Clicking Download csv giving Something went wrong error? 4 responses 04/08/2015
None values in Net Assets 1 response 04/08/2015
style=StopLimitOrder and LimitOrder never trigger 1 response 03/08/2015
Trouble with 500 securities limit 2 responses 03/08/2015
How to store ratios for fundamental data. 1 response 03/08/2015
InvalidSidCount: 0019 2 responses 03/08/2015
Use function sqrt(), floor() in the algorithm 2 responses 03/08/2015
how to speed up my code 7 responses 03/08/2015
Hedging USD exposure no responses 03/08/2015
IB historical data download no responses 03/08/2015
How to buy in the last minute of the last trading day of the week? 6 responses 03/08/2015
Trouble with Time Resttictions on purchases 11 responses 02/08/2015
Leverage 6 responses 02/08/2015
Sharpest guy on the contest floor (July 2015) 9 responses 02/08/2015
does the data in handle_data() only represent the asset's price? 1 response 02/08/2015
Why does an order get processed and when can I see its fill price 1 response 02/08/2015
Hacking-google-finance-in-pre-market-trading 6 responses 02/08/2015
Wrong values of SPY returned 3 responses 02/08/2015
Quantitative finance blogs no responses 01/08/2015
Feature Request: Backtest Description and risk metric comparison 1 response 01/08/2015
What's wrong with my bar data values? 3 responses 31/07/2015
Mysterious Extra Orders in Backtest 2 responses 31/07/2015
using history() to calculate 60 and 20 minute moving averages 1 response 31/07/2015
buy at 4pm when stock opens down 8% or more 4 responses 31/07/2015
How to call the history method with all the bars ? 3 responses 31/07/2015
'Market On Open' orders / Poor Performance from Quantopian 3 responses 31/07/2015
I don't know any python, how Quantopian works, and I have a very basic knowledge of the financial markets 3 responses 31/07/2015
Seems like a bug in price data 1 response 31/07/2015
Anyone knows how IB paper trading works? how realistic is it? 2 responses 31/07/2015
"Waiting for logs...." forever in Live Trading - same problem for Quantopian live and IB paper trading 3 responses 31/07/2015
How to filter based on more than one Morningstar Fundamental "Grade"? 8 responses 30/07/2015
Strategy Advice using SVR 2 responses 30/07/2015
Multiple pairs trading algorithm 3 responses 30/07/2015
What stops Quantopian from providing Python 3 IDE? 2 responses 30/07/2015
Complete Noob, where to start? 4 responses 30/07/2015
Moving Average Algorithm 1 response 30/07/2015
Quantopian Live Webinar Today at 12pm EDT: "You Don't Know How Wrong You Are" no responses 30/07/2015
filter < doesn't work while filter > does 1 response 30/07/2015
SMA Crossover trading signal 15 responses 30/07/2015
Proposal to make git available and share code -> the terminal access 1 response 30/07/2015
Pair Trade with Cointegration and Mean-Reversion Tests 30 responses 30/07/2015
How can i get the time of market close? 1 response 30/07/2015
Add list of posts which you decided to 'listen' to profile 5 responses 29/07/2015
New to this whole thing 2 responses 29/07/2015
Any Hope for an Tradier API Intgration? 2 responses 29/07/2015
Need to buy/sell in backtest to recognize paper profits? 1 response 29/07/2015
Is 3D plotting possible in Quantopian Research? 8 responses 29/07/2015
How many orders is Quantopian handling through IB ? 3 responses 29/07/2015
To get fundamentals for top most liquid universe no responses 29/07/2015
Calculating Range for the last few days. 6 responses 29/07/2015
Pairs Trading Strategy incorporating regime switching based on volatility 2 responses 29/07/2015
Optimizing an algo to maximize contest score 10 responses 29/07/2015
What has Twitter (TWTR) and Dutch tulips in the 17th century got in common? no responses 29/07/2015
Confusing Results 3 responses 28/07/2015
Tracking Intraday Leverage 3 responses 28/07/2015
Error in IDE: RuntimeWarning: All-NaN axis encountered 1 response 28/07/2015
How to apply stochastic oscillator to all stocks in universe at once 5 responses 28/07/2015
fetch_csv() date details: Live Trading vs Back Testing 5 responses 28/07/2015
Keltners WIP 2 responses 28/07/2015
Request: record(...) for more than 5 time series 7 responses 28/07/2015
[Feature Request] Running SQL Queries on the Pricing Database from the Research Environment? 1 response 28/07/2015
Updating the MPO Blog Post 4 responses 28/07/2015
Odd result when querying fundamentals data by symbol 1 response 28/07/2015
Questions on "order_target_percent" 1 response 28/07/2015
Negative quantity of shares 2 responses 28/07/2015
Problem with Talib EMA and history no responses 28/07/2015
Find biggest position in your portfolio no responses 27/07/2015
Anybody have a solid code framework for tracking/confirming when multiple orders are completed when using Schedule_Function?? 3 responses 27/07/2015
Code/Mappings for fundamentals. 4 responses 27/07/2015
TALIB Key Errors 1 response 27/07/2015
feature request. a page listing the listening posts 2 responses 27/07/2015
UPDATE: Front Running S&P 500 Index Funds no responses 27/07/2015
TALIB ADX 9 responses 27/07/2015
Close position of a particular security and calculate the return 4 responses 27/07/2015
Can I calculate SMA on Sectors in the Before Trading Starts function? 2 responses 27/07/2015
Discrepancies in price data 2 responses 27/07/2015
Q-Tip: How many days since a higher high (or lower low)? 9 responses 26/07/2015
Perform sector neutral hedge 21 responses 26/07/2015
Paper Trading Algorithms 8 responses 26/07/2015
"RECORD" PROBLEM 4 responses 26/07/2015
Algo correlations 5 responses 26/07/2015
Trailing stop loss with multiple securities 10 responses 26/07/2015
How to map SID into Symbol in the Research environment? 8 responses 25/07/2015
To test a portfolio of strategies. no responses 25/07/2015
please help! Runtime exception: ValueError 4 responses 25/07/2015
how to get data from multiple columns in a csv without use of batch_transform? 2 responses 25/07/2015
Set_Universe, Calculate number of sids, Simple Question 4 responses 25/07/2015
How many different stocks should I be trading? 1 response 24/07/2015
Iterating Through Every SID to Screen all Stocks 8 responses 24/07/2015
Problem Running Zipline on Research Platform 9 responses 24/07/2015
Bad Leverage control (copied Earning Yield Algorithm) 3 responses 24/07/2015
Quantopian Live Webinar: "You Don't Know How Wrong You Are" on July 30th 12pm EDT 1 response 24/07/2015
Frankenstein algorithm 6 responses 24/07/2015
Design patterns: Dealing with more than 500+ stocks in total? Can you use fetch_csv outside of 'initialize'? 7 responses 24/07/2015
Split-Adjusted Prices Introduce A Look-Ahead Bias 28 responses 24/07/2015
Buying more securities than I have cash with macd sample code 1 response 24/07/2015
Stock ranking/screening Similar to Investor's Daily 4 responses 23/07/2015
Why there are current values in History() ? 3 responses 23/07/2015
Predictive Machine Learning Sentiment New/Blog Data for Retail Quants 11 responses 23/07/2015
Trading Strategy: Factor Ranking with Insider BUYS 4 responses 23/07/2015
WARN Logging limit exceeded; some messages discarded, why? 4 responses 23/07/2015
How to split context.stocks into two equal sized arrays ? 20 responses 23/07/2015
Russell 2000 - Statistical Arbitrage with Hedged Stock Pairs - Mean Reversion Strategy 12 responses 23/07/2015
How to make algorithm based on opening price 1 response 23/07/2015
why the close price is not match with the data from goole finance 1 response 23/07/2015
Debugging within the Research Environment 2 responses 23/07/2015
Sensitivity Analysis a.k.a. "Parameter Optimization" of Pair Trade Input Parameters 15 responses 23/07/2015
Retrieving Beta/Alpha of backtest 1 response 22/07/2015
KeyError help? 1 response 22/07/2015
What Stop-Loss Should I Use? An Analysis. 9 responses 22/07/2015
Facebook Return 6 responses 22/07/2015
Simple MA CrossOver 2 responses 22/07/2015
dont understand what get_fundamentals is returning / where are the docs? 2 responses 22/07/2015
OLMAR Sector Specific 3 responses 22/07/2015
August Contest Rules Update: New Prizes, Staying Hedged, Going Longer 27 responses 22/07/2015
How does order target percent on negatives work? 1 response 22/07/2015
ethereum, etherex, cryptocurrencies, etc. 3 responses 22/07/2015
Rewrite from MQL to TWS language no responses 21/07/2015
Fetcher issues 10 responses 21/07/2015
Range percentage for purchasing 1 response 21/07/2015
Liquidity for Fund Selection 2 responses 21/07/2015
Historical data issues 19 responses 21/07/2015
What price is used when buying or selling? 2 responses 21/07/2015
Issues with incremental cash use 6 responses 21/07/2015
Volume Imbalance? 3 responses 21/07/2015
Gebert-indicator 4 responses 20/07/2015
The returns are somewhat unexpected 3 responses 20/07/2015
why am i getting error update universe only allowed in before_start_trading function? seems nested to me? 5 responses 20/07/2015
Can Q share sample hedge fund performance? 7 responses 20/07/2015
What's the problem ? 14 responses 20/07/2015
Not able to connect to research.. since yesterday... 4 responses 20/07/2015
Example of prefilling data when using fetcher to warm up algo no responses 20/07/2015
KeyError with order_target_percent 4 responses 20/07/2015
OLMAR Backtest Results 1 response 20/07/2015
Not sure what's wrong with Algorithm 4 responses 20/07/2015
How to determine if two dates are the same? (To prevent closing a position on the same day as entry) 2 responses 19/07/2015
RSI Divergence Strategy 3 responses 19/07/2015
Logical invest's maximum yield rotation 5 responses 19/07/2015
Missing split adjustment? 4 responses 19/07/2015
Vertical spread trading strategy 2 responses 19/07/2015
Trailing stop 6 responses 19/07/2015
[suggestion] get_environment() = 'research' for Research Environment 1 response 19/07/2015
get_backtest() fuction 4 responses 19/07/2015
Unexplained Leverage 2 responses 19/07/2015
A Few Questions on Short Selling and Sell Orders 12 responses 18/07/2015
How to get historical price between two dates? 3 responses 18/07/2015
backtest 1 3 responses 18/07/2015
Using Fetcher... 1 response 18/07/2015
Possible Beta Calculation Discrepancy? 2 responses 18/07/2015
Quantopian backtest speed - does it vary by time of day, etc.? 4 responses 18/07/2015
August Rule Updates? 7 responses 18/07/2015
Plea for help 4 responses 18/07/2015
Simple Basic question?... 6 responses 18/07/2015
Limit order size to percent of volume 1 response 17/07/2015
Simple Machine Learning Example Mk II 44 responses 17/07/2015
Selecting stocks 1 response 17/07/2015
[Bug Fix] Anomalous dividends in long-running backtests 1 response 17/07/2015
[Request] Add anchors to live trading algorithms table 2 responses 17/07/2015
Monte Carlo simulation of theoretical algos 11 responses 17/07/2015
[research environment] Logging in the research environment 2 responses 17/07/2015
data in Research still getting erased?? 5 responses 17/07/2015
Tips for writing robust algorithms for the hedge fund 21 responses 16/07/2015
Using Fetcher to load Pairs Data 3 responses 16/07/2015
Entire order not executing 1 response 16/07/2015
Front Running S&P 500 Index Funds 7 responses 16/07/2015
Stop orders don't show up in the live trading dashboard? 4 responses 16/07/2015
Clone-able Research Notebook Comparing Acquirer's Multiple and Magic Formula 1 response 16/07/2015
Sample Talib Macd 1 response 16/07/2015
Any interest in a Quantopian chat room (i.e. IRC)? 9 responses 16/07/2015
[Research CLONABLE] Do you want parameter optimization? Click here to get started. [Heat Maps included] 10 responses 16/07/2015
52 Week High/Low Long/Short 8 responses 16/07/2015
If someone could fix this while I sleep I will be eternally grateful 1 response 16/07/2015
Basic performance stats 3 responses 16/07/2015
fetch_csv API question 12 responses 16/07/2015
list of all community forum posts to which I'm subscribed? 1 response 16/07/2015
Fetching Multiple Stocks From Quandl or multiple CSV from different source is that possible?? no responses 16/07/2015
Quantopian Robinhood? 18 responses 16/07/2015
Selling a Stock after MACD met a Threshold 2 Minutes in a Row no responses 16/07/2015
help w/ KeyError on BWS_WI 1 response 16/07/2015
Why did my Algorithm Behave so Differently between Minute and Day data? 3 responses 16/07/2015
Sector Rotation ETF Strategy 8 responses 15/07/2015
Possible ways of structuring multiple IB accounts for separate algos and/or family no responses 15/07/2015
how do I select stock based on percent increase 3 responses 15/07/2015
Iterating over price data? 2 responses 15/07/2015
Distribution of Variance in Trade Volume is Log-Normal no responses 15/07/2015
Frustration Elimination Request: Add the ability to download log output as a file 3 responses 15/07/2015
How is MACD calculated? 1 response 15/07/2015
Running Algorithm Inside of For Loops to Optimize parameters 2 responses 15/07/2015
CLONE from "In Search of Distress Risk", John Campbell, Jens Hilscher, and Jan Szilagyi " updated version" but different results... 3 responses 15/07/2015
Can we get Shared Backtest in Research? 1 response 15/07/2015
Best way to find community shared algorithms? 2 responses 15/07/2015
How to get the low price, closing price, and high price of a given week? 5 responses 15/07/2015
zipline with non-US equities 10 responses 14/07/2015
Good and Bad Baskets as criteria for long/short positions. Repeat transaction problem 2 responses 14/07/2015
First attempt at a trading algorithm. 1 response 14/07/2015
China or Greece: What Matters More for U.S. Markets? 7 responses 14/07/2015
Contest Stats Stale 1 response 14/07/2015
Searching for Bond ETF's 1 response 14/07/2015
How to create baskets of stocks for differential treatment 2 responses 14/07/2015
great posts for people building complex multi dimensional trading models: 1 response 14/07/2015
Runtime error 5 responses 14/07/2015
Exiting at opening price greater than my entry price or stop out after 2.5% loss 8 responses 14/07/2015
Hello! I have some problems with my code, that I'd like help on understanding. 2 responses 13/07/2015
NYC Quant Meetup Tomorrow: free food & drinks for a great cause! no responses 13/07/2015
Modifying orders? 4 responses 13/07/2015
Best "risk-off" assets? 16 responses 13/07/2015
Live trading performance bug 3 responses 13/07/2015
How do I add a comment to an existing post? Thanks! 1 response 13/07/2015
Convert a list of stock symbols to sid - algo 2 responses 13/07/2015
minute order bug 3 responses 13/07/2015
Campbell, Hilscher, Szilagyi (CHS) Model - Probability of corporate failure - Update Version 7 responses 13/07/2015
Only Trading One Stock 3 responses 13/07/2015
Help 2 responses 13/07/2015
Symbol List of All S&P 500 Companies 7 responses 13/07/2015
For contest scoring, why does volatility matter if we already have Sharpe? 5 responses 12/07/2015
New to quantopian-quick question 2 responses 12/07/2015
Dual momentum now goes to cash if everything is down no responses 12/07/2015
Get trailing array of OHLC data? 1 response 12/07/2015
reverse scale trading algorithm 8 responses 12/07/2015
function like "history", but for fetch_csv data? 13 responses 12/07/2015
My First Tearsheet - Low vol / constant growth strategy 7 responses 12/07/2015
Load data from external source and place it on context as is 2 responses 12/07/2015
Stock Universe CSVs 4 responses 11/07/2015
Stock Universe 4 responses 11/07/2015
Bollinger Band Algo 1 response 11/07/2015
Experiments with GEM and Dual Momemtum 3 responses 11/07/2015
RSI and MA model 6 responses 11/07/2015
What is the symbol of nasdaq composite 2 responses 11/07/2015
Get_Fundamentals Error 3 responses 11/07/2015
How do use ATR calculaton on intraday algo 2 responses 10/07/2015
Value Added by Employee as a Trading Signal no responses 10/07/2015
New to the community - Few very simple questions 7 responses 10/07/2015
Quantopian Live Webinar: "The Good, the Bad, and the Correlated" on July 16th at 12pm EDT no responses 10/07/2015
IDE / Research Environment Incompatibility - symbols() 2 responses 10/07/2015
Can the log window be maximized to full screen? 7 responses 10/07/2015
Why is there a trade on 1/1/2015? 2 responses 10/07/2015
error that I cannot solve 3 responses 10/07/2015
How to get top losers using set_universe function 1 response 10/07/2015
Contest beta is N/A, why is that? 6 responses 10/07/2015
Research Cheat Sheet: easily move between the IDE and Research 5 responses 09/07/2015
For Hedge Funds: Accern Alpha Stream News and Blog Algorithms and Data Samples 8 responses 09/07/2015
What 's wrong with my end of day syntax? 3 responses 09/07/2015
Question on the adfuller bug. no responses 09/07/2015
Update to Fundamental Database no responses 09/07/2015
for the VolaLovers: TradingTheOdds vxx-xiv strategy 7 responses 09/07/2015
Quantopian India meetup 11 responses 09/07/2015
Indian Residents trading in Live Market using IB and Quantopian 2 responses 09/07/2015
Accessing amazon AWS S3 buckets no responses 09/07/2015
Minute backtest in reasearch 2 responses 09/07/2015
Why set_universe contains the leveraged EFT's? 8 responses 09/07/2015
Setting Universe to S&P 500 stocks using Fetcher 8 responses 09/07/2015
How to make sure your contest algo is hedged 10 responses 08/07/2015
Going live on IB with this algo.. any advice? 10 responses 08/07/2015
Congratulations to June contest winner - Michael Van Kleeck 7 responses 08/07/2015
Campbell, Hilscher, Szilagyi (CHS) Model - Probability of corporate failure 53 responses 08/07/2015
Is it possibly to dynamically change the universe of stocks no responses 08/07/2015
Simulating S&P 500, Russell 1000, Russell 3000 in Research 23 responses 08/07/2015
Implementation of the Probability of Bankruptcy by Campbell, Hilscher and Szilagyi (also described in the book "Quantitative Value") 3 responses 08/07/2015
G 1 response 08/07/2015
Standard Deviation of a Pair 1 response 08/07/2015
SYSTEMS DOWN? 6 responses 08/07/2015
Help Ranking stocks using TALIB functions 2 responses 08/07/2015
Limit Order no responses 08/07/2015
Commission on trades 1 response 07/07/2015
IB Pricing and Commission structure with Quantopian 1 response 07/07/2015
Cannot Access Elements of A List - I can only get the first and last elements 1 response 07/07/2015
A faster backtest? 2 responses 07/07/2015
My attempt at Natural Gas trading algo 24 responses 07/07/2015
"The Art of Not Following the Market" Live Webinar on July 9th at 12pm ET 2 responses 07/07/2015
[Feature Request] Naming your Backtests 6 responses 07/07/2015
How can I set equal weights for DollarVolumeUniverse? 1 response 07/07/2015
How to export data as a csv 1 response 07/07/2015
Shorting requirement for contest? 1 response 07/07/2015
The gains on the daily P&L don't tie to the positions value at the end of the next day no responses 07/07/2015
How do I get the history for a stock not in my universe? 3 responses 07/07/2015
Gap Up/Down Strategy 4 responses 07/07/2015
Previous price (1-5 minute before current) 2 responses 06/07/2015
Execution Algos 2 responses 06/07/2015
Time Management for Orders 2 responses 06/07/2015
Is there a risk management layer planned for Hedge Fund ? 1 response 06/07/2015
Is the backtest IEX Order Routing price data different? 2 responses 06/07/2015
Creating buy low sell high strategy 7 responses 06/07/2015
Help & Feedback on Basic Algo 2 responses 06/07/2015
Attempt 1 for Tuesday no responses 06/07/2015
What are major syntax errors in Quantopian?Multiple filters 1 response 05/07/2015
Generic Feedback for values 4 responses 05/07/2015
Beta to SPY 10 responses 05/07/2015
Percent range slippage model -- USE order.amount - order.filled 2 responses 05/07/2015
Incorrect Prices? 5 responses 05/07/2015
Keyerror: Help 8 responses 05/07/2015
Spurious NaNs in history() 2 responses 05/07/2015
Why SVM does't work here? 2 responses 04/07/2015
Creating slippage models which need to be calibrated? 2 responses 04/07/2015
order_percent Still spending more than portfolio has! 1 response 04/07/2015
Security.security_name -> asset_name ? 4 responses 03/07/2015
Looking for a Golden Cross/Death Cross Algo 2 responses 03/07/2015
Data/Pricing error in contest submission 1 response 03/07/2015
[research question] Security replaced by Asset? 8 responses 03/07/2015
New to this, selling without owning? 5 responses 03/07/2015
fetch_csv - accessing previous day's fetched data 4 responses 03/07/2015
Got Lucky and Unlucky at the same time . . . 3 responses 03/07/2015
Check USD balance 5 responses 03/07/2015
[Research Question] Shifting time axis for a series 1 response 02/07/2015
Can I trade currency with Quantopian? 1 response 02/07/2015
July Contest Entry says "In Review" still but is currently live trading no responses 02/07/2015
Is there a reliable way to exclude "when-issued" securities from fundamentals screens? 6 responses 02/07/2015
How does the backtester calculate Sharpe Ratio ? 2 responses 02/07/2015
Reconcile daily positions and gains and the total returns - please help 1 response 02/07/2015
Feature Request: before_trading_start/after_trading_end events 19 responses 02/07/2015
Unable to find executed price of buy order in SHORT Trade. no responses 02/07/2015
research environment feature requests 2 responses 02/07/2015
Transaction cost problem ! no responses 02/07/2015
First Build no responses 01/07/2015
Restarting a live-trading IB algo 3 responses 01/07/2015
Replacing cash with Bonds 5 responses 01/07/2015
Research environment returns() method 4 responses 01/07/2015
Only minor difference in total return between SMA and EMA crossover algorithm 10 responses 01/07/2015
Feature Requests: Listening 1 response 01/07/2015
Exponential moving average crossover!! HELP 5 responses 01/07/2015
Question on how to write this part of my trading strategy.... 1 response 01/07/2015
Feature request: Backtest dump in csv 1 response 01/07/2015
How to get 90 day moving average in minute mode? 5 responses 01/07/2015
Confusion regarding zipline functions in research environment and local, stand-alone notebook 15 responses 01/07/2015
ICA on stock prices instead of returns no responses 01/07/2015
What is the problem with this code 2 responses 01/07/2015
Meb Fabers' 3-Way system 9 responses 01/07/2015
Quantopian Open, Final June Leaderboard is Delayed 7 responses 01/07/2015
Help with back test - dividend inflow / outflow 3 responses 30/06/2015
Referencing past trades in an algorithm. 2 responses 30/06/2015
Another scoring bug? Different risk-free rates for each algo 2 responses 30/06/2015
New to backtesting in python here, quick question 6 responses 30/06/2015
Need help to under API --- order(stock_symbol, amount) 3 responses 30/06/2015
June leaderboard scoring bug? 7 responses 30/06/2015
Simple tutorial for quantopian? 2 responses 30/06/2015
Why consistency score is flawed 1 response 30/06/2015
Why test data only back to 2002? 2 responses 30/06/2015
Stop Loss and Buy Stop Questions 1 response 30/06/2015
questions re: VWAPBestEffort 1 response 30/06/2015
Accessing dataframe of CSV from quandl 2 responses 30/06/2015
Where are reason for Disqualification ? 1 response 30/06/2015
Leadership board 1 response 29/06/2015
Historical Constituents of S&P Index? (or other indexes: Nasdaq, Dow, etc.) 8 responses 29/06/2015
How to easily convert symbols to sids 5 responses 29/06/2015
ex-dividend date and P/L 2 responses 29/06/2015
Defunct symbols - only "Something went wrong" 4 responses 29/06/2015
My algo dropped but sharpe went up today? How is that possible? 6 responses 29/06/2015
why are the log output and transaction details very different ??? 1 response 29/06/2015
Does Quantopian have this features..? 1 response 29/06/2015
Long/Short Cross-Sectional Momentum 11 responses 29/06/2015
symbols -> SyntaxError: more than 255 arguments no responses 28/06/2015
What object does get_fundamentals return and how can I make one from a Q Security Object? 2 responses 28/06/2015
Need help debugging the error. Appreciate any help 4 responses 28/06/2015
Multi series of securites 3 responses 28/06/2015
TAlib's AROON doesn't seem to be working 1 response 28/06/2015
What about VXUP/VXDN? 1 response 28/06/2015
Can Quantopian be a marketplace connecting investors and algo writers ? 4 responses 27/06/2015
IDE Tip: CTRL/CMD click for multi-cursor editing 3 responses 27/06/2015
average daily volume 2 responses 26/06/2015
How do you test a customized portfolio of stocks? 2 responses 26/06/2015
An experiment with independent component analysis 5 responses 26/06/2015
Differences in stock info between Daily and Minute 2 responses 26/06/2015
First Working Algo of My Own 5 responses 26/06/2015
Resolved:trouble with OBV 1 response 26/06/2015
Look Back For Max High/Low Within A Certain # Of Days 4 responses 25/06/2015
conclusion: no ETF's in morningstar data. Prev title: List of ETF's from morningstar (or anywhere?) 5 responses 25/06/2015
Very large order in thinly traded securities. 1 response 25/06/2015
Data Snooping Bias Reminder no responses 25/06/2015
Getting data in Quantopian Research Notebook using Quandl 4 responses 25/06/2015
Serious bug with monthly rebalance? 7 responses 25/06/2015
reset contest algorithm? 1 response 25/06/2015
Data Input 1 response 25/06/2015
Fundamental Analysis 1 response 24/06/2015
order_target_percent(stock, 0) can cause unexpected consequence - short position 8 responses 24/06/2015
How can you compare variables different times? 3 responses 24/06/2015
What Quantopian use as approximation of risk-free return to calculate Sharpe Ratio ? 13 responses 24/06/2015
Seems to be something wrong with data 2 responses 24/06/2015
How can I access past dates in CSV file. 1 response 24/06/2015
Rolling mean range of intraday cross-section no responses 24/06/2015
Working Efficiently in the Quantopian IDE 1 response 23/06/2015
Resample and Indicators 5 responses 23/06/2015
Only one transaction, Need help re-balancing algorithm 6 responses 23/06/2015
Relative Value or Market Neutral no responses 23/06/2015
Correlation 1 response 23/06/2015
locals() is rejected. 1 response 23/06/2015
Need help in finding the quantity. 3 responses 23/06/2015
Need list of S&P 500 stocks 3 responses 23/06/2015
Discrepancies in prices from Yahoo finances and price from Q 2 responses 23/06/2015
The sid(id) method takes one parameter. 1 response 23/06/2015
Number of shares purchased 4 responses 23/06/2015
Intraday Average Range by Time of Day 7 responses 23/06/2015
backtester output 7 responses 23/06/2015
Having Problems with Fetcher and Python =( 1 response 22/06/2015
Can anyone explain my low consistency calculation? 1 response 22/06/2015
Bug in consistency score? 11 responses 22/06/2015
Combining Multiple Strategies 11 responses 22/06/2015
Live Webinar on 6/24/15 at 9am EDT - Crowd-sourced Alpha: The Search for the Holy Grail of Investing no responses 22/06/2015
Useful paper on mean reversion and optimisation no responses 22/06/2015
Trading costs and taxes no responses 22/06/2015
Borrow Costs & Stock to Borrow 4 responses 22/06/2015
Seeking Feedback on Trading based on Sentiment Analysis + Intro 13 responses 21/06/2015
Using PCA to trade a Long/Short basket 4 responses 21/06/2015
Thrustable algorithm for Trading? Does anyone... 2 responses 21/06/2015
Pandas query on finding position in history 2 responses 21/06/2015
testidor 3 responses 21/06/2015
Refering to indicators from previous bars 1 response 21/06/2015
MAx drawdown 8% in 2007-2009 period and 235% return in 10yrs 1 response 21/06/2015
How much sharpe ratio is good for algo ? no responses 21/06/2015
About the Quantopian Open Contest 1 response 21/06/2015
resources to help rookies?? 4 responses 21/06/2015
RSI in dynamics? 6 responses 20/06/2015
Is there an easy way to blacklist a stock? 4 responses 20/06/2015
How to select stocks Dynamicly 4 responses 20/06/2015
How does Quantopian calculate sharpe? 8 responses 20/06/2015
Applying TA-Lib BBANDS to a DataFrame 1 response 20/06/2015
pe_ratio data is not right? 11 responses 19/06/2015
Backtester details and lookahead bias 12 responses 19/06/2015
Limiting Leverage 5 responses 19/06/2015
More competition in the space! 14 responses 19/06/2015
How do refer to previous days in algorithm 5 responses 19/06/2015
Why orders can't be placed in before_trading_start method? 4 responses 19/06/2015
Seasonal + Value 5 responses 19/06/2015
Relative Strength and Absolute Momentum 7 responses 18/06/2015
Meb Faber's Ivy Portfolio 4 responses 18/06/2015
fetcher and schedule_function 4 responses 18/06/2015
Absolute & Relative Momentum 5 responses 18/06/2015
get_fundamentals returns empty in live trading 2 responses 18/06/2015
Basket Sma Algo: Simple Question, Thanks 2 responses 18/06/2015
Where is my 3rd entry for July? 6 responses 18/06/2015
Funding for algo trade 2 responses 18/06/2015
Live Webinar TODAY at 2pm EDT - Crowd-sourced Alpha: The Search for the Holy Grail of Investing 7 responses 18/06/2015
Tradable instruments 1 response 18/06/2015
Steady Vol (inspired by Jake and John Orford) 11 responses 18/06/2015
Tearsheet Analysis of Algo Performance in our Research Environment 47 responses 17/06/2015
Question on using history() to calculate percentage change 7 responses 17/06/2015
60 Day Best Performer (with History Function) 6 responses 17/06/2015
How to view truncated result in debug panel? 1 response 17/06/2015
Seasonal Algo 20 responses 17/06/2015
News sentiment data for commodities 2 responses 17/06/2015
Quantopian is down 3 responses 17/06/2015
O'Shaugnessy "What works on wall street" 23 responses 17/06/2015
Bio-Tech Trading Ideas 1 response 16/06/2015
Historical Simple Moving Averages 3 responses 16/06/2015
Volume and Moving Average Model 1 response 16/06/2015
GiTHub no responses 16/06/2015
Retrieve order history info 2 responses 16/06/2015
Got funding for Algo Trade 15 responses 16/06/2015
Dataframe help 4 responses 16/06/2015
A nice cheat sheet for new python developers... 1 response 15/06/2015
Live Webinar on 6/18/15 at 2pm ET - Crowd-sourced Alpha: The Search for the Holy Grail of Investing 4 responses 15/06/2015
Feature request: security universe with constantly updated S&P500 9 responses 15/06/2015
The efficient frontier: Markowitz portfolio optimization using cvxopt (repost; cloning of NB now enabled) 18 responses 15/06/2015
questions on volatility index 18 responses 15/06/2015
Need Help with Open Orders 2 responses 15/06/2015
Need guidelines on backtesting 2 responses 15/06/2015
Issue with StopOrder 1 response 14/06/2015
Handling company acquisition 10 responses 14/06/2015
First Pass Please Help 5 responses 13/06/2015
clonable notebook example - looping over all Quantopian securities 2 responses 13/06/2015
First Basic Testing Method (3% above average plus 30 day market activity) 2 responses 13/06/2015
Different results for daily and per minute backtesting - for an algorithm that trades only once per month? 3 responses 13/06/2015
cloned and tested no responses 13/06/2015
Trailing 5-year average Return on Invested Capital 1 response 13/06/2015
Thalesians NYC - Tim Leung - Exchange-Traded Funds and Related Trading Strategies 1 response 13/06/2015
research notebook clone test no responses 12/06/2015
Finding the best moving averages (now with cloning) 2 responses 12/06/2015
Update: Pairs Trading Notebook (now with cloning) 3 responses 12/06/2015
Update statarb using PCA (now with cloning) 2 responses 12/06/2015
Futures are coming to Quantopian 67 responses 12/06/2015
New Days Data 3 responses 12/06/2015
To get Executed price. 3 responses 12/06/2015
More Affordable Brokers for Q Users 8 responses 12/06/2015
How do I implement "Wait" part? 7 responses 12/06/2015
Feature Request: Combining multiple algos into a single backtest 2 responses 12/06/2015
Searching a Universe 7 responses 12/06/2015
How to find the "beta" of individual stocks? 5 responses 12/06/2015
Looking for book suggestions 7 responses 12/06/2015
Debugging anomalous dividends? 14 responses 12/06/2015
Withdraw or add cash 3 responses 12/06/2015
Tracking paid dividends 2 responses 11/06/2015
Beginner (15 and 30-day cross MA model) 1 response 11/06/2015
Hoping I'm on to something here. What do you guys think? 3 responses 11/06/2015
What looks to be an excellent class on trading systems development! 10 responses 11/06/2015
Female CEOs - A Sector Neutral Version - It's clone-able! no responses 11/06/2015
Passive funds are better then active? 1 response 11/06/2015
Unable to acess the dictionary with time key values. 6 responses 11/06/2015
Support for Korean Market? 3 responses 11/06/2015
Bug in live trader, wrong closing price statistics. 4 responses 10/06/2015
Stress Testing Algorithms? 3 responses 10/06/2015
[feature request] Compare backtests 4 responses 10/06/2015
Tying variables to stocks 3 responses 10/06/2015
Why no leveraged ETFs on the contest - Can this be relaxed down the line? 5 responses 10/06/2015
Where is the bug ? 466246.84% return . . ! 6 responses 10/06/2015
Newbie question: Any Quantopian freelancers out there? 1 response 10/06/2015
my [original] account gives a 500 on all pages..... 13 responses 10/06/2015
ATR Issues 2 responses 10/06/2015
Feature request: get_slippage 4 responses 09/06/2015
Leaderboard 2 responses 09/06/2015
Feature request: get_commission 3 responses 09/06/2015
contest leaderboard bug fixed no responses 09/06/2015
OHLC and volume values inside one minute 2 responses 09/06/2015
Building a Long/Short Value Investing Strategy: Acquirer's Multiple with SPY hedge 2 responses 09/06/2015
--- Error Execution timeout. 6 responses 09/06/2015
why still hedging with bonds? how do you hedge when shorting is out? 3 responses 09/06/2015
Selling all of a stock not completing. Bug? 2 responses 09/06/2015
Question for Contest Winners - Tips/Strategies that work 4 responses 08/06/2015
Feature Request - IB Managed Accounts 30 responses 08/06/2015
Diversification is for idiots? 3 responses 08/06/2015
Cross Moving average of the protfolio returns 1 response 08/06/2015
How could the ranking be improved? 7 responses 08/06/2015
Is it possible to use custom indicators with Quantopian and store and download indicator values? 1 response 08/06/2015
Finding the best moving averages (now with 2012 testing period) 17 responses 08/06/2015
Concise algo all in one 11 responses 08/06/2015
Anyone interested in coding this strategy? 12 responses 07/06/2015
Newbie need help. 6 responses 07/06/2015
Handful of Questions for New User 4 responses 07/06/2015
Difference between research platform and back tester 2 responses 07/06/2015
Head and shoulders no responses 07/06/2015
Newbie, this site is kind of a mindf*** 2 responses 07/06/2015
Current price vs. last price 4 responses 07/06/2015
Quantopian paid managers program 11 responses 07/06/2015
Leverage Space Implementation no responses 06/06/2015
Finding the best moving averages (short, long) for cross-over trading strategy 13 responses 06/06/2015
Good idea, but doesn't seem to work 3 responses 06/06/2015
Just Curious! 2 responses 06/06/2015
Anomalous appearance of cash during backtest. 8 responses 06/06/2015
Portfolio Weights - Comparing OLPS algorithms on a diversified set of ETFs 1 response 06/06/2015
RSI not matching when there is a stock split 1 response 06/06/2015
Q-Tip: Relative Volume = (Today's Volume) / (Average Volume) no responses 05/06/2015
Beginner 1 response 05/06/2015
On the stock market, nobody knows I'm a dog. How am I going into debt? 6 responses 05/06/2015
ZipLine (KeyError: 'AAPL') no responses 05/06/2015
Updated statarb using PCA no responses 05/06/2015
Statistical arbitrage on returns using PCA 14 responses 05/06/2015
Negative cash flow getting through fcf filters? 4 responses 05/06/2015
Feature request: personal common code file 8 responses 05/06/2015
How do I share a notebook from research platform with community for discussion? 3 responses 05/06/2015
Feature request: Plotting in debug window no responses 05/06/2015
fundamental data in research platform 6 responses 05/06/2015
Should I give priority to sharpe or alpha? 7 responses 05/06/2015
Need help on back testing 25 most popular quantopian algorithm 5 responses 04/06/2015
Quantopian vs QuantConnect 24 responses 04/06/2015
What can I conclude from the Winners live performance ? 16 responses 04/06/2015
Stock Equity Historical Price Database 2 responses 04/06/2015
Are there any plans to improve speed of backtester? 32 responses 04/06/2015
Momentum Strategy: zscore/sine wave 7 responses 04/06/2015
How to buy only one stock from stock universe 1 response 04/06/2015
Swing/ Day trade algorithm 4 responses 04/06/2015
Ascending Channel Identification? 1 response 04/06/2015
UPRO Prices in history() not split adjusted 8 responses 03/06/2015
test 3 responses 03/06/2015
Import different python libraries into IDE 18 responses 03/06/2015
I am being impersonated! Beware personal messages alleged to come from Simon Thornington. 3 responses 03/06/2015
Crowd sourced help docs 1 response 03/06/2015
Feature request: Provide the ability to schedule multiple backtests with different parameters 16 responses 03/06/2015
crowd representation on Quantopian board of directors? 5 responses 03/06/2015
dealing with securities that expire? 12 responses 03/06/2015
Integrating lots of algorithms into one portfolio 2 responses 03/06/2015
Difference in June and July rankings 2 responses 03/06/2015
strange fill times on paper trade (are these UTC times?) 2 responses 03/06/2015
Mixture of Gaussians and Pymc3 3 responses 02/06/2015
A Carry Strategy with Portfolio Optimization 9 responses 02/06/2015
Value Momentum Strategy 25 responses 02/06/2015
Do I need to save my code in the Quantopian server? 16 responses 02/06/2015
Validation of Quantopian backtester no responses 02/06/2015
Fractal index: the power tool that try to defeat S&P 5 responses 02/06/2015
Beta calculation code. what is best, Standard, log or returns? 5 responses 02/06/2015
How do I clone my own algorithm? 6 responses 02/06/2015
pymc on Quantopian / the research platform ? 3 responses 02/06/2015
Storing Daily Results 3 responses 02/06/2015
Gamed / backtest overfitting algos in the contest? 10 responses 02/06/2015
Pairs Trading with Error Correction Model no responses 02/06/2015
Performance difference between daily and minute backtest - Need help understanding why 6 responses 02/06/2015
Contest has become very competitive 19 responses 01/06/2015
Idea for a Natural Gas trading algo 2 responses 01/06/2015
Buy/Sell MA30 2 responses 01/06/2015
Fetch SPY INDEX (INDEXCBOE:SPX)? no responses 01/06/2015
Help needed 13 responses 01/06/2015
May/June leaderboard inconsistencies complicate stop/start decisions 7 responses 01/06/2015
# of Trading Instruments for the Contest Winners 4 responses 31/05/2015
Fundamentals Time Period? 7 responses 31/05/2015
Weird behaviour of StopLoss 7 responses 31/05/2015
Buying negative shares and selling positive shares? 7 responses 31/05/2015
More Organised ? 9 responses 31/05/2015
Why is my leverage exceeding 1? Please help 3 responses 31/05/2015
I have an idea for options trading, who can do it? 6 responses 31/05/2015
Anomalous behavior in initialize() regarding datetimes 9 responses 30/05/2015
Cant access fetcher data no responses 30/05/2015
What is wrong with this code? 1 response 30/05/2015
Question on porting workflow: (Zipline in Jupyter) -> (web IDE) 1 response 30/05/2015
How do you develop your Quantopian algos 12 responses 30/05/2015
maximize sharpe 11 responses 30/05/2015
Order behavior 1 response 30/05/2015
help importing collections->namedtuple 2 responses 30/05/2015
June Leaderboard Updated 4 responses 29/05/2015
Issue - Buy/Sell based on MA30 2 responses 29/05/2015
Long short portfolio optimization 5 responses 29/05/2015
Momentum Indicators 3 responses 29/05/2015
my first backest using mavg of 5 2 responses 29/05/2015
Modified Piotroski score on ev/ebitda sort 13 responses 28/05/2015
Stuck trying to backtest with minute-level resolution 2 responses 28/05/2015
Any Prop Firms Using Quantopian ? 6 responses 28/05/2015
Experience with Technical Analysis Portfolios? 1 response 28/05/2015
Lookup stock by common name? 1 response 28/05/2015
Improved Search Features 2 responses 28/05/2015
Are there any open resources for learning algo trading? 2 responses 28/05/2015
Mapping quantopian symbols from CSV file no responses 28/05/2015
Match sid of stocks available in quantopian with csv imported 4 responses 28/05/2015
Incorrect price data on CDII? 4 responses 28/05/2015
Getting error "Markowitz portfolio optimization in Python" 3 responses 28/05/2015
How do you keep your leverage under 3 to make your algorithm legible for the contest 2 responses 27/05/2015
Is there an API for Weighted Moving average? 3 responses 27/05/2015
Global Market Rotation Strategy - Easy to implement for high returns 1 response 27/05/2015
need help ranking stocks 3 responses 27/05/2015
HELP, COLLEGE FRESHMEN, WITH A GREAT DESIRE TO LEARN 1 response 27/05/2015
morning star quantitative research ratios 1 response 27/05/2015
Dividend payment dates payments 3 responses 26/05/2015
EV/EBITDA Value, then momentum 26 responses 26/05/2015
Issuing email notifications from within Quantopian 3 responses 26/05/2015
rank stocks on fundamental scores 3 responses 26/05/2015
Command Line Program - IB API 3 responses 26/05/2015
Median Reversion Strategy for On-Line Portfolio Selection 6 responses 26/05/2015
Is it possible to use Fetcher to fetch from yahoo for backtest and paper test? 6 responses 26/05/2015
How to get a list of daily "Top Gainers" 7 responses 26/05/2015
Back-test error 1 response 26/05/2015
Getting Fundamentals data for a specific date 2 responses 25/05/2015
Record/Display a Signal no responses 25/05/2015
Simple Moving Average Indicator to Buy or Short 4 responses 25/05/2015
Suggestion for Backtest summary page 1 response 25/05/2015
beta calculation, what parameters does Q use? 1 response 25/05/2015
Python Indentation rules 2 responses 25/05/2015
Risk Budgeting to improve performance. 2 responses 25/05/2015
Fundamentals access only within Quantopian IDE? 2 responses 24/05/2015
Great Shirt! 1 response 24/05/2015
basic order execution algorithmfor my strategy! no responses 24/05/2015
Newbie needs some help, loops and arrays 6 responses 23/05/2015
market-neutral and low-beta ETFs - use for Q Fund portfolio? 1 response 23/05/2015
Research Environment - Can't use SYMBOLS function on more than 3 entries? 2 responses 23/05/2015
Short sector momentum strategy - it doesn't work 7 responses 23/05/2015
Question about Fetcher and universe 3 responses 23/05/2015
commission. default used in contest? 3 responses 23/05/2015
regress excess returns on XLE components 12 responses 22/05/2015
Fetch short interest data for batch of Stocks and universe stocks 3 responses 22/05/2015
Historical DataFrame to list 2 responses 22/05/2015
FUTURES MARKET 4 responses 22/05/2015
Binary Options. 1 response 22/05/2015
Deciding when to exit from a profitable trade no responses 22/05/2015
Backtest does not run over proxy . . ! 4 responses 22/05/2015
fetcher the only way to work with data from other websites? 2 responses 22/05/2015
Quantopian Open low-beta algo 12 responses 22/05/2015
Turtle Soup plus One - Need help 2 responses 21/05/2015
My first Algorithm backtested BUT . . . 1 response 21/05/2015
Realistic commission for live trading? 3 responses 21/05/2015
London Community 10 responses 21/05/2015
Hi from Newbie. . . 3 responses 21/05/2015
Quick and dirty momentum strategy 17 responses 21/05/2015
Results inconsistent with literature 15 responses 20/05/2015
More Securities! Tradeable Universe Size Now Increased to 500 Securities 2 responses 20/05/2015
VOO with dividend reinvestment 3 responses 20/05/2015
did something changed in the fetcher code? Fetcher gives 404 on files that do exist 4 responses 20/05/2015
Volume Spread Analysis Implementation 6 responses 19/05/2015
Lots of ways to make money on Quantopian 2 responses 19/05/2015
Very simple 2 sharpe algo on XLE components 17 responses 19/05/2015
suggestion - allow users to link cloud computing accounts to Q 1 response 19/05/2015
order_target_percent(sid,1) causes negative cash.... 2 responses 19/05/2015
help w/ CVXOPT 14 responses 19/05/2015
Backtest different from Contest backtest 6 responses 18/05/2015
Q Ratio 1 response 18/05/2015
Accern Market Neutral Sentiment Strategy (Neutralized Risk Exposure) 2 responses 18/05/2015
debugger gives: Tree_expand: This object is no longer in scope 3 responses 18/05/2015
Are trades private 2 responses 18/05/2015
sortino 5.34 1 response 18/05/2015
data request, AD ratios 3 responses 17/05/2015
minute backtest not working with research platform 6 responses 16/05/2015
Bayesian conditional cointegration. 3 responses 16/05/2015
Extend history() to include date/time 2 responses 16/05/2015
Simon? A regular person? I don't think so... 3 responses 16/05/2015
%%zipline - invalid syntax 2 responses 15/05/2015
Why is this in second place? 6 responses 15/05/2015
Bar spread average 1 response 15/05/2015
What is wrong with Quantopian Backtest? 1 response 15/05/2015
[Framework] Modular Framework for trading algorithms 2 responses 15/05/2015
Sample algorithm question: Fundamental Data Algorithm 3 responses 15/05/2015
Api question: what is universe 6 responses 15/05/2015
why some libraries does not work in the notebook? 4 responses 15/05/2015
mavg() function seem slow 10 responses 14/05/2015
Was anyone in Quantopian contacted by potential employer like hedge fund or so? no responses 14/05/2015
ETF issue? 4 responses 14/05/2015
time of day dependence? 8 responses 14/05/2015
very weird behavior what happened ?!!?!?!?!?(selling more than buying)34% return in 2 months 5 responses 13/05/2015
HFT strategies 2 responses 13/05/2015
Historical fundamentals data: problem with live trading 6 responses 13/05/2015
Found Something What Do I Do 2 responses 13/05/2015
Mishandled Google Split? 6 responses 13/05/2015
Quantopian platform - what's needed to run a $10B hedge fund? 54 responses 13/05/2015
Contest data 8 responses 12/05/2015
Is it possible to add leverage for back testing? 5 responses 12/05/2015
What average trade (like 0.1%) is realistic for quantopian strategy? 12 responses 12/05/2015
Problem with ATR 3 responses 11/05/2015
Definition of Volatility in Backtest Results 2 responses 11/05/2015
How to implement keltner channels? 1 response 11/05/2015
From rank-and-chop to factor model with reduced turnover, resources? 2 responses 11/05/2015
How is shorting and the brokerage costs of shorting modeled in the portfolio 4 responses 11/05/2015
Benchmark dividends 2 responses 11/05/2015
creating new universe every day 1 response 11/05/2015
How do I get into the Managers Program? 7 responses 11/05/2015
Can I get an algo to run in minute mode as if it were in daily mode? 1 response 11/05/2015
Set_universe doesn't include stocks that are in your portfolio 1 response 11/05/2015
Turtle Trading Strategy Experience with Stocks and ETFs thread in Quantopian no responses 11/05/2015
trade mutual fund 1 response 10/05/2015
help w/ fetcher 10 responses 10/05/2015
Function: returns() not behaving as expected 16 responses 10/05/2015
Newby 2 responses 10/05/2015
What are the best technical indicators for entry and exit position for a momentum strategy? 2 responses 09/05/2015
Update universe question 4 responses 09/05/2015
managing securities that get de-listed? 3 responses 08/05/2015
Contest scoring for algo with out of sample returns <= 0 4 responses 08/05/2015
Volume Profile code? 6 responses 08/05/2015
Kalman Filtering 1 response 08/05/2015
Kalman Filter attempt (I'm obviously doing something wrong, and would love some help) 1 response 08/05/2015
Sorting Returns 4 responses 08/05/2015
Figures for performance measures no responses 08/05/2015
Prohibit trading for a stock when close to earnings 3 responses 08/05/2015
Runtime exception: IndexError: list index out of range 2 responses 08/05/2015
Should leveraged ETF's be banned from the Open? 32 responses 07/05/2015
How to Build a Stat Arb Strategy on Quantopian? 35 responses 07/05/2015
Read price data by start and end date 2 responses 07/05/2015
Looking for an experienced developer 1 response 07/05/2015
More inexplicable errors? 10 responses 07/05/2015
Multiple Indicators Combined 9 responses 07/05/2015
Sample TSLA-2010->2011 by the minute no responses 06/05/2015
Exiting a position based on time held 2 responses 06/05/2015
pre-market-open computational window? 2 responses 06/05/2015
Fetcher and time shift (improving Q examples?) no responses 06/05/2015
Algorithm ordering more than portfolio value no responses 06/05/2015
Sample Algorithm on TSLA, by the day no responses 06/05/2015
1st time, wow! 3 responses 06/05/2015
Bug/Inconsistent Backtest Results 6 responses 06/05/2015
Date Misalignment no responses 05/05/2015
Genetic Algorithm to predict best SMA to trade off of 17 responses 05/05/2015
I really wish they allowed the use of leveraged ETFs (7.18 sharpe, 13.65 sortino, -0.02 beta, 0.01 volatility) 23 responses 05/05/2015
Automated Leverage System 1 response 05/05/2015
Is there any "Algorithm Stopped" event, to gracefully exit? 16 responses 05/05/2015
Is there a way to persist the context, so that it could be re-loaded if a live algorithm is stopped and restarted? 8 responses 05/05/2015
Is there a way to connect to IB only when needed to trade? 4 responses 05/05/2015
Accessing period risk metrics with zipline? 1 response 05/05/2015
using Zipline with a local setup meets a problem 1 response 05/05/2015
Any material to start the trading algorithm? 2 responses 05/05/2015
My Backtests don't start...Please help! 1 response 05/05/2015
Forecasting Model in Excel and R!!! (Key words - MAPE, Hierarchical Time Series Model) no responses 04/05/2015
Trying to understand the order object. no responses 04/05/2015
Slope of moving average line, also futures symbols? 1 response 04/05/2015
How stable is stability calculation? 10 responses 03/05/2015
To successful quants, how’d you get there? no responses 03/05/2015
Help! My backtests don't complete! 4 responses 03/05/2015
Research Notebook Access 4 responses 03/05/2015
Ranking System based on Trading Volume/Shares Outstanding 11 responses 03/05/2015
I need to feed data into my Algorithm every Monday before the open. 2 responses 02/05/2015
How consistent is consistency factor? 7 responses 02/05/2015
Zipline Data Feed 7 responses 02/05/2015
Test Algos with stock other than Apple. no responses 02/05/2015
Research notebook 1 response 01/05/2015
Simple Factor Timing Using Sharpe Ratio 3 responses 01/05/2015
Limitations of Fetcher 4 responses 01/05/2015
historical eps 1 response 01/05/2015
Jeff Koch takes the April Quantopian Open, Wins $100,000 IB Account 6 responses 01/05/2015
Using quantopian with own data 3 responses 01/05/2015
Lunar phase strategy revisited 1 response 01/05/2015
What is the Slippage Model On Here? 2 responses 01/05/2015
Random Forest Classification 5 responses 30/04/2015
Avoiding the Twitter Leak with Accern Sentiment Indicators 3 responses 30/04/2015
Research has a Jupyter login username/password? 2 responses 30/04/2015
Fetch_csv during live trading 5 responses 30/04/2015
Periodic universe update with fetch_csv 1 response 30/04/2015
Order slicer and dicer no responses 30/04/2015
NaN Error i can not solve 2 responses 30/04/2015
IPython textbook on Kalman & Bayesian filters 1 response 30/04/2015
Encountering a strange build error 4 responses 29/04/2015
What is the point of view of the quantopian community regarding technical indicator ? 24 responses 29/04/2015
IB Proprietary Trading Account - mechanics of linking sub-accounts to Quantopian algos? 32 responses 29/04/2015
Buy When there is blood on the street 2 responses 29/04/2015
How to sell entire portfolio? 1 response 29/04/2015
How to limit the number of trades in one day for my algorithm 4 responses 29/04/2015
Time varying bid-ask spread. 7 responses 28/04/2015
Discretizing a continuous variable to build a dataset for classification 2 responses 27/04/2015
cannot concatenate 'str' and 'NoneType' objects 1 response 27/04/2015
Get rid of multiple share classes in fundamentals query 5 responses 27/04/2015
Fear, Greed, Volatility and Opportunity 1 response 27/04/2015
Mean Reversion with a Variance Threshold 14 responses 27/04/2015
run_algo.py doesn't exist 1 response 27/04/2015
Cant find SID for a fund 2 responses 26/04/2015
fundamental query only returns 1 stock - please help 3 responses 26/04/2015
Any way to record more than 5 vars? 7 responses 26/04/2015
First algo - a question about portfolio history 10 responses 26/04/2015
Quantopian in Chicago on 6/3 1 response 25/04/2015
Long Risk Reversal (split strike) no responses 25/04/2015
Building a comprehensive downturn / Recession alert system. - Long term community help needed 9 responses 25/04/2015
Request: real world strategy scoring metric 4 responses 25/04/2015
Example (simple): SMA proportioned positions no responses 24/04/2015
Missed a split in BIS in 2012? no responses 24/04/2015
Transaction costs affect % return 5 responses 24/04/2015
get_pricing in research, what is it fetching from Yahoo Finance? 2 responses 24/04/2015
cardinality constrained mean reversion - proof of concept 49 responses 24/04/2015
RSI Mean 1 response 24/04/2015
My algorithm ranking not showing in the Leaderboard 5 responses 24/04/2015
Week Day w/ PD 3 responses 24/04/2015
Request for CVXPY in Quantopian 17 responses 24/04/2015
Spot-futures pricing model (with time to maturity and volatility) no responses 24/04/2015
illegal Quantopian/IB algo? 18 responses 24/04/2015
Scaling alters performance 4 responses 24/04/2015
Quantopian real-money live trading algo - is it still running? 2 responses 24/04/2015
none of my algos are making any trades in the competition 5 responses 24/04/2015
What happens when you bait HFT 2 responses 24/04/2015
SID translation table given ticker 2 responses 24/04/2015
Logging limit exceeded 3 responses 24/04/2015
Young quant in need of assistance 10 responses 24/04/2015
Can I learn to code by just using Quantopian? 10 responses 24/04/2015
Going live with IB checklist? 7 responses 23/04/2015
Comparing OLPS algorithms (OLMAR, UP, et. al.) on ETFs 39 responses 23/04/2015
Unreasonable Return Rates? 2 responses 23/04/2015
New here: How do I change the instrument used in a backtest? 2 responses 23/04/2015
POTENTIAL IDEA 8 responses 23/04/2015
Dividends Ex-Date no responses 22/04/2015
Stop-loss order as a function of peak price. 2 responses 22/04/2015
Novice programmer wanting to get clarification 1 response 22/04/2015
ive No idea what this means 2 responses 22/04/2015
Trader Arrested in Manipulation That Contributed to 2010 ‘Flash Crash’ 22 responses 22/04/2015
Version 2, Proposal for Dividend-Adjusted Prices 12 responses 22/04/2015
IB market scanner access in backtesting and trading no responses 22/04/2015
Stop Orders not going through 4 responses 22/04/2015
Great Thalesians tomorrow for those of you in NYC no responses 21/04/2015
How to Recreate the CNN Fear and Greed Index 10 responses 21/04/2015
Accern Event-Driven (Earnings Focused) News and Blog Backtest Results (PDF Report Attached) 16 responses 21/04/2015
Research: Questions and wishes 4 responses 21/04/2015
Improve returns and reduce risk by Opportunity rebalancing 3 responses 21/04/2015
How to liquidate all positions? 6 responses 21/04/2015
Crowd-Sourced Stock Sentiment Using StockTwits 46 responses 21/04/2015
Research notebook of Thomas' work on probabilistic modelling of algo posteriors? 6 responses 20/04/2015
May leaderboard in the contest 1 response 20/04/2015
Stop-Limit sell orders not triggering on Limit 1 response 20/04/2015
Difference between P/L & Unrealized ( Live Trading) 3 responses 20/04/2015
debugger keeps on giving TypeError: iteration over a 0-d array on data..... 3 responses 20/04/2015
mean reversion with variance threshold - help needed 19 responses 19/04/2015
Print an array after the backtest completes 9 responses 19/04/2015
How are short fails handled in live trading? 29 responses 19/04/2015
Candlestick Condensed from TASC Feb 2015 1 response 19/04/2015
Age limit for Qoantopian Open? 1 response 19/04/2015
What it is the easiest way to get daily Profit/Loss for portfolio ? 8 responses 19/04/2015
How do I get the close_price to work on before_start_trading? 1 response 18/04/2015
Input files 1 response 18/04/2015
How to balance the portfolio for research purposes? 2 responses 18/04/2015
Weird behavior with "before_trading_start" 4 responses 18/04/2015
Analysis of minute bar trading volumes of the ETFs SPY & SH 7 responses 18/04/2015
Can anyone help me translate my idea? 3 responses 18/04/2015
Proposed New Default Slippage and Commissions 26 responses 17/04/2015
First results from sample algo 1 response 17/04/2015
Immediate Order Cancellation 2 responses 17/04/2015
Substitute for VXX 5 responses 17/04/2015
How do you Cancel All Open Orders (on a Friday afternoon) ? 3 responses 17/04/2015
Heatmap of Returns by Day of Week 9 responses 17/04/2015
Request for VXX data is returning the wrong data. 1 response 17/04/2015
Messing around with SPY vs SH volume profiles (h/t Grante Kiehne and Michael Van Kleeck) 1 response 17/04/2015
Simple Algo using percent gains over past 2 weeks 2 responses 17/04/2015
How to find available cash? 1 response 17/04/2015
Modified Heatmap Based on Grant Kiehne's Example 3 responses 17/04/2015
Will someone please help me write a very simple algo. 4 responses 16/04/2015
Problem: Using history function with alternating universe 1 response 16/04/2015
Mean reversion and autoregression 4 responses 16/04/2015
Status non-tradeable Futures/Indices in blotter... (new feature) 10 responses 16/04/2015
research platform - how to get a nice heatmap? 13 responses 16/04/2015
How to store a calculated % change list for future use? 2 responses 16/04/2015
Poor man's "Risk Premia and the VIX Term Structure" 11 responses 16/04/2015
Scrape the web for new datasets with kimono 19 responses 16/04/2015
How To: Store Current Day's Open Price 5 responses 15/04/2015
VIX index data on Yahoo is wrong 1 response 15/04/2015
Pairs Trading Algorithm 7 responses 15/04/2015
Algorithm Gone Haywire ! 3 responses 15/04/2015
how to use schedule_function in Quantopian Research? 3 responses 15/04/2015
Fundamentals now available for real money trading 2 responses 15/04/2015
9 Mistakes Quants Make That Cause Backtests to Lie no responses 15/04/2015
Feature request: algo code snapshot attached to backtests 7 responses 14/04/2015
Fetch data on stocks coming from fundamentals 1 response 14/04/2015
QuantCon 2015 Replay: Videos and Presentations Available no responses 14/04/2015
History() function help 2 responses 14/04/2015
Data in Research just disappeared? 1 response 14/04/2015
Details on pre-startup "algo verification" phase, prior to debugger running, prior to fundamentals running 3 responses 14/04/2015
The tiniest of forum UI changes - include original poster 1 response 13/04/2015
Proposed Feature Change: Dividend-Adjusted Prices 5 responses 13/04/2015
Testing accuracy of .resample('1W') for weekly history dataframe 9 responses 13/04/2015
Live Trading - Regression Coefficients 4 responses 13/04/2015
The Logical Invest “Hell On Fire” 7 responses 13/04/2015
View total Backtest Commissions without writing lengthy code 1 response 13/04/2015
CSV Fetch not working 6 responses 13/04/2015
Making Plots Bigger 2 responses 13/04/2015
The Logical Invest Enhanced Bond Rotation Strategy 4 responses 13/04/2015
Can one revert to an algorithm version? Source code history tracking? 4 responses 13/04/2015
My execution algorithm- and some ideas to improve it. 2 responses 13/04/2015
SPY profit year-to-date 5 responses 12/04/2015
Research platform is pretty neat! 9 responses 12/04/2015
Why MPT is still in use? 23 responses 11/04/2015
Good? 3 responses 11/04/2015
strange fundamental data 2 responses 11/04/2015
Stock Screener for Value Investing 7 responses 11/04/2015
Help with creating a feature set for a machine learning algo 4 responses 11/04/2015
Portfolio allocation example with order target percent 9 responses 11/04/2015
An attempt at momentum 1 response 11/04/2015
Categories 1 response 11/04/2015
How to know if the next day it is a trading day? 2 responses 11/04/2015
Implementing talib correlation indicator , need help 5 responses 10/04/2015
Execution simulation 4 responses 10/04/2015
Function call on testing completion 2 responses 10/04/2015
Future premium on the ES 5 responses 10/04/2015
Is set_universe usable? 3 responses 10/04/2015
Exit securities which no longer trade 14 responses 10/04/2015
Schedule biweekly not working.- Start and every 15 days 4 responses 10/04/2015
Can I update a contest algorithm? 2 responses 09/04/2015
Pandas Multiplication not working 11 responses 09/04/2015
Value Investing with a Multi-factor Fundamentals Template 17 responses 09/04/2015
UnderstandingSample tutorial 1 Momentum algorithm syntax no responses 09/04/2015
KeyError symbol error -- date MUST be in %y-%m-%d format 8 responses 09/04/2015
Enter the Quantopian Open to get Early Access to the Research Platform! 1 response 09/04/2015
websites for data (was mentioned on this site before) 2 responses 08/04/2015
Looking for a programmer with experience in Quantopian 1 response 08/04/2015
can i run 2 different programms at the same time. 8 responses 08/04/2015
Intraday Trading Issue 4 responses 08/04/2015
If I were Q, I would... 9 responses 08/04/2015
Psychological impact of an underwater algo 16 responses 07/04/2015
Accern News and Blog Backtest Results using Quantopian (Link to PDF Report attached) 30 responses 07/04/2015
Importing Transactions into Backtester 3 responses 07/04/2015
Quantopian Open and Backtest score no responses 07/04/2015
Research Paper to use Quantopian results 3 responses 07/04/2015
Buying stocks based on stock news! 2 responses 07/04/2015
Runtime error due to timeout in Quantopian Open 28 responses 07/04/2015
Heston Model no responses 07/04/2015
RISK ON /RISK OFF Algo 11 responses 06/04/2015
Quantopian Open-like Contests no responses 06/04/2015
Value Investing in Quantopian: Comparing the Acquirer’s Multiple to the Magic Formula 53 responses 06/04/2015
Issue with open_price 3 responses 06/04/2015
Function that is not called crashes backtest, returns() will not work either 5 responses 06/04/2015
Code for back testing data through CSV 2 responses 06/04/2015
Can we use 'record' function to plot portfolio equity? 3 responses 06/04/2015
How fast can you get market data 16 responses 05/04/2015
How to sell only if current price is higher than previous purchase price 10 responses 05/04/2015
how to invoke zipline strategy from another python file 1 response 05/04/2015
Does the benchmark reflect reinvested dividends of the benchmark security? 9 responses 05/04/2015
Help with CSV 1 response 04/04/2015
For all of you aspiring quants out there 2 responses 03/04/2015
Screening out "unrelated business taxable income" stocks using the fundamental screener? 6 responses 03/04/2015
In need of a Quant Veterens / Genious advice / Help no responses 03/04/2015
Fundamentals in research platform 3 responses 03/04/2015
In need of a Quant Veterens / Genious advice / Help 6 responses 03/04/2015
Feature Request: Annual Returns 15 responses 03/04/2015
Should prices really be split adjusted? AKA commission bug 16 responses 03/04/2015
Strange transactions - please help 4 responses 03/04/2015
Momentum trading 11 responses 03/04/2015
Fetching symbols, not found? 6 responses 03/04/2015
simple fetch_csv 1 response 02/04/2015
Trying to build a simple mean reversion algo 1 response 02/04/2015
Deleting a test algorithm that is live trading 2 responses 02/04/2015
Pair Trade using a Risk Factor Model 10 responses 01/04/2015
Help with the MACD sample code 4 responses 01/04/2015
Dynamic Leverage Calculation 4 responses 01/04/2015
Relative orders in backtest bug 8 responses 01/04/2015
Error 5 responses 01/04/2015
How to implement algo to other trading website 9 responses 01/04/2015
Simon Thornington Wins the March Quantopian Open, Captures $100,000 Account 9 responses 01/04/2015
Website changes, hard to find running algos? 3 responses 31/03/2015
How to use CSV data 2 responses 31/03/2015
Do you want to connect your E*TRADE account to Quantopian? Join our Pilot Program 27 responses 31/03/2015
Event Study Template in QRP no responses 31/03/2015
How to reproduce Daily with min simulation 3 responses 31/03/2015
test no responses 31/03/2015
Question regarding: set_max_position_size and setting it dynamically. 3 responses 31/03/2015
A experiment with momentum 7 responses 31/03/2015
How to code the turtle trading rules 5 responses 30/03/2015
IB Canada also work with quantopian?? 2 responses 30/03/2015
Research Platform Data 3 responses 30/03/2015
Stocks introduced each year (QRP/Seaborn) + error 3 responses 30/03/2015
get_fundamentals/query from a research notebook 7 responses 30/03/2015
Can we save data into file in research and use it in an backtest/live algorithm.? 8 responses 30/03/2015
Can we see the actual strategy equity curves in the forum instead of having to click the topics like the old way? 3 responses 30/03/2015
Calmar ratio and R Squared 2 responses 29/03/2015
Investment Stategy based on 200d moving average 1 response 29/03/2015
Chart legend record keys -- where'd they go? 1 response 29/03/2015
Bug in Debugger? 3 responses 29/03/2015
Question 1 response 29/03/2015
Attribute Error : Need help 2 responses 28/03/2015
analysis of entire Quantopian database, using Quantopian Research Platform no responses 28/03/2015
Great Manual Trading System To Code 2 responses 28/03/2015
Help me with my thesis. 14 responses 27/03/2015
How to ensure that stock holding dont exceed my cash 2 responses 27/03/2015
finding all available sids in the database using the Quantopian research platform 3 responses 27/03/2015
Backtest a unique news and blog dataset from Accern no responses 27/03/2015
Old algorithms not cloning 3 responses 27/03/2015
Integrating Price Predictions with Portfolio Optimization 6 responses 27/03/2015
Lazy Portfolio - Poor Performance 3 responses 27/03/2015
Question on the History Function in debugger mode 3 responses 27/03/2015
First attempt at pairs trading 6 responses 26/03/2015
Remalancing ETFs yearly 2 responses 26/03/2015
How to write an algo to keep leverage under three? 5 responses 26/03/2015
Request: Improved Community Forum 10 responses 26/03/2015
Changing the appearance of the backtest chart 1 response 26/03/2015
research notebook error - "WARNING: Loader: No benchmark data found for date range..." 6 responses 26/03/2015
Seems to be an error when ordering some stocks 4 responses 25/03/2015
suggestion: adding learn_period 13 responses 25/03/2015
Quantopian Paper Trading : Fills are way off 5 responses 25/03/2015
Protection / hedging from increasing interest rates 5 responses 25/03/2015
Getting an error 2 responses 25/03/2015
My first algo, am I on the right path? 2 responses 24/03/2015
Feature Request :Multi - Strategy Backtesting 2 responses 24/03/2015
simple OLMAR w/ optimizer & get_fundamentals 12 responses 24/03/2015
New to Quantopian 4 responses 24/03/2015
Updated Clone of a Clone of Meb Faber's Timing Model no responses 24/03/2015
Quantopian research platform - comments & questions 96 responses 24/03/2015
research platform notebook error 2 responses 24/03/2015
Testing Gap Fade Strategy on Multiple Stocks 3 responses 24/03/2015
why 'nans' in output of research notebook? 1 response 24/03/2015
inputs NaN 1 response 24/03/2015
Interesting article on IEX challenges 7 responses 23/03/2015
New to Quantopian 1 response 23/03/2015
Two questions about simple fundamentals algorithm 1 response 23/03/2015
Help with simple error? 6 responses 23/03/2015
Rebalance using a percentage hurdle 18 responses 23/03/2015
Scheduled functions vs handle_data 2 responses 23/03/2015
Error: 'query' only permitted within initialize function 1 response 23/03/2015
How many shares do I currently own? 2 responses 23/03/2015
Universe in Fetch CSV doesn't seem to be clearing well no responses 22/03/2015
New to Quantopian 12 responses 22/03/2015
Screening for ETFs 1 response 22/03/2015
There seems to be a problem with the morningstar fundamental data api 2 responses 21/03/2015
Running the Unit Tests in Zipline 2 responses 21/03/2015
Starting Out 2 responses 21/03/2015
When do mere mortals get access to the Research Platform 13 responses 21/03/2015
RPV no responses 21/03/2015
research notebook w/ error 5 responses 21/03/2015
test sharing research notebook to see what happens 12 responses 21/03/2015
HELP: Simple Heiken Ashi momentum trader 6 responses 21/03/2015
Context extended (dynamic property) style: Acceptable? 1 response 20/03/2015
Quantopian research platform question - filter on ETFs, then perform analysis? 3 responses 20/03/2015
Using Eclipse and Pydev, getting "unresolved import: order_target" error 4 responses 20/03/2015
First Algo! Using Regression, Volume, and Standard Deviation 11 responses 20/03/2015
Platform upgrade tonight 5 responses 20/03/2015
Schedule Function Question 1 response 20/03/2015
What is a run time Error 32 - Broken Pipe? 20 responses 19/03/2015
Directed Acyclic Graph DAG - research strategy 30 responses 19/03/2015
ETA for fix to marketcap bug in morning star data? 2 responses 19/03/2015
How to save a machine learning algo results for live trading? 4 responses 19/03/2015
Leverage simulation in backtest 2 responses 19/03/2015
I am a Newbie & help needed: How to code a buy and take profit trading algoritm using MA 2 responses 19/03/2015
simple momentum trade 5 responses 19/03/2015
With options on tlt or other etfs 1 response 19/03/2015
Trading Strategy: Moving Average Mean Reversion 9 responses 18/03/2015
Inside day 6 responses 18/03/2015
How to judge Nan? 2 responses 18/03/2015
The Dividend Calculation looks VERY WRONG 12 responses 18/03/2015
How to do global optimization 3 responses 18/03/2015
Is there a way to track and graph the difference between the benchmark return and model returns ? 1 response 18/03/2015
Syntax Help on Schedule Function 4 responses 17/03/2015
Moving Avg Crossover no responses 17/03/2015
Sell stock with two mintues until close time 2 responses 17/03/2015
Trade log export 2 responses 17/03/2015
Minimum variance using daily vs min backtesting 7 responses 17/03/2015
How do I gett a true opening price (price right before market opens)? 1 response 17/03/2015
Where from Q get prices for live paper trading? 17 responses 17/03/2015
minimum variance portfolio using get_fundamentals() 9 responses 17/03/2015
Couple suggested debug enhancements - Date & time of run time error & debug watch list of variable values 3 responses 17/03/2015
dynamic universe 3 responses 16/03/2015
sorting entire universe according to 12 month momentum 8 responses 16/03/2015
mapping quantopian sid/ ticker <<--->> isin,cusip whatever 4 responses 16/03/2015
Technical Analysis 5 responses 16/03/2015
Help 1 response 16/03/2015
Simple system 5 responses 16/03/2015
How to sell a security 2 minutes until close time? 1 response 16/03/2015
How would one compare today's first half hour volume to average first half hour volume? 2 responses 15/03/2015
Quantopian Open Hackathon Algorithms 2 responses 15/03/2015
Sentiment Analysis Algo 3 responses 15/03/2015
Equity returns following extreme VIX & WVF movements: collaboration algo 4 responses 15/03/2015
Filter price before getting fundamentals 2 responses 15/03/2015
Hourly data & 4H backtest? no responses 14/03/2015
How to query on price? 2 responses 14/03/2015
view buy and sell signals on the chart and table 4 responses 14/03/2015
Backtesting the trading of different stocks per day 2 responses 14/03/2015
how will algo backtest results differ from trading results 5 responses 14/03/2015
Algorithmic trading and Short sales 4 responses 14/03/2015
Using both fundamental and technical analysis 7 responses 13/03/2015
Your opinion on the latest community pages look and feel 16 responses 13/03/2015
SQLAlchemy (Fundamental Data) - order_by involving arithmetic operations and multiple columns 5 responses 13/03/2015
PI : tomorrow morning, while at QuantCon, celebrate PI no responses 13/03/2015
Schedule_function help 2 responses 13/03/2015
new to quantopian: looking for functionality 5 responses 13/03/2015
Roadmap regarding additional datasources and instruments? 6 responses 13/03/2015
Contest correlation calculation? 7 responses 12/03/2015
Algo re-buying trailing stop loss idea? 1 response 12/03/2015
Strategy for avoiding "double response" 2 responses 12/03/2015
enterprise_value/market_cap not current in fundamental data no responses 12/03/2015
Fund managers continue to underperform no responses 12/03/2015
Quantopian Open Contest question 1 response 12/03/2015
Hackathon for Quantopian Open in NYC on March 15 (Sunday) no responses 12/03/2015
Can I use all NYSE and NASDAQ stocks in my algo and use a screening function once per month / two weeks ? 3 responses 12/03/2015
First post, K filter across as many stocks as you want 5 responses 12/03/2015
Fundamentals data offline 4 responses 11/03/2015
Fetcher and live outside minute based data source 7 responses 11/03/2015
Confused... Please help 12 responses 11/03/2015
Invalid Syntax? 3 responses 11/03/2015
About writing programms and DB connection. 1 response 11/03/2015
ROC ( Rate of change) 2 responses 11/03/2015
Unadjusted stock data 8 responses 11/03/2015
A question on statistical operation with the pandas data frame from get_fundamentals 5 responses 10/03/2015
uwti 6 responses 10/03/2015
CSSAnalytics - A Simple Tactical Asset Allocation Portfolio with Percentile Channels 35 responses 10/03/2015
All NaN Slice & Axis encountered 2 responses 10/03/2015
Range of contest scores 1 response 10/03/2015
Difference between Minute and Day backtesting 2 responses 09/03/2015
QuantCon live stream campaign 8 responses 09/03/2015
The efficient frontier: Markowitz portfolio optimization in Python using cvxopt 68 responses 09/03/2015
Portfolios of Stocks Based on Volume/Moving Average Ratio no responses 09/03/2015
Mean Reversion Strategy for Stock Volume (Part 1) no responses 09/03/2015
Hey im new to this 2 responses 09/03/2015
The Efficient Frontier: Markowitz Portfolio Optimization in Python 2 responses 09/03/2015
How to invest in funds 1 response 08/03/2015
another random forest example no responses 08/03/2015
fundamental data - discrepency /questions 4 responses 08/03/2015
17553% return 2 responses 08/03/2015
WARN numpy/lib/nanfunctions.py:319: RuntimeWarning: All-NaN slice encountered 7 responses 08/03/2015
Zipline: Troubles manually running trading algorithm 4 responses 07/03/2015
Variable always returning NaN? no responses 07/03/2015
Trade earnings report with Whisper numbers no responses 07/03/2015
Automated backtesting 7 responses 07/03/2015
Reading external parameter files 1 response 07/03/2015
How do I manually remove a symbol from my custom universe? 1 response 07/03/2015
SPY dividends 4 responses 06/03/2015
Keller/Butler - A Century of Generalized Momentum: Elastic Asset Allocation (EAA) 37 responses 06/03/2015
Future plans for derivatives? 1 response 06/03/2015
Not able to recall stock sid or symbol from context.portfolio.positions for closing current position 1 response 06/03/2015
Treasury Return For Calculating Sharpe Question 3 responses 06/03/2015
New to Quantopian. I have a list of stocks in a CSV file I want to buy. How do I backtest this? 1 response 06/03/2015
Z Score - moving average 11 responses 06/03/2015
Reversing a losing strategy and still losing? 2 responses 06/03/2015
Recommended books on finance? 3 responses 05/03/2015
Help on Momentum-Reversion Algo 4 responses 05/03/2015
QuantCon Agenda 2 responses 05/03/2015
Preferences for Backtest Lower Subgraphs? 1 response 05/03/2015
order_target_percent 29 responses 05/03/2015
Using history(), how do I take a specific number from that? 3 responses 05/03/2015
Time Delay on live trading 2 responses 05/03/2015
Quantopian Office Hours on Friday March 6 at 11AM EST no responses 04/03/2015
Data for Correlation Matrix 3 responses 04/03/2015
Why is my code not executing these orders? 2 responses 04/03/2015
Who's coming to QuantCon? 4 responses 04/03/2015
Research: An Update to Investing in Women-led Companies 9 responses 04/03/2015
Using our own data sources 1 response 04/03/2015
cloned "Multiple Securities" program does not build 1 response 04/03/2015
Array Transforms 6 responses 03/03/2015
How can I get the 200 largest company tickers from NASDAQ to update monthly? 8 responses 03/03/2015
What's the appropriated way to give rating to any trading system? 1 response 03/03/2015
Why can't I call history in before_trading_start()? 1 response 03/03/2015
how to get zipline work within a proxy network 1 response 02/03/2015
Fundamentals now available for Quantopian Open, Quantopian paper trading 29 responses 02/03/2015
Datetime compare with string 1 response 02/03/2015
Moving averages 3 responses 02/03/2015
zipline question 5 responses 02/03/2015
MACD-Mean-Reversion Strategy encountering KeyErrors with specific securities 3 responses 02/03/2015
How to use scipy and optimize 3 responses 02/03/2015
Starting with not so much $ 12 responses 01/03/2015
Has anyone translated Wouter and Butler's new Elastic Asset Allocation model into python script? 3 responses 01/03/2015
How to create a symbol from string? 19 responses 01/03/2015
avoiding de-listing of securities 7 responses 01/03/2015
Close all current Positions and cancel their limit and stop orders (for one open position) 1 response 01/03/2015
Python Help: Sample Fundamentals 1 Algo 2 responses 01/03/2015
Need Help Porting Profitable "Honey Badger" Python Script to Quantopian 11 responses 01/03/2015
Schedule Function Problem 6 responses 01/03/2015
Symbols() with dictionary as input for a clean rotation strategy code 2 responses 01/03/2015
volume spike purchasing formula 17 responses 28/02/2015
Default commission model very different from IB fees 17 responses 28/02/2015
ValueError: cannot convert float NaN to integer 1 response 28/02/2015
Differences between Minute and Daily Backtests 5 responses 28/02/2015
Overreaction 9 responses 28/02/2015
Help with scipy.optimize error? 2 responses 27/02/2015
Sample algo for weekly picks of 3-4 symbols based on ranking/sort of 15 symbols 7 responses 27/02/2015
array operation with numpy ndarray 2 responses 27/02/2015
Quantopian Open: One Races to the Finish Line, Another Starting Gun Goes Off 10 responses 27/02/2015
Universe Changes breaking backtest indicators 2 responses 26/02/2015
ATR looking back n days using talib 2 responses 26/02/2015
Using weather as a trading signal 7 responses 26/02/2015
protection for fetch data no responses 26/02/2015
Looking for minimum price during a period of time and it's datetime 5 responses 26/02/2015
DIY HFT Algobot 15 responses 26/02/2015
Research: Stepping through Crowdsourced Earnings Data with Estimize no responses 25/02/2015
Is it possible to use other Python Libraries alongside the Quantopian API? 2 responses 25/02/2015
Books to learn coding 3 responses 25/02/2015
Quantopian Open: Twitter Updates 6 responses 25/02/2015
How to use 100% Total Margin Live-Trading with Interactive Brokers 1 response 25/02/2015
What is wrong with my syntax? All I changed was the stocks to buy. 3 responses 25/02/2015
Real automated trades 4 responses 24/02/2015
Automated signals instead of trading 14 responses 24/02/2015
Adding drag from monthly minimum/margin 3 responses 24/02/2015
optimization library other than scipy.optimize? no responses 23/02/2015
New Trading Guard to Exclude Leveraged ETFs from Algo Universe 8 responses 23/02/2015
Why is my algo trading on Sundays? 1 response 23/02/2015
'portfolio.pnl' Calculation Error? Example provided... 7 responses 23/02/2015
Data or backtesting engine bug 13 responses 22/02/2015
Why don't stop losses execute? 9 responses 22/02/2015
the example problem 2 responses 22/02/2015
Why does the number of positions (and leverage) creep up for this algorithm? 8 responses 22/02/2015
Excellent Quantitative Economics reference website 5 responses 21/02/2015
[Update 6/14] How to conduct your own event study using Research 4 responses 20/02/2015
Sneak Peek: Using a Quantopian Research Notebook to Analyze Share Buyback Data 15 responses 20/02/2015
VIX Futures Strategy / Trouble Importing .csv 2 responses 20/02/2015
backtesting of sector stocks 3 responses 20/02/2015
This code is calling a stock on a date that has already passed 4 responses 20/02/2015
Is it possible enable full logs or access them somehow? 1 response 19/02/2015
Mini-Tutorial: Ordinary Least Squares with Pandas and Matplotlib no responses 19/02/2015
Simple Mean Reversion (UIUC FEC Workshop) 5 responses 19/02/2015
Parameter tuning 2 responses 19/02/2015
How do I reduce drawdown and volatility 6 responses 19/02/2015
How to get opening price info before the bell 6 responses 18/02/2015
Backtesting Project 1 response 18/02/2015
Meb Faber's Global Tactical Asset Allocation (GTAA) strategy 10 responses 18/02/2015
Quantopian Open: Example algorithm to control leverage 12 responses 18/02/2015
I am not sure why I am unable to call the last trade price. 3 responses 18/02/2015
Jonathan Kinlay on Developing Statistical Arbitrage Strategies Using Cointegration 1 response 16/02/2015
Implementation of Camarilla Points no responses 16/02/2015
Good sources of academic papers on algorithmic trading strategies 1 response 15/02/2015
mean reversion w/ scipy.optimize.minimize 32 responses 15/02/2015
Quantopian Order Object Problem - no 'direction' attribute? 4 responses 14/02/2015
Partial least squares experiment with transaction costs 3 responses 14/02/2015
Is default commission realistic? 1 response 14/02/2015
The fundamentals filter not allowed in live trading? 4 responses 14/02/2015
Creating custom Simple Moving Averages? 1 response 14/02/2015
Does Quantopian have a playground feature? 2 responses 14/02/2015
QuantCon 2015 - Venue Change! no responses 13/02/2015
Level 2 2 responses 13/02/2015
Trying on for size: a technical framework 14 responses 13/02/2015
Qauntopian and Wolfram Mathematica: Getting Started and Interfacing 2 responses 13/02/2015
An experiment with partial least squares (without transaction costs) 1 response 13/02/2015
Does anyone knows if to_cvs from pandas works? 5 responses 13/02/2015
The biggest little perfections on Quantopian 2 responses 12/02/2015
Rebalancing in Real-money Live-Trading: first sell and then buy or the other way round? 4 responses 12/02/2015
How to dig a hole looking for GLD 4 responses 12/02/2015
Research: Investing in Women-led Fortune 1000 Companies 20 responses 11/02/2015
Anyone got a VWAP execution sub-algorithm to work around Quantopian slippage model? 16 responses 11/02/2015
Real-money live trading, what is your recommended account type on IB? 6 responses 11/02/2015
Quantopian community and kudos 8 responses 11/02/2015
exchange auction period and transaction costs 2 responses 11/02/2015
Trading strategy for bitcoin: Only buy/sell if after fees never lose more than initial investment? 8 responses 11/02/2015
How is the paper trading returns calculated? 1 response 10/02/2015
More than 200 stocks in Quantopian 1 response 10/02/2015
fetch_csv() called from a function that gets invoked from initialize() - doesn't work 1 response 10/02/2015
Options Trading 2 responses 09/02/2015
cant' buy VTHRX 3 responses 09/02/2015
Hull Moving Average 11 responses 09/02/2015
What are Good Bear Market Strategies? 5 responses 08/02/2015
Algorithm Price Drop Help 1 response 08/02/2015
Calculating rolling regression coefficients of a DataFrame 21 responses 07/02/2015
Long only results in short positions 8 responses 07/02/2015
Reading In a CSV 14 responses 07/02/2015
Using external Python packages along side the Quantopian API? 4 responses 07/02/2015
New rules and modifications for the march contest? 1 response 07/02/2015
How do I convert minute bars into 15 minute bars? 7 responses 07/02/2015
New to Algo trading, looking for a mentor 2 responses 07/02/2015
Help on Q IDE Type Error - Only length-1 arrays can be converted to Python scalars 8 responses 06/02/2015
Minute backtest differs greatly from Daily backtest 5 responses 06/02/2015
What's the best way to get started? 6 responses 06/02/2015
How can I create a custom universe? 3 responses 06/02/2015
15-minute delayed live trading - orders cancelled at end of day? 3 responses 06/02/2015
Intraday data 7 responses 05/02/2015
Error: Execution Timeout 31 responses 05/02/2015
How to code resistance areas? 3 responses 05/02/2015
Constants 1 response 05/02/2015
Q-open and "AlgorithmError: SymbolNotFound: 0048 Symbol 'SKH' was not found." 1 response 03/02/2015
History method inside initialize 1 response 03/02/2015
Changing Keys for Sids 1 response 03/02/2015
Is the contest being gamed? 110 responses 03/02/2015
Dynamic universe confounds series .iloc[-1] 3 responses 03/02/2015
Assigning Valuation Instead of Filtering 16 responses 03/02/2015
Struggling With Fundamentals Filtering & Position Changes 5 responses 03/02/2015
Is there any way to Speed Up Backtesting 6 responses 03/02/2015
Quantopian Open 8 responses 03/02/2015
How to buy stock at a specific time? 4 responses 02/02/2015
Walk Forward Optimization - Is there plan in the work? 2 responses 02/02/2015
Is Hedging Allowed at Quantopian? 2 responses 02/02/2015
February Contest Submissions Closed, March Submissions Are Open! 4 responses 02/02/2015
Testing Market Stop - Stop Filling on Low Ficticious Price - AAPL 2 responses 02/02/2015
SID for market indices? 1 response 02/02/2015
Leverage 3 responses 01/02/2015
Inaccurate max drawdowns on no trade days/periods 15 responses 01/02/2015
sid method 2 responses 01/02/2015
Will quantopian hold? 7 responses 01/02/2015
How would you program this algorithm? 6 responses 01/02/2015
struggling with fetcher.... pls help 1 response 01/02/2015
IDE functionality 2 responses 01/02/2015
Who is going to the QuantCon? 20 responses 01/02/2015
More fun with zScore. Ranked, sliced and served lukewarm 4 responses 01/02/2015
backtest on multiple pairs trading - after cointegration analysis in R 9 responses 31/01/2015
A "framework" to manage bracket orders (with SL, TP) and additional features (TrailingStop, BreakEven, Expiration) and advanced statistics 6 responses 31/01/2015
Unexpected fills from limit orders 15 responses 31/01/2015
Trading Dual-Class Stocks 1 response 31/01/2015
Get "Method Not Allowed" when trying to fetch csv from URL 2 responses 30/01/2015
Saving and Build Algorithm: Backtesting after code changes 5 responses 30/01/2015
Auto-save failed 1 response 30/01/2015
How do I find a SID for market indexes such as SOX / Apply History method with multiple SIDs? 1 response 30/01/2015
Pricing data date time index shifted 5 hours - now starting at 1431 versus 931 this morning? 2 responses 29/01/2015
Quantopian Hackathon Sample Algos no responses 29/01/2015
How To Determine Time In Market? 2 responses 29/01/2015
Why isn't bootstrapping implemented to enhance backtest results? 3 responses 28/01/2015
Q-Open submitted strategy: curve-fit and leveraged 7 responses 28/01/2015
end of day 5 responses 28/01/2015
What am I doing wrong? 5 responses 28/01/2015
would I ever get fills? Semi HF trade between crude and USO (United States Oil Fund ETF) 2 responses 28/01/2015
result no responses 27/01/2015
Inconsistent variable data in debugger 1 response 27/01/2015
Quantopian Open - variable backtest length, backtest length as an additional metric 7 responses 26/01/2015
Please help in adding stuffs into my code. 1 response 26/01/2015
Newb question; trouble accessing fundamental data in handle_data? dataframe indexing? 2 responses 26/01/2015
Simple MultiIndicator Trading 2 responses 26/01/2015
Statistical Weight Adjustment 1 response 26/01/2015
Difficulty getting created columns out of 'fetched' data 6 responses 26/01/2015
Is it possible to calculate the ratio of two securities ? 10 responses 25/01/2015
How can I improve my algorithms? 2 responses 25/01/2015
Moving averages of the same stock 1 response 25/01/2015
Adding on no responses 25/01/2015
Volume slippage and limit orders 2 responses 25/01/2015
Failed Market Orders with Specific Tickers 4 responses 25/01/2015
Looks like a data anomaly. Spike in price from $1.7 to $17 for BNS in 2002 2 responses 25/01/2015
Quantopian software release time cycle ? 1 response 24/01/2015
use of random values in an algo? 16 responses 24/01/2015
What do symbols ending in "WI" indicate? 3 responses 24/01/2015
Yahoo/Quantopian: Using Y-adj as signal for swtich no responses 24/01/2015
YAHOO and FETCH : comparing Q and Y for 12-mth rolling return no responses 23/01/2015
Reverse Momentum Trading 1 response 23/01/2015
Quantopian Open Leaderboard! 26 responses 23/01/2015
Anyone have an example algo for finding a classic double bottom? 1 response 23/01/2015
MT4->Quantopian : iClose iMA iWPR iATR no responses 23/01/2015
Looking for loopholes In seemingly stable algo 3 responses 23/01/2015
Stop Loss and Take Profit 1 response 23/01/2015
how can I convert unfilled limit orders to market orders? 8 responses 23/01/2015
How can I use `fetch_csv` to load my data and make it available to the `history` function? 4 responses 23/01/2015
Returns 39 responses 23/01/2015
Extending security properties off of data -- expando style no responses 23/01/2015
Correlation Threshold Algorithm with a hint of #Fundamentals no responses 23/01/2015
before_trading_start - does it time-out? 9 responses 23/01/2015
Newbie Seeking Help With First Algo 5 responses 22/01/2015
Suggestion for algorithms page 1 response 22/01/2015
Bracketed limit / stop orders, and expando testing 2 responses 22/01/2015
Quantopian Open rank 2 responses 22/01/2015
5 years fundamental ratios always None 2 responses 22/01/2015
Covariance Estimation via Random Matrix Theory 5 responses 22/01/2015
LimitOrder : why does using LO get me into negative cash 3 responses 22/01/2015
Dividend Data 4 responses 21/01/2015
Is there any chance to automate an export data for additional analysis? 4 responses 21/01/2015
How can I export all the transaction details and complete log output in a text or excel file ? 5 responses 21/01/2015
My first algo 1 response 21/01/2015
Swing Trading Algorithm 1 response 21/01/2015
AttributeError: 'Security' object has no attribute 'mavg' 1 response 21/01/2015
Acquirer's Multiple, Based on "Deep Value" #Fundamentals 36 responses 21/01/2015
Is this strategy BS or do I do something wrong? 1 response 21/01/2015
History not working in before_trading_start 9 responses 21/01/2015
Strange fill prices 2 responses 21/01/2015
Semi-monthly rebalancing 3 responses 20/01/2015
wrong ETF rankings because price data does not include dividends (big problem for bonds) 7 responses 20/01/2015
GoMurica Algorithm no responses 20/01/2015
TypeError with dict? 2 responses 20/01/2015
Leveraged ETF exclusion from Quantopian open 3 responses 20/01/2015
Bollinger Band empty average 5 responses 20/01/2015
Noob with an idea in need of help. 6 responses 20/01/2015
How to exclude leveraged ETFs from universe 32 responses 19/01/2015
How many algorithms are in the contest? 8 responses 19/01/2015
EV_TO_EBITDA Vs Calculated EV_TO_EBITDA differs. Why ? 6 responses 19/01/2015
Rebalancing algorithm 1 response 19/01/2015
big cash balances sitting in a brokerage 2 responses 19/01/2015
How to loop through multiple securities? 1 response 18/01/2015
Tian's Pair Trading Strategy no responses 18/01/2015
Get first date of backtest for fetch_csv 1 response 18/01/2015
shillers PE - need access to CPI information - Any suggestions 3 responses 18/01/2015
Store and retrieve local data during algorithm operation? 7 responses 17/01/2015
How can I improve this algo? 2 responses 17/01/2015
Understanding Fetcher; Runtime exception: Key Error 14 responses 17/01/2015
Setting a Stop Loss and Sell Limit at the same time? 6 responses 17/01/2015
Backtest Calculation Speed on 1 Minute Data 5 responses 17/01/2015
Hope is not a strategy 7 responses 17/01/2015
"period_ending_date" and historical fundamental data (quarterly/yearly) 17 responses 16/01/2015
capital limits of a long / short portfolio in Quantopian Open challenge 4 responses 16/01/2015
Fund Selection Criteria: Returns Stability Calculation no responses 16/01/2015
We are now accepting submissions for the Quantopian Open 11 responses 16/01/2015
Problems with Ordering - Positions Are off by Huge Amounts 1 response 15/01/2015
best way to query fundamentals for a specific symbol? 16 responses 15/01/2015
Backtest works in Daily mode but not in minute mode 6 responses 15/01/2015
Is fetch_csv still not allowed in Live Trading? 11 responses 15/01/2015
Updated Terms of Use and Privacy Policy 1 response 15/01/2015
Underperformance of Managed Funds 2 responses 15/01/2015
Quantopian API / mobile apps 6 responses 15/01/2015
history - newbie question 3 responses 14/01/2015
Quantopian Open & leveraged ETFs? 3 responses 14/01/2015
Short circuit before_trading_start? #fundamentals 4 responses 14/01/2015
Ultimate Oscillator Indicator not initiating orders. 1 response 14/01/2015
Custom Moving Average creation? 3 responses 13/01/2015
Bollinger Bands 1 response 13/01/2015
Does the Quantopian Open require a live trading account? 2 responses 12/01/2015
New to Python/Quantopian - few questions on my algo 9 responses 12/01/2015
Backtest Breakpoint Problem 1 response 11/01/2015
First Post, Background info, and couple questions 2 responses 11/01/2015
Stock chart that show your strategy entries and exit ? 5 responses 11/01/2015
I'm new and I need help 1 response 11/01/2015
fetch_csv limitations 3 responses 11/01/2015
Ernie Chan (USO/GLD) Oil/Gold Pair Spread Trading at Constant Leverage 5 responses 11/01/2015
Panda Dataframe - Convert 1 min pricing data into 3 minute pricing data? 2 responses 10/01/2015
Internaional indices 3 responses 09/01/2015
Making Use of Historical Fundamental Data 1 response 09/01/2015
Does anyone have a HF strategy specifically for the Korean markets? no responses 09/01/2015
handle_data timeout issue 1 response 09/01/2015
spread trading GLD and SLV etf's 6 responses 09/01/2015
Relative Orders 2 responses 08/01/2015
Cloned from "ETF market rotation strategy" 1 response 08/01/2015
Trading Idea....See if someone can make it happen or if you think this is useless. 4 responses 08/01/2015
7 Best Community-Built Value Investing Algorithms Using Fundamentals no responses 08/01/2015
Newbie Question of Quote Lag and Execution Lag 6 responses 07/01/2015
Advance-Decline Statistics 11 responses 07/01/2015
Linear Long-Short Algo (Ernie Chan, Andrew Lo) 2 responses 07/01/2015
Filled Price 2 responses 06/01/2015
converting daily to minute strategy and have approximately the same results (GDX,NUGT,DUST pairs) 7 responses 06/01/2015
Trading baskets co-integrated with SPY 8 responses 06/01/2015
New to Quantopian! Help with momentum algorithm 3 responses 06/01/2015
ETF market rotation strategy 37 responses 05/01/2015
Order of data from history() and items in the data object? 1 response 04/01/2015
Candle Patterns - research strategy 3 responses 04/01/2015
Fundamental Algo inspired by Benjamin Graham 1 response 04/01/2015
Getting fundamental data for specific securities 6 responses 04/01/2015
Quantopian historical daily volume data seriously off 30 responses 03/01/2015
Skip, avoid, bypass, ignore handle_data -- using schedule_function only? 11 responses 03/01/2015
Mean Reversion - Any value to this strategy? 2 responses 03/01/2015
Another attempt at stat arb 2 responses 03/01/2015
ETF Region Rotation strategy 16 responses 03/01/2015
Extraordinary Popular Delusions and the Madness of Crowds. 4 responses 03/01/2015
Cash vs Returns 7 responses 03/01/2015
Testing effectiveness of RSI 3 responses 02/01/2015
Moving Average Optimization trading PLL 2 responses 02/01/2015
First Algorithm, CAPM Trading 5 responses 02/01/2015
Sell after a given time interval 2 responses 02/01/2015
Target backtest results to raise funds? 5 responses 02/01/2015
Determine trend using frequency of MA crossovers no responses 01/01/2015
Need help with stop loss 2 responses 01/01/2015
Using #Fundamentals to identify uptrending volatile small caps 3 responses 01/01/2015
Applying the Price/Earnings Ratio Strategy to an ETF 2 responses 31/12/2014
Explanation of why results are so good 5 responses 30/12/2014
Patrick O'Shaughnessy's "Millennial Money" Value Investing Algorithm #Fundamentals 13 responses 30/12/2014
How to add more stocks 1 response 30/12/2014
Trade Frequency and Trading Multiple Securities 3 responses 30/12/2014
Tracking the S&P 500 using the Russell 2000 4 responses 30/12/2014
Very first algo I tried fails: cannot specify different execution prices for buy and sell orders 9 responses 30/12/2014
This algorithm perform better only for a small window no responses 30/12/2014
Smart Money Index for your perusal no responses 30/12/2014
GrahamFundmantals algo - simple screening on Benjamin Graham #Fundamentals 5 responses 29/12/2014
Trailing Stop-Loss 30 responses 29/12/2014
My List: The Seven Sins in System Testing 1 response 29/12/2014
algorithm not saved 3 responses 29/12/2014
How to get biggest movers from N days ago? 6 responses 28/12/2014
Fundamentals: how to query earnings_report data? 6 responses 28/12/2014
Common quantitative techniques for determining trend 5 responses 25/12/2014
Proof-reading my Python codes and logic - just a short one :) 2 responses 25/12/2014
How to use schedule function? 6 responses 24/12/2014
Intraday strategy - 15 minutes holding period 5 responses 23/12/2014
More examples with TA-Lib? 1 response 23/12/2014
TRADING COMMODITIES FUTURES no responses 23/12/2014
How do you create a new file? 1 response 22/12/2014
New to Algo Trading 2 responses 22/12/2014
fetch_csv question 3 responses 22/12/2014
don't believe what you hear on the net :) 1 response 22/12/2014
Can you make a custom fundamental metric? 3 responses 22/12/2014
My first algorithm 2 responses 21/12/2014
ETF NAV feed? no responses 20/12/2014
Anyone know a source for put/call ratio data for stocks 1 response 20/12/2014
Fundamental Data from Morningstar Now Available for Backtesting 52 responses 19/12/2014
optimization using quadratic return 4 responses 19/12/2014
New to Python: Data Structure Help 4 responses 19/12/2014
order_target(sid, 0) does not close out position 2 responses 19/12/2014
history function returns NaN even when forward fill is set to true 2 responses 19/12/2014
Suggestions on improving two-system trend algo 1 response 19/12/2014
Do Growth Stocks Beat the Market? 4 responses 18/12/2014
Calibration of algos? 2 responses 18/12/2014
Calculating dollar-volume 2 responses 18/12/2014
Fundamental data question 4 responses 18/12/2014
why is this Long and Short SPY strategy so volatile? 2 responses 18/12/2014
Fundamental Data Webinar happening in less than 24 hours no responses 17/12/2014
Found a strange result 3 responses 17/12/2014
How are acquired companies dealt with? 1 response 17/12/2014
Why does this code purchase the same stock twice? 4 responses 17/12/2014
Aggressive Short-Term Trading Based On Percent 4 responses 16/12/2014
How to filter by multiple sectors? 4 responses 16/12/2014
Referencing fundamental data of previous period 5 responses 16/12/2014
multiple algorithms running and the position and account object 1 response 16/12/2014
citigroup overnight returns since 2008 crash 4 responses 16/12/2014
Ex Japan Asia ETF Arbitrage 10 responses 16/12/2014
Format of dataframe 4 responses 16/12/2014
A quantitative value investing strategy using fundamental data 21 responses 15/12/2014
How could I access previous data from function "a = b + c" through the attribute ".loc"? 2 responses 15/12/2014
How can I get the values of VIX and VXV in an algo? To get history on Fetcher call? 6 responses 15/12/2014
Fundamentals Morningstar Ratings 16 responses 15/12/2014
Two Questions about IB Live Trading 4 responses 15/12/2014
Picking stocks using Earnings per Share no responses 15/12/2014
How to reference buy date? 3 responses 15/12/2014
Risk free rate in Sharpe Ratio computation 4 responses 15/12/2014
Is there a way to select specific stock from universe? 2 responses 15/12/2014
How Long Until Global Equities Are Available? 3 responses 15/12/2014
This algo did 8% better 1 response 15/12/2014
Again this algorithm doesn't work no responses 15/12/2014
This algo is not working 1 response 15/12/2014
OrderSecurityOutsideUniverse Error with Fundamental Trading 7 responses 14/12/2014
How to "chunk" minutely data into 5, 15, 78 minute bars? 8 responses 14/12/2014
How we define performance? 2 responses 14/12/2014
OLMAR algorithm w/ CVXOPT? 3 responses 14/12/2014
Help with my algorithm using fundamental data 1 response 14/12/2014
Using #Fundamentals growth ranking for healthy growth stock picking strategy 13 responses 14/12/2014
"history" for quandl's fetched csv data 1 response 14/12/2014
Quantopian script on Visual Studio 3 responses 13/12/2014
help with build error, Pandas pivot_table 1 response 12/12/2014
Sorry, me again! 2 responses 11/12/2014
Quantopian Miscalculation? 20 responses 11/12/2014
Community Poll: Expected Semantics of get_datetime() with a timezone argument in daily mode? 21 responses 10/12/2014
Missed the Hedge Fund Webinar? Watch the Recording no responses 10/12/2014
Has something changed? stop_reached not true when stop order filled 1 response 10/12/2014
Minutely History frame interval slicing 17 responses 10/12/2014
Live trading failsafes 2 responses 10/12/2014
Run Summary 16 responses 10/12/2014
New Feature: IB Account Information Available in Algorithm no responses 09/12/2014
Cash Settlements In Back Testing 4 responses 09/12/2014
Algorithm: t test using scipy 3 responses 08/12/2014
playing with momentum 4 responses 08/12/2014
Plot a function with the stock price? 9 responses 07/12/2014
Claim that More than 100% of SPY gains occur overnight 4 responses 07/12/2014
Q: dynamic universe 2 responses 06/12/2014
Environment Variables for the Run 14 responses 06/12/2014
Son's stock club yields different simulation results 7 responses 06/12/2014
Zipline/Quantopian : Major discrepencies using a cross-compatible code 8 responses 06/12/2014
New Feature Announcement: Debugger Built-in to the IDE 10 responses 05/12/2014
TypeError Runtime exception: TypeError: unsupported operand type(s) for -: 'str' and 'str'?? 4 responses 05/12/2014
ConnorsRSI for Leveraged ETFs including scaling and MFI safeguards 3 responses 05/12/2014
CVXOPT module 26 responses 05/12/2014
Limiting Purchases To Portfolio Size 6 responses 05/12/2014
IB ticker symbols not working? 2 responses 05/12/2014
How to assign internal history data to variables of algebra equation? 1 response 04/12/2014
newbie question - need help with simple back test 1 response 04/12/2014
Benchmark performance does not take % invested in account 1 response 04/12/2014
AQR Open Data no responses 03/12/2014
Access historical data outside handler_data 1 response 03/12/2014
Protip: replace TMF with BUNT when 1 response 03/12/2014
mavg function simple or expotential? 5 responses 03/12/2014
Hedge Negative Convexity Capture Against Rising Interest Rate 17 responses 02/12/2014
How to retrieve all symbols of a stock exchange ? 1 response 02/12/2014
we offer trading algorithms 3 responses 02/12/2014
Quantopian Tutor 2 responses 01/12/2014
Emerging Markets 2 responses 01/12/2014
Scheduling Times of the Day to Run This Trade 5 responses 01/12/2014
Timed Restriction On Re-Buying Stock 5 responses 01/12/2014
How do I turn my math equation into a coded algorithm? 4 responses 30/11/2014
MFI with apply 4 responses 29/11/2014
Newbie looking for some help 1 response 28/11/2014
History more than 1 sid 2 responses 28/11/2014
Calculate daily returns for the past x days 4 responses 27/11/2014
Help creating leveraged ETF index 5 responses 27/11/2014
Creating an algorithm that uses fundamental data 1 response 26/11/2014
How to get datetime from pandas history dataframe? 4 responses 26/11/2014
Gradient of SMA using regression analysis (numpy.polyfit) 6 responses 26/11/2014
Trading Strategy Interest 4 responses 26/11/2014
prior close to next open comparison no responses 26/11/2014
IB API? 17 responses 25/11/2014
Robotus: Buying and Selling Based on Market Sentiment 21 responses 25/11/2014
How do I get price from a symbol? ( A variable ) 18 responses 24/11/2014
Simple ML demo to port to QSTK 9 responses 24/11/2014
I'm new here. And I have so many questions! 8 responses 24/11/2014
context.portfolio.positions - how does it work 3 responses 24/11/2014
Getting fill price of filled order? 17 responses 24/11/2014
One Of The Most Striking Equity Market Anomalies Explained 12 responses 24/11/2014
Runtime exception: TypeError: int() argument must be a string or a number, not 'NoneType' 6 responses 22/11/2014
Is adjusted close price available using history()? 8 responses 22/11/2014
NYSE and Nasdaq stock ticker symbols list ready to roll 4 responses 21/11/2014
SMA Help needed 23 responses 21/11/2014
StopOrder Not Entering 1 response 20/11/2014
Global function - talib.SMA 3 responses 20/11/2014
Quantopian live trading synchronization? 4 responses 20/11/2014
Only long/short equities used in Quantopian? No options? 1 response 19/11/2014
System based on Easy Volatility Investing by Tony Cooper @ Double-Digit Numerics 82 responses 19/11/2014
Why this algo outperform SPY so much ? 6 responses 19/11/2014
Seeking Programmer 2 responses 19/11/2014
Fib ratios no responses 18/11/2014
Fading the gap algos? no responses 18/11/2014
EMA 50 vs 100 6 responses 18/11/2014
Shorting treasuries in premarket no responses 18/11/2014
Calculating VXV/VIX ratio 12 responses 18/11/2014
Modeling taxation costs 5 responses 18/11/2014
Why isnt this algorithm making any trades? What am i doing wrong? 8 responses 18/11/2014
Developer Needed no responses 17/11/2014
Colllaboration Request: Need Coder for 95%+ Success Rate Trading 5 responses 17/11/2014
Why can't a function see a variable that I declared global in a previous function 6 responses 17/11/2014
How to add entries to a dataframe? 5 responses 17/11/2014
Internal Bug discovered - email sent 3 responses 17/11/2014
Quantopian calculated Sharpe ratios seem much too high and don't match the zipline risk metrics 4 responses 17/11/2014
40% short UGAZ and 60% short DGAZ 1 response 16/11/2014
Intraday Gap / "New High" 3 responses 16/11/2014
Order process - clarification of how it works... 6 responses 16/11/2014
Example implementation of the Structural Arbitrage strategy 2 responses 16/11/2014
interpretation of difference between minutely open_price and prior close_price? 12 responses 15/11/2014
Seeking programmer 2 responses 15/11/2014
Swing 5 (modified 4) – Relative Strength Index Strategy 1 response 14/11/2014
Evidence of (futile) trading on moving average crossovers 1 response 14/11/2014
Announcement: New schedule_function method allows you to specify when a function runs 11 responses 13/11/2014
Multiple orders within same minute 1 response 13/11/2014
Still learning - any critiques on code setup welcome 1 response 13/11/2014
style=StopOrder working in backtests? 5 responses 13/11/2014
My best buy & hold linear combination portfolio no responses 12/11/2014
Need help with algorithm creation no responses 12/11/2014
Mavg vs history discrepancy 5 responses 11/11/2014
History command question 2 responses 11/11/2014
backtest standard reporting, transactions and realized gains no responses 11/11/2014
Go long 6 responses 10/11/2014
Negative Cash 4 responses 10/11/2014
Kelly Criterion Sizing 9 responses 10/11/2014
back testing running forever 1 response 09/11/2014
IDE questions ? 3 responses 09/11/2014
looking for source code 2 responses 09/11/2014
How to find date to go along with calls like this( prices = history(2, '1d', 'close_price')) 8 responses 09/11/2014
Dow Theory 1 response 09/11/2014
Suggestions on Quant Finance books/texts? 1 response 08/11/2014
Momentum Algorithm 6 responses 08/11/2014
Structural Arbitrage 6 responses 08/11/2014
Hedging 1 response 08/11/2014
Strategy Ideas 1 response 08/11/2014
Help with one-time trade, completely new to Quantopian programming.. 3 responses 08/11/2014
Syncing Fetcher with your Mac 1 response 07/11/2014
Intraday "Rolling History" 1 response 07/11/2014
Add and remove securities using an external file, fetcher 2 responses 07/11/2014
Is it possible to go short in Quantopian and how to close short positions ( I am new in Quantopian) 6 responses 07/11/2014
MultiLine comments not working - bug? 2 responses 06/11/2014
Dictionary problem - what am I doing wrong? 4 responses 06/11/2014
*** Significant warning for FX losses if you want to live trade from European Interactive Brokers account *** 3 responses 06/11/2014
How to automatically find good algorithms with Quantopian framework? 5 responses 06/11/2014
Indices problem - don't understand 3 responses 06/11/2014
How to send an email from within an algo? 3 responses 06/11/2014
Indicators 1 response 06/11/2014
Finding if the get_datetime() is a Monday 3 responses 05/11/2014
My first algorithm 10 responses 04/11/2014
RSI Hopping 10 responses 04/11/2014
Above SPY performance with 0.80 Sharpe and Max drawdown of 23.2% since 2007 no responses 04/11/2014
Updated Date! Join us for a Webinar on Nov 7 at 1PM EST 3 responses 04/11/2014
MethodCalledTooManyTimes: 0033 fetch_csv may only be invoked 5 times 10 responses 03/11/2014
MACD signal with Volume MA signal 3 responses 03/11/2014
Confused - no orders carried over? 5 responses 03/11/2014
Quantopian corrupts simple list. Why? How to work around? 2 responses 03/11/2014
Theano library CPU(quantopian) Vs GPU(zipline) no responses 03/11/2014
What is wrong with position size? 5 responses 03/11/2014
Harry Brown's resurrection ? no responses 02/11/2014
Array of 11k Stock Picks with symbol, time and idea 3 responses 02/11/2014
How to calculate Volume Moving Average 6 responses 02/11/2014
Proper way to remove NaN Data? 4 responses 01/11/2014
Help building a volume and price algo no responses 31/10/2014
Fun with the Editor and auto-save [ save-as, version control ] 5 responses 31/10/2014
Multiple fills on LMT, MKT orders? 2 responses 31/10/2014
universality of set_universe 2 responses 30/10/2014
Relatively Low-Risk, 48% Above Benchmark Return Since 2002 4 responses 30/10/2014
Help Me Please *novice* 2 responses 30/10/2014
S&P Sector Arbitrage 2 responses 30/10/2014
15 Million fund -- Quantopian is betting on you guys to produce 59 responses 30/10/2014
Random Forest for Universe of Stock - Extension of ( Simple Machine Learning Example ) no responses 29/10/2014
At the risk of reprising the HFT debate... 9 responses 29/10/2014
Clarification on Docs for handle_data()... 4 responses 29/10/2014
How can I get the moving averages of 200 days before my algo begins? 2 responses 28/10/2014
Meetup: Quantopian Python Programming at Stanford , Sunday Nov 2 3pm no responses 28/10/2014
Problem with Backtest - Bug Report 4 responses 28/10/2014
Build Error: 47 Error Runtime exception: ValueError: cannot convert float NaN to integer 1 response 28/10/2014
Addtitional data 1 response 28/10/2014
Pretty sure I have messed something up 8 responses 28/10/2014
Success stories? 52 responses 27/10/2014
Enhancement request for history() 2 responses 27/10/2014
Entire Universe Trading 7 responses 27/10/2014
Strange price history in debugger? 3 responses 27/10/2014
Q: If I get a DataFrame from history(), how do I sort it by date? 2 responses 27/10/2014
Eurodollar Commitment of Traders as a leading indicator 1 response 26/10/2014
Feed additional data into your algorithm from InfluxDB 3 responses 26/10/2014
Looking to work off a clone 2 responses 25/10/2014
Monolithic Code? 3 responses 25/10/2014
A typo in the help doc? 1 response 25/10/2014
How can i determine when to go long and when to go short 3 responses 25/10/2014
Backtester: annualized return figures & ratios 7 responses 25/10/2014
Bitcoin Trading 2 responses 24/10/2014
debugger problem. 12 responses 24/10/2014
NYMEX raw data 4 responses 24/10/2014
Maintenance requirements for short positions 3 responses 24/10/2014
Backtesting to Live Trading Progression example? 2 responses 24/10/2014
You rarely need to click 'Save' 1 response 24/10/2014
Getting past 30day minute data into algo 3 responses 23/10/2014
Implementing and Launching Deep Learning Algo 88 responses 23/10/2014
Initializing the full S&P 500 2 responses 23/10/2014
NEW GUY: How to log/record last buying price, so I can intergrate so algo. will only sell if current price > buying price 5 responses 23/10/2014
zipline and quantipian 2 responses 23/10/2014
minute data 4 responses 23/10/2014
Inputing a short order 1 response 22/10/2014
Average Volume Tool 3 responses 22/10/2014
History close price with 1d frequency in minute mode 3 responses 22/10/2014
Live trading on IB and data feed 2 responses 22/10/2014
Preprocess/Normalize Stock Prices as an input to a statistic analysis 2 responses 22/10/2014
Simple Neural network prediction example 5 responses 21/10/2014
Interactive Brokers lack of transparency 6 responses 21/10/2014
Why am I making (theoretical) money? 1 response 21/10/2014
How to implement a personal indicator in quantopian? 2 responses 21/10/2014
Adjustments made to cloned 'Statistical Arbitrage' algorithm 2 responses 21/10/2014
Build Power Algoritm 1 response 20/10/2014
Better performance with commissions added 4 responses 20/10/2014
How to get the closing price of the last trading day. 26 responses 20/10/2014
Conflict over multiple securities with the same symbol 5 responses 20/10/2014
Random Forest - Percent Change Threshold 2 responses 20/10/2014
Why does the daily data in Quantopian not match Yahoo or Google Finance? 2 responses 20/10/2014
Getting Yesterdays Bar - Open, High, Low, and Close using history? 3 responses 20/10/2014
Technical Analysis 2 responses 18/10/2014
Simple Algorithm for Exploiting Market Correction: QQQ 350% Return Over 4 Years 5 responses 17/10/2014
I think I found a glitch? 4 responses 17/10/2014
How to do individual stock wise backtest from Universe? 1 response 17/10/2014
How to save data permanently 9 responses 16/10/2014
Parallelize a Single Algorithm with Zipline 4 responses 16/10/2014
Algo Madness 3 responses 16/10/2014
Announcing the Quantopian Managers Program 2 responses 16/10/2014
Email Notifications for Trade Events 2 responses 16/10/2014
Method to get historic values from fetcher data 26 responses 15/10/2014
Why am I getting this error? 10 responses 15/10/2014
How can I limit the number of orders in a given day without stoping the algorithm? 2 responses 15/10/2014
Interactive Brokers: Limit-on-Close Orders 1 response 14/10/2014
Order at market open and at market close daily strategy 4 responses 14/10/2014
Adaptive Asset Allocation no responses 14/10/2014
Unexpected results having adapted Calhoun's MACD Crossover 2 responses 14/10/2014
Sneak peek and beta access for Quantopian's future research environment 8 responses 13/10/2014
'dir' output from debugger? 3 responses 12/10/2014
disable rebalancing 1 response 11/10/2014
how to properly import cvs. file with my own time-series dataset? 10 responses 10/10/2014
Number of owned shares? 6 responses 09/10/2014
Why are these two moving averages different? 6 responses 09/10/2014
How to know if a security is shortable? 9 responses 09/10/2014
My algorithm keeps buying me into the negative of cash. 3 responses 08/10/2014
3 X ETF TMF/UPRO rebalanced every 90 days.... 15 responses 08/10/2014
A lowly college student trying to become a algorithmic trader 13 responses 08/10/2014
Support Vector Regression in Python no responses 07/10/2014
Volatility - Williams Vix Fix Index 2 responses 07/10/2014
Unexpected behaviour with context.portfolio.positions[sid].amount 4 responses 07/10/2014
Help filter out ETFs from setUniverse 1 response 07/10/2014
Tracking positions within single handle_data call 3 responses 07/10/2014
Using the Fear and Greed index part2 1 response 06/10/2014
Statistical Arbitrage 1.7 sharpe, 8% drawdown 2 responses 06/10/2014
Runtime exception: TypeError: 'str' object is not callable 2 responses 06/10/2014
Stopping a real money algorithm and starting a new one 3 responses 05/10/2014
Average cash on hand during backtest 1 response 04/10/2014
Using Fear and Greed Index 1 response 04/10/2014
Some help would be appreciated 1 response 04/10/2014
Feature to download transactions 4 responses 04/10/2014
Statistical arbitrage 9 responses 03/10/2014
Backtest results different in minute and daily mode 13 responses 03/10/2014
Question on how to create a basic algo to compare two securities 1 response 02/10/2014
How to retrieve historical price of one day 1 response 01/10/2014
Problem of Bollinger Band Strategy from Ernest Chan's book 2 responses 01/10/2014
Limit to one buy and one sell a day 3 responses 30/09/2014
Critique my "Green Coffeehouse" 1 response 30/09/2014
Trading Control Error 2 responses 30/09/2014
Multiple stocks context initialisation function problem 13 responses 30/09/2014
Robinhood Mobile Trading App (Free) 1 response 30/09/2014
When a company gets acquired, my portfolio still owns shares of the original company. Is that right? 14 responses 30/09/2014
stop-limit order - how does it work? 15 responses 30/09/2014
non-volatile storage? 2 responses 29/09/2014
editor tabsize setting 2 responses 28/09/2014
Major Issue? Settled vs Unsettled Cash Reporting 9 responses 27/09/2014
Is there a way to have multiple benchmarks? 2 responses 27/09/2014
docs on 'data'. 5 responses 26/09/2014
Some glitches with history() [or my error] 2 responses 26/09/2014
Short leaders, Long Laggards 1 response 26/09/2014
Various Indicators 4 responses 26/09/2014
talib.ATR always returns NaN 1 response 26/09/2014
Oscillators Available? 4 responses 25/09/2014
Minimum Semi-covariance hedge ratio. 4 responses 25/09/2014
History is now available in daily mode for backtesting! 1 response 24/09/2014
Mean Reversion Algorithm - For Club Use 1 response 23/09/2014
Runtime Exception of TypeError due to assignment order? 3 responses 23/09/2014
Issue with symbols(...) 7 responses 23/09/2014
Bugs about ta_LINEARREG in talib? no responses 22/09/2014
ETF 20 - Ranked by 10-Year Percent Change 7 responses 22/09/2014
I am having problem with my first algo. 6 responses 21/09/2014
Updated Tutorials on IPython, Pandas, and Zipline no responses 21/09/2014
What more shortable vehicles can be used for a hedged convexity strategy? 26 responses 19/09/2014
Kick-starter Guide for Newbies 2 responses 19/09/2014
Intraday moving crossovers no responses 18/09/2014
Is this a good rebalance algorithm or does it need work? 4 responses 18/09/2014
Looking for a programming partner 5 responses 17/09/2014
how to find purchase time of positions ? 8 responses 17/09/2014
Runtime Error on Algo Identifying Pull-Back Extremes 5 responses 17/09/2014
get_open_orders() not working as expected ? 8 responses 16/09/2014
Average Volume and Floating Indicators 2 responses 16/09/2014
Are stock prices reversible in time? 3 responses 15/09/2014
How to make static daily data 5 responses 15/09/2014
Critical Line Algorithm for Portfolio Optimization 9 responses 14/09/2014
Interactive brokerage fees 4 responses 14/09/2014
Long and Short 2 responses 13/09/2014
Help building a backtest no responses 13/09/2014
How to Cancel All Open Orders 1 response 12/09/2014
Option trading on UVXY 5 responses 11/09/2014
how to detect the last bar of a backtest? (for generating a summary report) 6 responses 11/09/2014
Pair trading strategy executes at odd times although I have specified once a day at 3.55pm 8 responses 10/09/2014
How can a monitor remotely if my algo is running live and remote logging? 2 responses 10/09/2014
Question about converting HFT strategy to minute bars 2 responses 10/09/2014
How to build an intraday strategy? 6 responses 09/09/2014
New Feature: Sortable, Filterable, Full Backtest Results Tables no responses 09/09/2014
Issue with 20 DMA Breakout 3 responses 09/09/2014
A push in the right direction. 1 response 08/09/2014
Haha - beat this 3 responses 08/09/2014
I'm either an idiot or blind. 1 response 08/09/2014
Backtesting performance 3 responses 08/09/2014
Largest % Gainers 4 responses 08/09/2014
Intraday "high" frequency basket trading strategy 11 responses 07/09/2014
Portfolio Evaluation - PM 1 response 06/09/2014
Inheriting portfolio performance from a previous run? 3 responses 05/09/2014
Top Performing Stocks of Past Period 1 response 05/09/2014
Ranking Stocks based on signal percentiles 6 responses 05/09/2014
I am new Please give opinions and help 1 response 05/09/2014
Order Flow 7 responses 05/09/2014
Detecting high and low programmatically 7 responses 04/09/2014
Collaboration Request: Need help with dividend/value algorithm 1 response 04/09/2014
Sources for fundamental equities data? 2 responses 04/09/2014
Explore trading through IEX with Quantopian 6 responses 04/09/2014
Introductory Talk on Financial Analysis Tools for Python 7 responses 04/09/2014
Risk according to Beta value. 6 responses 03/09/2014
Long Exposure 1 response 03/09/2014
order_value and live trading 4 responses 03/09/2014
Find stocks with a volume spike 2 responses 02/09/2014
Find stocks with a volume spike no responses 02/09/2014
Trending Strategy - Pls give your opinion regarding the return pattern 7 responses 01/09/2014
How to stop algorithm but keep positions? 1 response 31/08/2014
Don't know where to start. 4 responses 30/08/2014
Cross over with t statistic on regression slope 2 responses 30/08/2014
Code to be executed at end 2 responses 30/08/2014
Introducing time-delay in a single "handle_data" run 3 responses 29/08/2014
Buying a basket of stocks based on another ETF's price? 2 responses 29/08/2014
How to detect if an order has been canceled? 3 responses 29/08/2014
Friday Reversion 1 response 28/08/2014
How can I sell automatically a few days later after I place a buy order? 6 responses 28/08/2014
order_target_percent ordering too much? 3 responses 27/08/2014
Quandl Csv Import, Simple question 3 responses 27/08/2014
Stop Loss doesn't seem to work 2 responses 26/08/2014
Algorithm that ranks and trades 2 responses 26/08/2014
Options Trading - Quick simple question - I'm a newbee 5 responses 26/08/2014
History function includes weekends 4 responses 25/08/2014
Random selection with ratcheting price 8 responses 24/08/2014
Difference between History and Batch Tranforms 1 response 23/08/2014
Price/Earnings Ratio Mean Reversion Strategy 23 responses 23/08/2014
Laguerre Moving Average 4 responses 22/08/2014
"Dark side of technical analysis" 8 responses 21/08/2014
Is there a way to program in shorting positions if I use indexes 1 response 20/08/2014
Trading on stochastic indicators 2 responses 20/08/2014
Twitter, is there code that can scan for trending tickers? and incorporate with a volume/momentum 10 responses 20/08/2014
How are indicators like SMA calculated for thinly traded securities? 3 responses 19/08/2014
Good-til-Cancelled orders for live trading 1 response 18/08/2014
TrailStop Algo with 200Dma Filter, Simple Question - Thanks 8 responses 18/08/2014
Accounting for events like IPO and Earnings 2 responses 16/08/2014
Announcement: Quantopian Office Hours 2 responses 15/08/2014
RSI with a Moving Average Cross component 2 responses 15/08/2014
New to Quantopian 3 responses 15/08/2014
Is this algorithm reasonable? ~70% returns with moving avg comparison 2 responses 15/08/2014
Anyone see any problems with this? I'm getting insane returns. 4 responses 14/08/2014
One Problem with Interactive Brokers 17 responses 14/08/2014
Offline/ online ZipLine/ Quantopian --> How to detect in code? 3 responses 13/08/2014
What is the error? It says syntax error on line 30 (marked below) 2 responses 13/08/2014
Bollinger Bands on multiple securities 1 response 13/08/2014
Mean Reversion Help! 2 responses 12/08/2014
Any way to select a random symbol? 2 responses 11/08/2014
Held orders and cancels 4 responses 11/08/2014
Multiple Pairs Trading Algo 4 responses 11/08/2014
Csv import, simple question 2 responses 11/08/2014
currencies 1 response 10/08/2014
What am I doing wrong? (SPY 50/200MA with short component) 17 responses 09/08/2014
Multiple pair trading strategy (Problems please help!) 18 responses 09/08/2014
Help with Basics Strategies 5 responses 08/08/2014
portfolio with 4 index funds (75% stocks, 25% bonds). 1 response 08/08/2014
What is going on with this algo? 2 responses 08/08/2014
history data and backtest daily 1 response 08/08/2014
Last Six Weeks of Minute Resolution Data From Google Finance no responses 07/08/2014
Where to get minute data? 6 responses 07/08/2014
Market orders filled price 1 response 07/08/2014
--- Error Execution timeout. 1 response 07/08/2014
Bracket Orders 3 responses 07/08/2014
How can we initialise the positions in the algorithm? 2 responses 07/08/2014
Dividing Arrays / Stochastic Momentum Index 3 responses 06/08/2014
Constant stocks allocation with dynamic inverse etf hedging 2 responses 06/08/2014
Algorithm using RSI 2 responses 06/08/2014
"Make a copy of this algorithm so you can explore and improve it." 1 response 05/08/2014
Code for Exponential Moving Average. (Newcomer) 3 responses 05/08/2014
Newcomer Question regarding stock screening to trade 4 responses 05/08/2014
Bogle heads recommended portfolio 1 response 05/08/2014
Feature request : limited offline mode for Quantopian 7 responses 05/08/2014
Positive Acceleration in Thinly Traded Stocks 2 responses 04/08/2014
Live Trading commissions - Questions 1 response 04/08/2014
Evaluating Trading Strategies, Campbell R. Harvey, Yan Liu 1 response 04/08/2014
Moving Strategy on 3D Printing Companies 1 response 02/08/2014
Set Timeframe (in minute mode) 5 responses 02/08/2014
Buy the dip, IBM no responses 01/08/2014
Principle Component Analysis of the Energy Sector 5 responses 01/08/2014
How do i get my program to check security signals periodically every 2 seconds? 7 responses 01/08/2014
AMD, buy the dip and sell on price consolidating upwards 9 responses 01/08/2014
Kinetic Component Analysis 23 responses 01/08/2014
Benchmark SPY Total Returns Question 2 responses 31/07/2014
Improvements I would like to see on Quantopian 10 responses 31/07/2014
Intraday price and time logging 10 responses 31/07/2014
Live Trading Questions 1 response 31/07/2014
New to Quantopian and Python - What does the main() function look like? 5 responses 31/07/2014
ATR Zone (Support for multiple stocks) 2 responses 30/07/2014
Risk Metrics 2 responses 30/07/2014
def initialize(context): - Called once per trading day? 1 response 30/07/2014
Simple strategy using industry leaders in tech sector 2 responses 29/07/2014
.properties and {dicts} and algos, oh my! 7 responses 29/07/2014
Looking for S&P / Nasdaq / Dow system. 1 response 29/07/2014
What version of Python does the Quantopian IDE use please? 3 responses 29/07/2014
MA trading system with ATR zones 8 responses 29/07/2014
Python Meetup India 1 response 29/07/2014
Access to Transaction details and other discrepancies 3 responses 28/07/2014
Statistics Stop Calculating, Universe Shrinks 4 responses 28/07/2014
What happened to Estimize 2 responses 27/07/2014
Modified sectore rebalance to add leverage and offset risk with MAs 1 response 27/07/2014
Rebalancing after threshold 2 responses 27/07/2014
Fetch, warmup, history -- need a working example? 3 responses 27/07/2014
Newbie Question - Accesing different timeframes 5 responses 27/07/2014
How to make Quantopian Python IDE's coding part full screen or just bigger 3 responses 27/07/2014
[Collaboration Request] Looking someone interested to learn together 2 responses 27/07/2014
Career Advice 2 responses 27/07/2014
Using Historic Performance & Stock Fundamentals to Create a Portfolio of decent CSR Stocks no responses 25/07/2014
Abstracting an Algorithm from One Stock to Many 6 responses 25/07/2014
Financial Metrics and Historicals 1 response 25/07/2014
History function 3 responses 25/07/2014
CSR Securities - Historic Performance (Backtests) 24 responses 25/07/2014
Historical Financial Info no responses 25/07/2014
Baby steps - A novice quant’s adventure begins. 14 responses 25/07/2014
Resource for Quantopians - A list of businesses that have good Corporate Social Responsibility and Ethical Standing - Ready to be dropped into your algorithms no responses 25/07/2014
Altcoin trading strategy 4 responses 24/07/2014
history for dailys and plotting/record for minutes 3 responses 24/07/2014
Can't use fraction exponents 2 responses 24/07/2014
Negative Cash 2 responses 24/07/2014
Stock IDs - Is there a list available anywhere please? 6 responses 24/07/2014
Historical Data 4 responses 23/07/2014
822910.1% Return...something can't be right?? 9 responses 23/07/2014
Algorithm Based Upon Earning Variable, Sales Percentage, and Earnings before Interest etc 1 response 23/07/2014
Algorithms for Ethical Investors - Is there an easy(ish) way to incorporate social / environmental responsibility into an algorithm? 10 responses 23/07/2014
Is it possible to utilize the alog's in stock markets like UAE, Saudi and Kuwait? 1 response 23/07/2014
My first Algo on Quantopian - Handpicking stocks from various sectors and combining with 24 day portfolio rebalance 9 responses 23/07/2014
Is there a way to backtest algorithms with India equity market? no responses 22/07/2014
I'm new to Quantopian, is it possible to combine strategies in one algo? 2 responses 22/07/2014
Examples of using Bollinger Bands 4 responses 21/07/2014
Backtest Vs. Live Trade Results 1 response 21/07/2014
Industry Leader 5 responses 19/07/2014
Just a quick Question 2 responses 19/07/2014
Intraday Strategy! Help 3 responses 19/07/2014
Volume Moving Averages 2 responses 18/07/2014
Triangular moving average crossover 5 responses 18/07/2014
[Collaboration Request] Looking for programmer interested in learning more about algo investing no responses 17/07/2014
30min averages 4 responses 16/07/2014
Changes in Historic Data causing Phantom Positions 1 response 16/07/2014
Reverse and inverse backtesting 1 response 15/07/2014
Question about value investing and underlying business metrics 3 responses 15/07/2014
Any comment on this backtest result for JPM/GS Pairs Trading? 3 responses 15/07/2014
Creating an MACD crossover signal with two time frames 1 response 15/07/2014
Simple Moving Average vs Current Price Compare 7 responses 14/07/2014
Problem with EOD closing: Runtime error 3 responses 14/07/2014
Storing previous 20-day's prices & volumes [Code Question] 10 responses 14/07/2014
Trading on multiple TA-Lib signals 3 responses 13/07/2014
Feature request: multiple files instead of one large code file 4 responses 12/07/2014
Using Quantopian Cross-Platform to Enhance Trading Signals? no responses 12/07/2014
How to use talib.ATR with history()? 8 responses 12/07/2014
Questions about MA on stock split 3 responses 11/07/2014
What is effect of increasing account balance of a real money live trading account 7 responses 11/07/2014
Blue Chip Algo 2 responses 10/07/2014
Simple wizards for building statistically valid models 3 responses 10/07/2014
Price Vs. VWAP 8 responses 10/07/2014
Code not visible in Live Trading <code> tab 3 responses 08/07/2014
Difference between SSO and SPY 2x leverage 5 responses 08/07/2014
Memory problems with set_universe no responses 07/07/2014
New to algorithmic trading and seeking expertise on what might be a wild fantasy 4 responses 07/07/2014
VPIN(volume synchronized probability of informed trading (VPIN) 5 responses 07/07/2014
calculate sharpe ratio--coding question 3 responses 06/07/2014
Need help putting together simple code to determine profitability of previously suggested trades 2 responses 06/07/2014
RSI percent rebalancing strategy 14 responses 05/07/2014
Another way to rebalance - simple price and volume return 1 response 05/07/2014
Market Technician Assoc. Symposium - in April 1 response 05/07/2014
More messin' with Volatility bias, long and short now. 3 responses 05/07/2014
Simple data panel example to help understand it. 1 response 05/07/2014
Portofio alternative view webinar from Tucker Balch no responses 05/07/2014
Lunar phase 12 responses 05/07/2014
OT low cost way to diversify 5 responses 05/07/2014
Volatility Bias - up range / total range strategy 27 responses 05/07/2014
Day trading strategy example - failed upside breakout 10 responses 05/07/2014
Funky flat basket strategy - depends on consistent oscillation 5 responses 05/07/2014
How to get benchmark and algorithm output in sync after warmup period? 9 responses 05/07/2014
New Feature: Symbol() to Reference Securities no responses 03/07/2014
Link investigating data mining bias in trading systems no responses 03/07/2014
Does quantopian have Matlab API 2 responses 03/07/2014
TA precomputation introducing bias?? 1 response 03/07/2014
Response to Investify's Myth Buster article 5 responses 02/07/2014
Calhoun's MACD Crossover 4 responses 02/07/2014
Market Sentiment, Market mood, FinSentS signals detection 23 responses 02/07/2014
Counter trend (limit orders, Zipline) 5 responses 02/07/2014
What is an opportunistic algorithm? 1 response 02/07/2014
you've got skills, I've got ideas.... no responses 02/07/2014
Trading Algo Question 1 response 01/07/2014
ROC in Quantopian? 8 responses 01/07/2014
Cointegration, RSI signals, Long Only 5 responses 01/07/2014
S&P 500 sector fund allocator 10 responses 29/06/2014
How do I implement an intra-day strategy? 1 response 28/06/2014
Bernoulli change point detection 2 responses 28/06/2014
delisted...a list? 1 response 26/06/2014
Noob request - bitcoin momentum 4 responses 26/06/2014
Backtest 6 responses 26/06/2014
New here - Need help with some basic stuff 4 responses 25/06/2014
Live algos not properly rendering on mobile 2 responses 25/06/2014
possible to run zipline within online backtester? no responses 24/06/2014
Trading on the RSI of the VIX and SPY 10 responses 24/06/2014
Commission via Interactive Broker 1 response 24/06/2014
auto-tuning? 12 responses 24/06/2014
Momentum Strategy with a Dynamic Universe 5 responses 23/06/2014
Is it possible to import urllib or urllib2? 2 responses 23/06/2014
How to get a stack trace from raised exception? 4 responses 23/06/2014
batch_transform or history functions on portfolio data? 2 responses 22/06/2014
Evolutionary Strategy 8 responses 22/06/2014
Best way to determine trend relationship in stocks? (R-Squared, Beta, etc) 4 responses 21/06/2014
New to Quantopian Community 4 responses 21/06/2014
Searching the S&P or a large subset of it? 2 responses 20/06/2014
Bug: "Active Live Algorithms" shows stopped algorithms 1 response 20/06/2014
When do orders placed get "registered" 3 responses 20/06/2014
Working with History DataFrames 14 responses 18/06/2014
Live trading - Limiting Total Strategy Exposure no responses 18/06/2014
1 minute history now available 12 responses 18/06/2014
History Function Comparing 2 Stocks 16 responses 18/06/2014
Some Feedback and Questions 3 responses 17/06/2014
Why many stocks have 0 RSI value? 10 responses 17/06/2014
Is there a way to see the number of securities in your universe 1 response 16/06/2014
Possible to set up alerts in quantopian? 1 response 16/06/2014
Newbie to Python - Need help in coding this simple snippet 10 responses 15/06/2014
Moving Average of Something Other than the Close Price 6 responses 15/06/2014
Python IDE Suggestions 3 responses 15/06/2014
Long-only counter-trend with Zipline 5 responses 14/06/2014
Whats the coding number for the e-mini s&p500? 2 responses 14/06/2014
How do I trade due to opening? 3 responses 13/06/2014
Profitable People 7 responses 13/06/2014
Cash after acquisitions 1 response 13/06/2014
Martingale Betting Strategy 6 responses 12/06/2014
feature request: highcharts percent compare 1 response 12/06/2014
security data sometimes contain nans - why? 8 responses 11/06/2014
talib.MACD(price_history[sid]) failing for dates earlier than one year ago 4 responses 11/06/2014
Anyone experienced with peer-to-peer decentralized markets on Bitcoin? no responses 11/06/2014
Suggestion for set_universe 4 responses 11/06/2014
runtime error : SIDData' object has no attribute 'price 1 response 10/06/2014
ValueError: sample larger than population 1 response 10/06/2014
Dynamic Portfolio Selection with the Kelly Formula 13 responses 06/06/2014
API + ETD Trading. 2 responses 06/06/2014
set_long_only() behavior? 6 responses 06/06/2014
why the data inconsistence between quantopian and google/yahoo? 4 responses 04/06/2014
How do I write and import my own modules that I can share in my algos 8 responses 04/06/2014
Two Factor Authentication Available for your Quantopian Account no responses 03/06/2014
ERROR: Computing the 1 period simple return 4 responses 03/06/2014
order target percent short 2 responses 03/06/2014
How do I get the properties of an event at a given time? 4 responses 03/06/2014
Live trading: 1 account per algorithm 2 responses 03/06/2014
machine learning and FANN 1 response 03/06/2014
why no minute-resolution graphs? 15 responses 03/06/2014
Newbie needs help! 1 response 03/06/2014
Delisted / Acquired Stocks 6 responses 03/06/2014
Quantum Game Theory in Finance 4 responses 31/05/2014
In Minute time frame backtesting, how to buy/sell on close price? 4 responses 30/05/2014
Moving Average 2 responses 29/05/2014
Enhancement: Increasing the limit of manually-entered SIDs to 200 in IDE no responses 29/05/2014
zipline compatible script 23 responses 29/05/2014
Long Only Strategy: allocate between bull and bear market portfolios 12 responses 27/05/2014
Donchian Channel Breakout Strategy 9 responses 27/05/2014
Slight Change with good return and low drawdown 7 responses 27/05/2014
Symmetric Trading Strategy no responses 27/05/2014
Dividend Strategies 1 response 26/05/2014
IDE extras 2 responses 26/05/2014
Combine Different Machine Learning Methods 2 responses 26/05/2014
Ehler's Stochastic. no responses 25/05/2014
Maximum number of ticker symbols in a back scan test? Dead Tickers, and Pre/Post Market hours trading data? 3 responses 25/05/2014
Looking for Assistance on matching Barchart.com data for one technical indicator no responses 24/05/2014
Bid/Ask spread data 17 responses 23/05/2014
long-only minimum variance portfolio using scipy.optimize.minimize 13 responses 23/05/2014
order_target_percent question 9 responses 23/05/2014
Covidien PLC historical data 2 responses 23/05/2014
New Feature: Trading guards for your algorithm 2 responses 22/05/2014
Fill Price of Market Orders 12 responses 22/05/2014
custom universe problem 2 responses 22/05/2014
Current open position 1 response 21/05/2014
Arbitrage algo failure, please help! 4 responses 21/05/2014
Collaboration on Trading System no responses 20/05/2014
API Tool: Time/Event Management for minute data 4 responses 20/05/2014
New Order Types for Interactive Brokers: VWAPBestEffort, Relative Order, and Exchange Routing 3 responses 20/05/2014
Finance Tutorials for Python or Matlab 1 response 19/05/2014
Trouble Porting Machine Learning Strategy to Quantopian 4 responses 19/05/2014
simple pairs strategy questions 3 responses 18/05/2014
attempting to create custom trailing data frames 4 responses 18/05/2014
Practice MC and Finite Difference coding projects 3 responses 17/05/2014
Strange Bug - for loop iterates on list of 4 items, 5 times 3 responses 16/05/2014
Tracking Backtest Commissions 1 response 16/05/2014
How to start coding ? 1 response 16/05/2014
Custom Slippage Model 1 response 16/05/2014
Less is more: small and simple mixed strategies 7 responses 16/05/2014
IDE Hotkeys 2 responses 15/05/2014
Can you make the Stop Algorithm button a little less prominent no responses 14/05/2014
Current Short Sale ban 6 responses 14/05/2014
Correct Stochastic Values 6 responses 14/05/2014
Using foreign equities. 3 responses 14/05/2014
Logs contradict backtest results 1 response 13/05/2014
Issues setting up live trading 4 responses 13/05/2014
How to use code like fetcher offline? 7 responses 12/05/2014
Contractor Opportunity no responses 12/05/2014
How To Look Back To The Previous Bar 13 responses 11/05/2014
Assigning Max-Notional to value of Total Cash in portfolio? 4 responses 10/05/2014
directly supplying integers to data[] 1 response 09/05/2014
Data dictionary 1 response 09/05/2014
How to close all open position ? 2 responses 09/05/2014
Conditional Use of history/batch_transform in Backtest 1 response 08/05/2014
Machine Learning: Turn $10K into $2.25M in two years (+22407% returns) by trading BRK_A (Berkshire Hathaway) with Random Forest 2 responses 08/05/2014
This DIA Sample? 1 response 08/05/2014
Negative cash when using the fetcher and order target percentage 5 responses 07/05/2014
Computational Complexity and Information Asymmetry in Financial Products no responses 06/05/2014
Fawce interview in Wilmott Magazine no responses 06/05/2014
full order doesn't get put in on the same day? 2 responses 05/05/2014
Run time error help 2 responses 04/05/2014
HIgh/low mavg crossover: tips or comments no responses 03/05/2014
Fetcher Execution Limit 2 responses 03/05/2014
Limit Order Not Shown In Live Trading Dashboard 1 response 02/05/2014
vwap(minutes) ? 1 response 02/05/2014
An array with all SIDs availables on Quantopian 2 responses 02/05/2014
record interpolating values? 4 responses 02/05/2014
best trailing stop 1 response 01/05/2014
Anyone developing strategy based on minute data? no responses 01/05/2014
Capital Allocation for Portfolio of Multi-Strategy and Multi-Instrument 6 responses 01/05/2014
Stochastic + Boillinger Band Strategy no responses 01/05/2014
Initial / Starting values 6 responses 30/04/2014
IbPython3 11 responses 29/04/2014
Using buy and hold as benchmark 1 response 29/04/2014
minute plotting 3 responses 29/04/2014
Is it possible to buy stock by cash and not shares? 9 responses 28/04/2014
Stochastic Trading Algo 4 responses 28/04/2014
questions from a newbie 1 response 28/04/2014
any plan to provide weekly data via history() function? 7 responses 28/04/2014
21 and Hungry - Want to learn as much as possible 8 responses 28/04/2014
using history() - cant pass barcount a variable? 3 responses 27/04/2014
Zipline help - backtesting using load_from_yahoo 1 response 27/04/2014
Rookie Q: how do I store data for consecutive ticks? 8 responses 27/04/2014
Finding the optimal value of a parameter or set of parameters 2 responses 27/04/2014
collab/help request - learning portfolio investment strategy 5 responses 26/04/2014
Average price in pre-calculated risk no responses 26/04/2014
Execution Timeout 3 responses 25/04/2014
Issues with dropbox, where to upload CSVs to? 5 responses 25/04/2014
Live results vs. backtest results at a glance 1 response 25/04/2014
Information about back-testing slippage and broker's fee? 1 response 25/04/2014
Difficult time pulling in API (Kimono Labs) 5 responses 25/04/2014
Tactical Bond Strategy 15 responses 25/04/2014
Why does fetcher not read saved data to dropbox from quandl? 2 responses 24/04/2014
Collab request on Robust Median Reversion Strategy 53 responses 24/04/2014
Simple algo that tries to earn money on speculators 8 responses 24/04/2014
buy/sell at known risk no responses 24/04/2014
Closing orders 2 responses 23/04/2014
How to use the Fetcher from Quandl Dataset to backtest the strategy via Quantopian? 5 responses 23/04/2014
What is the Quantopain's EMA, MACD or RSI Formula for the fixed 34-day window length? 1 response 22/04/2014
Runtime error with record 3 responses 22/04/2014
Why Does TA-Lib Method EMA Have the Same Result as SMA? It looks not right. 20 responses 20/04/2014
Nested SMA method algorithm 13 responses 20/04/2014
No trade for V error 2 responses 20/04/2014
A R&D Framework for Quantopian 4 responses 19/04/2014
Can't import scipy 5 responses 18/04/2014
Test a daily trading strategy using history and more than 500 stocks - API limitations 10 responses 18/04/2014
Define custom universe via Fetcher using the new universe_func callback 16 responses 18/04/2014
Selecting A Day of the Week 1 response 18/04/2014
Build Error Annoyances: "Nonexistent property:sid" 4 responses 18/04/2014
Has anyone tried to import a CSV with balance sheet data? no responses 18/04/2014
New method: Use set_benchmark to customize the benchmark in your backtest! 9 responses 18/04/2014
Tips for improvement on my mean reversion pairing algo 6 responses 18/04/2014
How to set a stop loss with a set universe? 5 responses 18/04/2014
Live trading on minute data timeouts 13 responses 17/04/2014
Has anyone tried to import a CSV with balance sheet data? 1 response 17/04/2014
Paul Tudor Jones with Algos 2 responses 17/04/2014
Creating a Universe of all of the stocks in a single index? 5 responses 17/04/2014
Inconsistent price and stock split 2 responses 17/04/2014
Margins 4 responses 17/04/2014
New Beta Feature: Collaboration! (now with screenshot walk-through) 3 responses 16/04/2014
code reuse 3 responses 16/04/2014
Unexpected behavior with limit orders 4 responses 16/04/2014
Ride speculation bubbles to the bottom and crash no responses 16/04/2014
Equal weight all sector strategy vs. SPY 8 responses 15/04/2014
Corrections to cumulative risk metrics 1 response 15/04/2014
India FnO 3 responses 15/04/2014
New Beta Feature: Collaboration! 11 responses 14/04/2014
Control Logging Threshold? 1 response 14/04/2014
feature request: version control, branching capabilities for algos 12 responses 14/04/2014
Several questions about building the algorithms 4 responses 13/04/2014
Serious questions: why are so many of the algos here returning +1000% over a few years? 11 responses 13/04/2014
Compare Minimum to Price 3 responses 13/04/2014
Running algos for Bovespa's Stocks 8 responses 12/04/2014
run backtest on two portfolios in parallel to manage one according to the other's NAV 2 responses 12/04/2014
Heartbleed And IB Authentication? 1 response 12/04/2014
How can I get daily indicator in minutely mode of backtesting and live trading? 6 responses 11/04/2014
Trying to Understand this Backtest 4 responses 10/04/2014
Building custom indicator in Quantopian 2 responses 10/04/2014
How to write a custom indicator in Quantopian? 2 responses 10/04/2014
Long only System trading need help in codeing 39 responses 09/04/2014
Complete Newb in need of a little help... 2 responses 09/04/2014
Macro Data 1 response 09/04/2014
Rebalance Algo: 9 Sector ETFs 23 responses 09/04/2014
First algo: pair trading a portfolio with a test for cointegration via Engle-Granger and Augmented Dickey Fuller 4 responses 08/04/2014
Site Outage Tonight at 5pm EDT - April 8, 2014 1 response 08/04/2014
Pairs Trading with Chevron and Exxon 8 responses 08/04/2014
Dynamic Programming for Multi-Period Portfolio Selection no responses 08/04/2014
Mergers and Acquisitions 2 responses 07/04/2014
First algorithm: maximizing alpha 3 responses 07/04/2014
Mean Reverting of Two Stocks 3 responses 06/04/2014
Pandas 1 response 06/04/2014
Paper Trading With Interactive Brokers - Open Beta Launch 97 responses 04/04/2014
Why is backtest data off from other data sources? 4 responses 04/04/2014
ta.MAX() 1 response 03/04/2014
Error parsing csv file from dropbox 7 responses 03/04/2014
Oanda Support 1 response 03/04/2014
High Frequency Hyperbole 15 responses 02/04/2014
DV2, DVB or other mean reversion indicator needed, suggestion? 6 responses 01/04/2014
What does the timestamp mean? 1 response 01/04/2014
60 Minutes transcript 3 responses 01/04/2014
IB Trading outside normal exchange hours 1 response 01/04/2014
No Logs output in Minute Backtests 8 responses 31/03/2014
Exiting at the close of the next day 2 responses 30/03/2014
build error help 8 responses 29/03/2014
Conditional to new pandas dataframe 3 responses 28/03/2014
My first Simple moving average crossover 1 response 28/03/2014
Anomaly in Backtester maybe ? Can this be explained? 3 responses 27/03/2014
Get the Time of the day ( a time object of any form) when a stock attained its minimum on a given trading day. 6 responses 27/03/2014
Anik's first algorithim 1 response 27/03/2014
Efficient Frontier: fixing highly concentrated portfolios 3 responses 26/03/2014
How to get started in creating a simple Python Arbitrage algorithm 9 responses 25/03/2014
OCA orders 2 responses 25/03/2014
exchange_time = pd.Timestamp(get_datetime()).tz_convert('US/Eastern') // Something went wrong on our end. Sorry for the inconvenience. 10 responses 25/03/2014
charts of intraday data (where can i find it online?) 4 responses 25/03/2014
trade SPY after 4pm? 2 responses 25/03/2014
Use the Fetcher for ANY Quandl Dataset 13 responses 24/03/2014
Moving Average One Month Ago 2 responses 24/03/2014
Using Bitcoin Market Activity as a Trading Signal 3 responses 24/03/2014
EXPERTS HELP NEEDED TO FILTERS TO REDUCE DRAWDOWN, 2 responses 24/03/2014
Trading by Weekly Approval Rating 2 responses 23/03/2014
possible to write a custom commission model? 1 response 23/03/2014
Removing cash from portfolio to pay taxes 19 responses 23/03/2014
Bug in order_target_percent 3 responses 23/03/2014
In Live Trading with IB, does Quantopian sync up positions with IB? 3 responses 23/03/2014
Python Lib for Research/Experimenting outside of Quantopian 9 responses 22/03/2014
Pair Trade - Exxon and Chevron no responses 21/03/2014
6 Month Return - Best Test Stock 1 response 21/03/2014
This algorithm is not connected to Interactive Brokers. Log in to IB. Can't log into this IB account because it is already in use. 15 responses 21/03/2014
Your algorithm v/s buy and hold strategy 7 responses 21/03/2014
MA Crossover 9 responses 20/03/2014
Simple Strategy Test 1 response 20/03/2014
Competitive Securities Algorithm 5 responses 20/03/2014
Run second-level data on zipline 2 responses 19/03/2014
My very first algorithm... 2 responses 19/03/2014
screen to drop securities from list by trade date? 4 responses 19/03/2014
Unsupervised Learning: K-Means Clustering Algorithm on Daily Price Parameters 2 responses 18/03/2014
Failed Backtests 4 responses 18/03/2014
Question on Pair Selection for Pairs Trading 1 response 18/03/2014
Period of Length for Cointegration Test for Pairs Trading 1 response 18/03/2014
5 10 20 Crossover Strategy with Leveraged ETF 17 responses 18/03/2014
Your trading workflow and quantopian no responses 18/03/2014
Incredibly Simple Bitcoin Algo 9 responses 18/03/2014
How to implement a two period algo? 4 responses 17/03/2014
Live IB Quant key metric track BLOG 2/14 no responses 17/03/2014
How to order a stock using the Yahoo price 10 responses 17/03/2014
Resources for Learning Algorithm Design? 4 responses 17/03/2014
portfolio local to algorithm? 3 responses 16/03/2014
what version of python does quantopian use? 2 responses 14/03/2014
Set up a UserVoice site to better collect/prioritize feature requests 2 responses 14/03/2014
Trading Idea - single stock method 2 responses 14/03/2014
New Algorithms Help 2 responses 14/03/2014
No more gambling, dart throws! Winning, proven algo. 3 responses 13/03/2014
Real Money no responses 13/03/2014
Comparing Multiple Variables 5 responses 13/03/2014
IDE Troubleshooting 2 responses 13/03/2014
Mean Reversion 7 responses 13/03/2014
Referencing external data. 1 response 13/03/2014
New (experimental) feature: easier symbol lookup 25 responses 13/03/2014
when are interday orders executed? 3 responses 13/03/2014
Same code, same period: different results metrics 1 response 13/03/2014
Arb with ETF and Underlying 1 response 12/03/2014
WTI future moving average algo 1 response 12/03/2014
Can you get 52 week-high without fetching outside data? 3 responses 12/03/2014
List the Stocks obtained from Set Universe 4 responses 12/03/2014
Editing a live trading algo 4 responses 12/03/2014
Statistical Arbitrage Part II - Steady Gains 2 responses 12/03/2014
Are there any meetups of Quantopian Community in India 6 responses 12/03/2014
Calling Historical Prices 1 response 12/03/2014
Realistic Commission Model For IB 6 responses 12/03/2014
Modeling transaction fees 2 responses 12/03/2014
Averaging Historical Stock Prices 6 responses 12/03/2014
Mean reverting VWAP algorithm 1 response 11/03/2014
Statistical Arbitrage Try 2 responses 11/03/2014
Difference between Bloomberg data and Quantopian for SPY 2 responses 11/03/2014
bug: risk metrics are miscalculated (overall metrics) 8 responses 11/03/2014
Realised volatility function 9 responses 11/03/2014
Help with test strategy please. 1 response 11/03/2014
New Feature: Member to Member Messaging 1 response 10/03/2014
Help with timeframe! 2 responses 10/03/2014
Help with Art-Project 4 responses 10/03/2014
Using Fetcher and Functions 7 responses 10/03/2014
Does order_value() include commission? Possible crash if wrongly used. 1 response 10/03/2014
Logs not getting generated (or getting lost) 1 response 10/03/2014
defininition and uses cases for last_sale_price? 6 responses 09/03/2014
How to closeout at EOD 6 responses 08/03/2014
Class for tracking Margins 4 responses 08/03/2014
Computing compounded returns 12 responses 08/03/2014
stddev of mavg & console 2 responses 08/03/2014
Quantopian reddit interview 1 response 08/03/2014
Moving Average based algorithm help 5 responses 08/03/2014
High Gains - Low Returns. Is this right? 3 responses 07/03/2014
Fixed Slippage - Help 1 response 07/03/2014
NoneType runtime error 4 responses 07/03/2014
My first triplet 1 response 07/03/2014
Common Types of Trading Algorithms 3 responses 07/03/2014
Frustrating Experience with switching to minute backtests 8 responses 06/03/2014
sid calling dataframe index 9 responses 06/03/2014
Berkshire Class Ratio as a Buy Point Indicator 4 responses 05/03/2014
Why have a daily model if it cannot go Live 3 responses 05/03/2014
ARIMA function in statsmodels.tsa.arima_model module is giving error. 12 responses 05/03/2014
CSS Analytics 1 response 05/03/2014
Limit Universe by Industry or Sector? 2 responses 04/03/2014
Beginner Question: Windows of Data 2 responses 04/03/2014
the simplest algorithm 3 responses 04/03/2014
Quantopian as R&D environment? 12 responses 04/03/2014
RSI calculation 4 responses 04/03/2014
Forex Data 9 responses 04/03/2014
delayed order fill for SPY - why? 11 responses 04/03/2014
I think my algorithm is spending more money than it has. 5 responses 04/03/2014
How to get the previous day close price 5 responses 03/03/2014
NYC 1 day conference 'for Python Quants' on March 14th no responses 03/03/2014
New Zealand stock exchange 1 response 03/03/2014
Current Portfolio Value 1 response 02/03/2014
Can't get algo to record values and calculate pivot points. 2 responses 02/03/2014
constructing sid from int? 11 responses 02/03/2014
DUK price not adjusted during stock split 5 responses 02/03/2014
multi-security portfolio collaboration strategies? 1 response 01/03/2014
calls to handle_data - every minute under live trading? 11 responses 01/03/2014
Size constraints on CSV files imported using fetcher? 1 response 01/03/2014
poor (or erratic) performing large-volume ETFs? 4 responses 01/03/2014
Ernie Chan's EWA/EWC pair trade with Kalman filter 40 responses 01/03/2014
VWAP vs MAVG? 1 response 01/03/2014
How to sell short? 9 responses 28/02/2014
error - UnboundLocalError: local variable 'order_id' referenced before assignment 5 responses 28/02/2014
Why does batch_transform behave like this? 20 responses 27/02/2014
Backtests showing markedly different results with $100mm instead of $10mm 2 responses 27/02/2014
Exit after X days? 14 responses 26/02/2014
Ravenpack/Deltix conference slides no responses 26/02/2014
Grid-searching for profitable cointegrating portfolios? 28 responses 26/02/2014
Help with partial profits & stop-loss 2 responses 26/02/2014
algo time out? 3 responses 25/02/2014
Playing around with Quant no responses 25/02/2014
excellent blog post on NAS Trading no responses 25/02/2014
Paid service for implement the strategy 1 response 25/02/2014
Limit Order execution at varying prices 23 responses 25/02/2014
ETA on Dividend Data to Algos 3 responses 24/02/2014
Why unusually high result? 3 responses 24/02/2014
Diversified portfolio, monthly rebalance for live trading 25 responses 23/02/2014
commodity futures 6 responses 23/02/2014
Cross-Sectional Strategies (Ernest Chan), please help! 6 responses 21/02/2014
hack for intra-minute price discovery? 5 responses 21/02/2014
history feature ...are there plans for minute history and for daily backtest? 2 responses 21/02/2014
Does anyone know where to find reliable intra-day trading strategies? 2 responses 20/02/2014
Common data analysis issues no responses 20/02/2014
Date constrained trading: HELP! 8 responses 20/02/2014
Any forex trading support? 1 response 20/02/2014
How to specify Short Sell interest and complex commission calculation? 1 response 20/02/2014
Quandl Python API 5 responses 19/02/2014
how to cancel all open orders? 12 responses 19/02/2014
margin questions 3 responses 18/02/2014
Statistical Analysis of the January Effect 1 response 18/02/2014
Usage & Syntax Of STOP Orders 46 responses 18/02/2014
sid for Nasdaq Composite Index and Nasdaq 100 2 responses 18/02/2014
Momentum Algo Based on # of Days 4 responses 18/02/2014
Historical SP500 stocks based on market cap... 3 responses 18/02/2014
DIA Trend Within Trend 1 response 18/02/2014
Why cancel orders at end of day? 12 responses 18/02/2014
DIA Trend Within Trend 9 responses 17/02/2014
Question on Stock Prices when Executing Trades 2 responses 17/02/2014
Handling Of Orders That Cannot Be Filled By Broker 5 responses 17/02/2014
Why doesnt this buy? two lines of code 4 responses 17/02/2014
Algorithm with Aroon from TA-LIB 8 responses 17/02/2014
Batchtransform, history day vs. minute 10 responses 16/02/2014
market-closed gap trade 47 responses 16/02/2014
Example about how to trade at market close and clear position at tomorrow open...And Bug report 1 response 16/02/2014
@Jessica Stauth Question about trade at specified time 1 response 16/02/2014
confused with order execution time 9 responses 15/02/2014
Quantopian API - timestamp information lost? 5 responses 15/02/2014
how could i buy at close and sell at next day open? 16 responses 15/02/2014
Retrieving historic minute data 2 responses 15/02/2014
Monte Carlo Methods in Finance 5 responses 15/02/2014
documentation question about slippage 1 response 14/02/2014
Talib EMA documentation question 9 responses 14/02/2014
general questions about initializing cash and margins 1 response 14/02/2014
How is the portfolio allocation adjusted? 4 responses 14/02/2014
Help with code 8 responses 14/02/2014
order command question 1 response 14/02/2014
get event data as pandas dataframe? 3 responses 14/02/2014
For the chartists among you (if you have not already seen these pdfs) 1 response 14/02/2014
small questions about the limitations of quantopian 1 response 13/02/2014
documentation small question 1 response 13/02/2014
Bug: wrong stats from dead stocks 5 responses 13/02/2014
Intraday strategy - Gap play, please help! 14 responses 13/02/2014
Installing Zipline 2 responses 12/02/2014
What criteria determines if backtest is successful? 4 responses 12/02/2014
Help with algo! 5 responses 11/02/2014
Sample Algo (VWAP) with variable short/long volumes 6 responses 10/02/2014
Sample Algo (VWAP) with variable short/long volumes no responses 10/02/2014
Code data dependency 4 responses 10/02/2014
Quant Strategies Implemented by the Quantopian Community no responses 10/02/2014
Dividend Adjustments 8 responses 09/02/2014
Code Import 4 responses 09/02/2014
Charting Historical data and overlaying multiple stocks 4 responses 08/02/2014
Trade at the open slippage model 21 responses 07/02/2014
Position Entry Date 9 responses 07/02/2014
Possible Real Money Bug 4 responses 06/02/2014
Trying to find the highest, or max value within a window, getting an error 6 responses 06/02/2014
custom money flow index (MFI) w/ history API 8 responses 05/02/2014
Black-Scholes 5 responses 05/02/2014
Parabolic Time Price System 3 responses 05/02/2014
Swing trade between two ETFs 1 response 05/02/2014
Help requested. I'm hesitant to use the system, having learned some Python, but not being a nubee to trading 7 responses 04/02/2014
Visualizing Implied vs Realized Volatility no responses 04/02/2014
Stopping and Starting Algorithms 3 responses 04/02/2014
data[context.security].stddev(30) 4 responses 04/02/2014
Limit Order, Market order, How real is this? 14 responses 03/02/2014
How to customize the benchmark/Trading Environment? 1 response 03/02/2014
How to get order filled immediately? 3 responses 02/02/2014
Building screeners/tops/stats 10 responses 02/02/2014
Where is Quantopian headed? 4 responses 02/02/2014
help with etf pairs trading algorithm 4 responses 01/02/2014
how to share an algorithm 2 responses 01/02/2014
Entry Signals 18 responses 01/02/2014
Backtester Change: Updated Benchmark 7 responses 31/01/2014
pandas warning? 3 responses 31/01/2014
Meta Optimization and Portfolio Selection 1 response 30/01/2014
How to create a Break-Out model? 11 responses 30/01/2014
Transaction Costs/Slippage 1 response 30/01/2014
Order Target Percent 3 responses 29/01/2014
My algorithm won't sell shares, only buy. Check my code? 1 response 29/01/2014
Sample using History and Stochastics 8 responses 28/01/2014
Help me write simple algorithm 1 response 27/01/2014
Difficulty building custom CSV file 14 responses 27/01/2014
Zero curve code 3 responses 27/01/2014
history API version of scikits-learn example ("finding co-fluctuating stocks") no responses 26/01/2014
Record Moving Average of stock ratio 5 responses 26/01/2014
Sell vs Short 22 responses 25/01/2014
Setting Min Price and Min Volume Filters 6 responses 25/01/2014
Selecting of a universe based on daily traded volume and higher stock price 8 responses 24/01/2014
Identifying Optimal Stop Loss no responses 24/01/2014
KCG and TNH sids broken? 11 responses 23/01/2014
Tactically short gamma (synthetic via ETFs) 15 responses 22/01/2014
batch transform w/ set_universe hangs - what am I doing wrong? 3 responses 22/01/2014
MA Strategy - Simple 2 responses 22/01/2014
Leveraged ETFs no responses 22/01/2014
A few questions regarding platform 6 responses 22/01/2014
Applying Leverage 2 responses 21/01/2014
Kalman Filter 3 responses 21/01/2014
Options Trading 4 responses 21/01/2014
load_bars_from_yahoo values differ from quantopian values.... 6 responses 21/01/2014
How can i replace the benchmarks with local files? 2 responses 21/01/2014
A question about split adjustments 1 response 21/01/2014
Hedging Equities 8 responses 20/01/2014
Is Small Beautiful? no responses 20/01/2014
Tutorials? 6 responses 19/01/2014
Garbage in, garbage out (biases in data analysis) no responses 19/01/2014
Custom P&L measurement does not reflect backtest results 6 responses 19/01/2014
moving average crossover 2 responses 19/01/2014
Build error with no details 2 responses 19/01/2014
Wonky algorithm / benchmark returns 6 responses 19/01/2014
What would it take for you to invest real money with an algorithm? 2 responses 18/01/2014
Restricted Sharing 1 response 18/01/2014
Testing on a larger scale 13 responses 18/01/2014
Calculating M.A. and St.Dev. of variables 18 responses 18/01/2014
Where to see latest changes on the backend? 1 response 18/01/2014
Backtesting - Optimization Methods 2 responses 18/01/2014
help dealing with missing bars 1 response 17/01/2014
Stability of Principal Components 5 responses 17/01/2014
CSV File For Minute Data Event Series Error 8 responses 17/01/2014
Swallowing the Python - a backwards approach to learning the language 4 responses 17/01/2014
Mebane Faber 200 DMA model with dow jones 2004 components 5 responses 16/01/2014
Real-time inflation index for sector rotation strategy 3 responses 16/01/2014
Perhaps some help interpreting what I've done 10 responses 16/01/2014
Fetcher Newbie Question 2 responses 16/01/2014
Benchmark 1 response 16/01/2014
Modelling Sports Data 7 responses 15/01/2014
Trying to understand history() 1 response 14/01/2014
Does Trade data sometimes go missing? 2 responses 14/01/2014
Save A Variable 1 response 13/01/2014
Black-Litterman 30 responses 13/01/2014
Hello / Newbie Questions 1 response 12/01/2014
Intra-Day Equity Trading Ideas 1 response 12/01/2014
Multiple stocks (limited to S&P 500 only) 1 response 11/01/2014
Signals' Values different from other tools - how can you trust them? 12 responses 10/01/2014
variable as record series name 7 responses 10/01/2014
Global Minimum Variance Portfolio Using Exponential Smoothing 7 responses 10/01/2014
Monte Carlo simulation 3 responses 10/01/2014
Markowitz Portfolio Construction 20 responses 09/01/2014
? 1 response 09/01/2014
Multi-strategy aggregator 1 response 09/01/2014
The Investment Strategy Based on Attention--Zirong You 4 responses 08/01/2014
Method for identifying Overbought vs Oversold conditions for Equities 7 responses 08/01/2014
Optimal Portfolio Choice - Quick Intertemporal Hedging Backtest 12 responses 07/01/2014
Trading Algorithm Performance vs Buy and Hold 4 responses 07/01/2014
What are the major sources of retail positioning / open positions ? 4 responses 07/01/2014
Updated Privacy Policy and Terms of Use no responses 06/01/2014
Where do I start? 2 responses 06/01/2014
Sending MKT and MOC orders before markets open on daily bars 5 responses 06/01/2014
Margin Requirements 5 responses 05/01/2014
Beginner assistance 2 responses 05/01/2014
Loading files other than CSV. 8 responses 05/01/2014
Full list of security sid's? 2 responses 05/01/2014
Dividend Algo 1 response 05/01/2014
How should acquired companies be handled? 1 response 04/01/2014
How can I get a security object? 2 responses 03/01/2014
How to analyze historical prices? 7 responses 03/01/2014
Is there a way to utilize the mavg method from .CSV data? 1 response 03/01/2014
Controlling Multiple Algos 4 responses 02/01/2014
Questions from Gary and David 1 response 02/01/2014
Beginner: Where to start learning more? 2 responses 31/12/2013
Some suggestion of benchmark 3 responses 31/12/2013
avoid NaNs w/ history API - most efficient approach? 6 responses 31/12/2013
Profit-taking 6 responses 31/12/2013
Sorting through securities 4 responses 30/12/2013
Daily data underestimates beta 1 response 30/12/2013
own data 1 response 29/12/2013
General Back Tracing Question 4 responses 27/12/2013
Dual Exponential Moving Averages trading SPY and SH 1 response 26/12/2013
history API: NaN in result dataframe 6 responses 26/12/2013
finding percentage of year complete? 1 response 24/12/2013
Regression Slopes 2 responses 23/12/2013
screen for highly volatile but uncorrelated stocks? 4 responses 21/12/2013
Is there any way to look at stock fundamentals? 1 response 21/12/2013
Is there any way to look at stock fundamentals? 6 responses 21/12/2013
NoTradeDataAvailable 2 responses 20/12/2013
Graphs - Suggestion no responses 20/12/2013
Odd Lots 2 responses 20/12/2013
how do I get the benchmark return inside the algorithm? 1 response 19/12/2013
Introducing new stocks into a model 4 responses 19/12/2013
No Trade Data Available - Minute bar - in the middle of a back test period. 3 responses 19/12/2013
OLMAR 3.0 using new order and history features 21 responses 19/12/2013
Ernie Chan's EWA/EWC pair trading 8 responses 19/12/2013
Request for Next Trading Day Focused SP500 L/S Strategy Ideas no responses 18/12/2013
Weird problem in implementing EWA/EWC pair trading: different prices in Logs and Full Backtest 3 responses 18/12/2013
Newbie - zscore and index deviation 2 responses 18/12/2013
How to implement a volume surge 6 responses 17/12/2013
Help(Intraday backtest): How to get Highest high of today and yesterday ? 9 responses 17/12/2013
Hello, New to Quantopian, please kindly help 2 responses 17/12/2013
Minute Data, Minimum Variance 1 response 17/12/2013
Pair Trading Strategy - AAPL/QCOM 1 response 17/12/2013
Understanding the Profit and Loss Distribution of Trading Algorithms 1 response 17/12/2013
Why good daily backtests fail at minute backtests? 14 responses 15/12/2013
Why doesn't TALIB allow you to get indicators on Weekly prices as opposed to just Daily? 3 responses 14/12/2013
set_universe command 1 response 14/12/2013
Why can't I use 'Series'? 2 responses 14/12/2013
Post-mortem of 2013-11-15 security breach 3 responses 13/12/2013
My first algo: ema crossing and request for help 4 responses 13/12/2013
Rules based sector rotation strategy based on Mebane Faber research 7 responses 12/12/2013
New Features: History and New Order Methods 8 responses 12/12/2013
What data does quantopian use? (SPY, SH) no responses 11/12/2013
Coursera: Mathematical Methods for Quantitative Finance 1 response 11/12/2013
Issue with posting code in forum 2 responses 10/12/2013
Keeping algorithm from adding in additional cash for purchases? 3 responses 10/12/2013
New Sample Algorithm 34 responses 10/12/2013
Calculation of Cumulative Max Drawdown 1 response 09/12/2013
My PyArb stat arb module 2 responses 09/12/2013
Securities Code 1 response 09/12/2013
Improved Minimum Variance Portfolio 19 responses 09/12/2013
Trading Candle Patterns 2 responses 08/12/2013
testing an alorithm no responses 08/12/2013
Insufficient stock history for specified backtest timeframe 1 response 08/12/2013
Minimum Variance Portfolio 8 responses 08/12/2013
Strange Result 1 response 07/12/2013
problem w/ history API & pandas rolling mean 8 responses 07/12/2013
The classic GLD and GDX pair trading 1 response 07/12/2013
Epic fail for stat-arb 23 responses 06/12/2013
long-only SPY w/ similarity metric indicator no responses 06/12/2013
history API - how to order sids? 1 response 06/12/2013
Is there an output data file which is generated via backtester? 7 responses 06/12/2013
Contrarian strategies: how to constitute a pfolio based on P/E & P/B 1 response 05/12/2013
portfolio_value property on the portfolio object 1 response 05/12/2013
running Zipline locally on windows 7 machine 1 response 05/12/2013
Adding ATR trailing stop to algo 14 responses 05/12/2013
Bond Etf's vs Spy Dollar neutral strategy 6 responses 04/12/2013
3 parameter fitting strategy 4 responses 04/12/2013
Minimum Variance Portfolio on selected stocks 5 responses 04/12/2013
How to enter "short" order logic into algo? 6 responses 04/12/2013
FEAR & GREED DIA VS GLD PAIR SPREAD TRADE 15 responses 03/12/2013
IVV - Core S&P 500 ETF VS Bond ETF Dollar neutral strategy 9 responses 03/12/2013
Change Benchmark, Add breakpoints, TA-Lib beta function (relative index)? 8 responses 03/12/2013
Calculation Of Algo Return Vs. Benchmark Return no responses 02/12/2013
Mean Reversion Strategy with GLD & USO 7 responses 02/12/2013
Using data from the previous bar? 1 response 02/12/2013
Intraday Trades 11 responses 02/12/2013
Trading idea: Buy on last day of month and sell first day of month end of day [under construction] 4 responses 02/12/2013
Quantopian 2 responses 02/12/2013
How to get hold of open/ close prices from load_from_yahoo ? 1 response 01/12/2013
Erratic results 3 responses 01/12/2013
Having some trouble with sklearn 1 response 01/12/2013
Interesting stuff from a Microsoft Developer regarding Python development 5 responses 30/11/2013
Does ZipLine in GitHub reflect latest code changes of Quantopian? 2 responses 30/11/2013
Augmented Dickey-Fuller test - useful? 2 responses 30/11/2013
7D SMA of Sentiment as an overbullish or overbearish indicator 5 responses 29/11/2013
How do I shift the moving average of an imported CSV chart? 16 responses 28/11/2013
Bond Etf's vs Spy Dollar neutral strategy no responses 28/11/2013
How to delete posts? no responses 28/11/2013
How to Buy IPO's 2 responses 28/11/2013
Help with an SP&500 ATR Strategy 15 responses 28/11/2013
Help with my simple algorithm 1 response 27/11/2013
Sid/Ticker Set 5 responses 27/11/2013
GLD vs. GDX 2 responses 26/11/2013
Pairs trading algorithm 12 responses 26/11/2013
$GLD/$IAU Pairs trading template 4 responses 25/11/2013
Online "ide" eats code 3 responses 25/11/2013
First Algo, would appreciate citique. 3 responses 25/11/2013
2 period RSI strategy 3 responses 25/11/2013
Modern Portfolio Theory - Minimum Variance Portfolio 18 responses 25/11/2013
Trading using simple P/E values and momentum 1 response 24/11/2013
Help with fetch_csv versus read_csv 6 responses 24/11/2013
Trading Strategy: Capitalize on panic in the SPY - please review no responses 24/11/2013
SPY & SH, minute data 80 responses 24/11/2013
How can one perform live trading on Indian Market(NSE) 1 response 24/11/2013
Exporting Results of Quantopian Backtests 1 response 24/11/2013
Help to run a simple strategy 6 responses 24/11/2013
modified "Simple Passive Momentum Trading with Bollinger Band" 9 responses 23/11/2013
Williams %R 4 responses 23/11/2013
How to benchmark against other strategies 1 response 23/11/2013
posting graphics on Quantopian? 2 responses 22/11/2013
Fun with averages - newbie needs feedback :) 13 responses 22/11/2013
Cross Above or Cross below in the moving average 6 responses 22/11/2013
What is a trading event? 7 responses 21/11/2013
Stop Order and TA-LIB Questions 2 responses 21/11/2013
What am I doing wrong with using Relative Strength Indicator for a Universe of Stocks -94287607.6% Return 3 responses 21/11/2013
A Jump Start Template no responses 20/11/2013
DJIA historical stock data 2 responses 20/11/2013
Debug algo based on Sample SPY 2 responses 19/11/2013
Noob: How make a strategy that profit in bitcoin? 6 responses 19/11/2013
Simple Passive Momentum Trading with Bollinger Band 3 responses 18/11/2013
rotational strategy based on return over last (X) days 1 response 18/11/2013
Greetings and Some Suggestions 2 responses 18/11/2013
Welcome back guys !!! 1 response 18/11/2013
Help writing algorithm 3 responses 18/11/2013
What's the meaning of the backtest result ? 4 responses 14/11/2013
Simple "Moving Average Ratio" Strategy 23 responses 13/11/2013
Get ready to live trade with Quantopian: sample algo for daily rebalance 8 responses 13/11/2013
How to calculate moving average price with dynamic days ? 10 responses 13/11/2013
Divergence of price and indicators 4 responses 13/11/2013
Ideas Thread 2 responses 12/11/2013
Debug this algo based on the Sample SPY 2 responses 12/11/2013
New to Quantopian and got a couple of questions 4 responses 11/11/2013
Newbie needs help 2 responses 11/11/2013
Theano? Is there a plan to make it available? 1 response 11/11/2013
TA-Lib Volume Error 3 responses 09/11/2013
A 'Dynamic' Universe Via set_universe 1 response 09/11/2013
paper trading questions 7 responses 09/11/2013
Running zipline in python client - transforms do not work? 3 responses 07/11/2013
Help to develop a simple algorithm 2 responses 07/11/2013
What are the best steps/strategies to perform cross-validation on time series data? 1 response 06/11/2013
Batch Transform help 7 responses 06/11/2013
Augmented Dickey-Fuller (ADF) test, SPY & SH dollar-volume 8 responses 06/11/2013
working with starcluster / zipline / Ipython 4 responses 06/11/2013
What are required for the live trading? 2 responses 05/11/2013
Using the Fetcher with Quandl 7 responses 04/11/2013
Open Price v. Close Price 7 responses 03/11/2013
Can you arbitrarily change portfolio.cash 1 response 03/11/2013
Calculating Sharpe Ratio 9 responses 03/11/2013
confused by fetcher and rename_col 3 responses 01/11/2013
Need help selecting prices on an arbitrary day 2 responses 01/11/2013
Best ways to leverage this platform 2 responses 01/11/2013
Help a student in writing his senior thesis! 3 responses 01/11/2013
security issue no responses 01/11/2013
Why do I get "Error" on this line? 2 responses 01/11/2013
Adding Penny Stocks 3 responses 01/11/2013
is there a limit to the number of SIDs that can be referenced? 6 responses 01/11/2013
What Are "Total Returns?" 8 responses 31/10/2013
Following the 'Big Players' 2 responses 30/10/2013
Dynamic Hedging Strategy with a Synthetic Protective Put position (Help Requested) no responses 30/10/2013
Black Box Trading - sample algorithm explanation 4 responses 28/10/2013
List of SIDs 3 responses 28/10/2013
Tool for Fundamental Algos in Zipline 3 responses 28/10/2013
Checking data on the next bar 1 response 26/10/2013
Trading Strategy Using Markov Chains 2 responses 26/10/2013
Determining price direction using exponential and log-normal distributions 12 responses 26/10/2013
Optimisation In Backtesting 6 responses 25/10/2013
Quantopian on 'VentureBeat', 02-Oct-2013 2 responses 25/10/2013
Proposed changes to Fetcher and universe selection 17 responses 25/10/2013
SPY & SH algorithm - please review 21 responses 25/10/2013
Handling data from prior to the first trading day. Theres a Yahoo CSV tool here too. 5 responses 24/10/2013
Yahoo financial data 4 responses 24/10/2013
Beating Market Consistently by Trading on Technical Information? 10 responses 24/10/2013
Blog of potential interest 1 response 24/10/2013
Feature Request: Lookup Of SID By Symbol 1 response 24/10/2013
Using Economic Indicators in your algorithms (Beginner's algorithm with fetcher) 2 responses 23/10/2013
TA-LIB RSI using something other than close price? 14 responses 23/10/2013
odd lots? 10 responses 22/10/2013
Quantopian-sponsored Meetup Series - want to meet the Quantopian team in a city near you? 5 responses 22/10/2013
TA-lib and Simple Transform data question 1 response 22/10/2013
Simulating Bitcoin Call Option Prices using Black Scholes Model 4 responses 21/10/2013
Dollar Value Averaging 4 responses 21/10/2013
Can someone look at my implementation please? 3 responses 21/10/2013
How is initial capital used? 3 responses 21/10/2013
Feature Request: Display HH:MM In Log Entries In A Minutely Backtest 1 response 17/10/2013
Missing Data Issues 3 responses 16/10/2013
Sharpe ratio, other risk metrics change; Slippage in Live Trading 2 responses 16/10/2013
The Awesome Algorithm - Trade at the end of the day 1 response 16/10/2013
thinly traded stocks - why no gaps? 24 responses 16/10/2013
When you first came across Quantopian, how did you learn the basics? 8 responses 15/10/2013
Clocking our algos... 1 response 15/10/2013
Trading Strategy: Statistical Arbitrage and Mean Reversion 5 responses 14/10/2013
TA-Lib Candle Patterns: Help Wanted 1 response 14/10/2013
Candle Pattern: 'Upside-Gap Two Crows' no responses 13/10/2013
Paying broker's trade fees... code snippet... 4 responses 13/10/2013
Can I Use A Buy-Stop Order? 10 responses 12/10/2013
OLMAR w/ NASDAQ 100 & dollar-volume 33 responses 12/10/2013
TA-Lib Pattern Recognition 1 response 12/10/2013
First days going live... errors and blanks... 3 responses 11/10/2013
Smoothed Prices, Multiple SIDs And TA-Lib For MA Cross-Over no responses 11/10/2013
Margin Call Watch. 2 responses 10/10/2013
Permanent Portfolio (Beginner's algorithm to learn the system) 8 responses 10/10/2013
Examples of Parameter Optimization? 28 responses 10/10/2013
Accessing data via fetcher (Fund cloning algorithm) 14 responses 10/10/2013
Compare multiple Securities against an algorithm? 6 responses 10/10/2013
Interesting papers 8 responses 10/10/2013
Share Your Best Performing Algo, 2002 - 2012 8 responses 10/10/2013
Importing Date Lists for Earnings Dates, etc [AAPL Keynotes] 1 response 09/10/2013
Question about calling a url in python 2 responses 09/10/2013
Newbie ?: Why aren't trades shown? 2 responses 08/10/2013
All Season Fund - Scotts Investments. Daily rebalancing with fixed target weights 12 responses 08/10/2013
Context or Inhering from TradingAlgorithm 2 responses 07/10/2013
Working With Local Data, Downloading the Database 4 responses 06/10/2013
Momentum stock filter 2 responses 05/10/2013
Benchmark Has Returns For Day 1 - Why? 9 responses 04/10/2013
Algorithm and Benchmark index for dummies. 1 response 04/10/2013
tried with min back test error occured stumped help please ?????? 1 response 04/10/2013
Confused by @batch_transform 4 responses 03/10/2013
changed the opening balance to $10,000 but the first trade was 1/4 million... 1 response 03/10/2013
Skewness as a Trend Signal 2 responses 02/10/2013
Simple Classifier Trading for Predicting Long/Short Positions. 6 responses 02/10/2013
Neural Network that tests for mean-reversion or momentum trending 12 responses 02/10/2013
DeMark Indicators: Anyone Using These Or Interested In Them? 3 responses 02/10/2013
Feature Request: Personal Messaging Amongst Members 2 responses 02/10/2013
Trading Strategy: Mean-reversion 22 responses 02/10/2013
"Chance of U.S. government default less than 10 percent, economists say: Reuters poll" 1 response 02/10/2013
Free Seminar: MATLAB for Quantitative Research and Analytics (London, 13th November, 2013) no responses 01/10/2013
Using R from within Python in Quantopian 2 responses 30/09/2013
Looping to compare all stocks to pick highest gainer 5 responses 30/09/2013
Favorite technicals and combinations thread: no responses 30/09/2013
Working with a team using quantopian? 3 responses 30/09/2013
TAlib throws AttributeError when fetched data is present 2 responses 29/09/2013
Help me write this Simple algorithm? 2 responses 28/09/2013
How do i change the Sid? 1 response 28/09/2013
Initializing the portfolio 5 responses 28/09/2013
A listing of available data sources? 9 responses 27/09/2013
Draft Proposal of New Data History API 53 responses 27/09/2013
Help needed: How to apply TA-lib to fetched data? 3 responses 26/09/2013
Find rank of current day return against past x days 9 responses 25/09/2013
Can Google Trends search queries contribute to risk diversification? 11 responses 24/09/2013
FYI: ta-lib Pre-Compiled Binary Available 12 responses 24/09/2013
Fun with BBRY 1 response 23/09/2013
Equity curve "straightness" measures no responses 23/09/2013
Quantopian 'Search' Feature - Of Limited Use As Presently Implemented? no responses 23/09/2013
Question regarding an ability to use user define tickers data source 8 responses 23/09/2013
Running Optimizations 6 responses 23/09/2013
batch transform confusion 8 responses 22/09/2013
Ernie Chan is giving a (so far) excellent talk at the MATLAB Virtual Conference right now 10 responses 19/09/2013
Why does the data in handle_data have different dates for some securities? 6 responses 19/09/2013
Can someone help me figure out the Quantopian code needed for my first algorithm? 8 responses 17/09/2013
conversion from Ninja script to Python no responses 17/09/2013
Perfect Predictions Plus Noise no responses 17/09/2013
Need a little python help... 5 responses 17/09/2013
My first algorithm - MACD crossover 4 responses 16/09/2013
Hurst Exponent 52 responses 16/09/2013
Artificial Neural Networks for Prediction 4 responses 15/09/2013
Simple 'Sanity Check' For Algos? 3 responses 14/09/2013
MA cross-over w/ RSI 49 responses 14/09/2013
live data feed? 8 responses 14/09/2013
Reinvestment and the risks related no responses 14/09/2013
Missing Data? 5 responses 13/09/2013
Timeframes discussion 25 responses 13/09/2013
Would Anyone Like To Share Performance Stats On Minutely Algos? 7 responses 12/09/2013
(Minor) Bug In Display Of Custom Data 1 response 11/09/2013
Help Needed: TA-Lib 2 responses 11/09/2013
TA-Lib questions 2 responses 11/09/2013
UI Editing Issue 1 response 10/09/2013
Moving average crossover versus benchmark 7 responses 10/09/2013
European market using fetcher 3 responses 10/09/2013
Batch Transform In Minute Backtests 5 responses 09/09/2013
Market on close orders 4 responses 09/09/2013
DLM(dynamic linear model) implementation 3 responses 09/09/2013
Help Needed: Daily Indicators In A Minutely Backtest 8 responses 09/09/2013
Minutely Backtesting, Compute Cost Etc. 4 responses 08/09/2013
Do the Algorithms generaly have If/Then rules or criteria incorporated in them?? 1 response 08/09/2013
Algo and High Frequency Trading - Basic questions to get me started.. 5 responses 08/09/2013
Global market rotation strategy buggy implementation 58 responses 07/09/2013
bug w/ security_end_date? 2 responses 07/09/2013
How Can I Tell If It's The Last Period Of A Backtest? 6 responses 07/09/2013
using serial autocorrelation/momentum of strategy returns to adjust bet size? 3 responses 06/09/2013
List Of NASDAQ 100 SIDs To Use In Your Algo 23 responses 06/09/2013
Question On Benchmark Returns 1 response 06/09/2013
Unspecified Error With Multiple SIDs 2 responses 05/09/2013
Checking that trade data exists for a security 2 responses 05/09/2013
Issue with timestamps 7 responses 05/09/2013
I di a longer dated test and this algo doesn't seem to work all that well. 3 responses 05/09/2013
how to get yesterday's close? 6 responses 05/09/2013
log.info() problem 7 responses 05/09/2013
A sample Dip Buying System - Need help with error 23 responses 04/09/2013
Anyone recreated Stan Weinstein's "Profit in Bull & Bear Markets" algo? 11 responses 03/09/2013
Request for a starting point on Sector Rotation Strategies 2 responses 03/09/2013
Re-run simulation automatically 2 responses 02/09/2013
stock price 30 days ago? 7 responses 02/09/2013
How to retrieve order filled price? 3 responses 02/09/2013
Differences between Quantopian & Wealthlab no responses 01/09/2013
50/200MA Crossover Strategy SPY, no short component 3 responses 01/09/2013
ZeroDivisionError 7 responses 01/09/2013
Where do I start? 3 responses 01/09/2013
Weeeee, selling unlimited shares! 4 million percent growth! 12 responses 01/09/2013
My first algorithm test. no responses 31/08/2013
SPY/BND z-score trade 9 responses 30/08/2013
2 Minute Portfolio 1 response 30/08/2013
Mean Reverting Strategy - broken no responses 30/08/2013
error w/ record function 5 responses 29/08/2013
missing performance thumbnails on backtest posts? 1 response 29/08/2013
Trading on Golden Cross - Please Help 2 responses 29/08/2013
Runtime error with vwap no responses 28/08/2013
Help with fetcher and filling NAN values 10 responses 28/08/2013
Backtester Changes Coming, Sharpe Ratio Calculation Change 9 responses 27/08/2013
Issue with RSI 11 responses 27/08/2013
First Algorithm: Berkshire A/B Arbitrage 2 responses 27/08/2013
Pairs trading Implementation 3 responses 26/08/2013
Record : TypeError: Non-numeric value 0 2008-01-02 00:00:00+00:00 inf 3 responses 25/08/2013
How do I refer to bollinger bands? 2 responses 25/08/2013
MACD in Hour periods 2 responses 24/08/2013
VIX Put Call Ratio 2 responses 23/08/2013
Fetcher problems 7 responses 23/08/2013
calculation period and Timestamp 1 response 23/08/2013
Using poisson distribution to predict price change 3 responses 23/08/2013
Mega Cap Companies of S&P 500 - Moving Average - Long Only 2 responses 22/08/2013
Any ML algo? 2 responses 22/08/2013
Are the past webinars archived anywhere? 1 response 22/08/2013
Please give me feedback! Capturing momentum in the difference between the moving averages 5 responses 21/08/2013
Course on Computational Investing 4 responses 21/08/2013
Question Regarding the Benchmark 13 responses 21/08/2013
comparing 3 day old stochrsi with current stochrsi 4 responses 21/08/2013
Changes to TALib API, Output Names no responses 20/08/2013
Sector Rotation Strategy.... 15 responses 20/08/2013
Some trouble with Fetcher syntax 3 responses 20/08/2013
How to use RETURNS() ? 2 responses 19/08/2013
relatively simple Income investing idea no responses 19/08/2013
Daily or Minute testing? 2 responses 18/08/2013
Help on Live Trading and opening an Interactive Brokers account? no responses 18/08/2013
bug follow up 6 responses 17/08/2013
Please give me feedback on Moving average algo based on fluctuations 4 responses 16/08/2013
Python binning? 10 responses 16/08/2013
Please help with Set universe! 10 responses 16/08/2013
Using Insider Trading as a Signal 4 responses 15/08/2013
Returns and Dollar P/L questions 4 responses 15/08/2013
Cant access Webinar.. 1 response 15/08/2013
Errors 5 responses 15/08/2013
Buying and Selling at the same price without slippage 1 response 14/08/2013
Cloud power 1 response 14/08/2013
Problems with data feed's prices 10 responses 13/08/2013
Question on Paper trading 3 responses 13/08/2013
In Live trading is there an open order expiry timeline? 4 responses 13/08/2013
Live Paper Trading 1 response 13/08/2013
Some code from Ernie Chan's new book implemented in Python 36 responses 13/08/2013
Help Needed With 'Fetcher' 2 responses 13/08/2013
Fetcher Question 4 responses 12/08/2013
First Algo Testing 3 responses 12/08/2013
Profitable Mean Reversion After Large Price Drops 24 responses 12/08/2013
Put Call Ratio Help 5 responses 11/08/2013
Paper trade $1,000.00 minimum capital base? 10 responses 11/08/2013
Fetcher - Signal imports and how to access columns not labeled 'price' 1 response 11/08/2013
Any Plans To Support TA-Lib Candlestick Pattern Recognition? 2 responses 11/08/2013
Why can't I use context.portfolio in initialize() 5 responses 09/08/2013
ta.MACD values don't match Google or Yahoo finance charts? 14 responses 09/08/2013
Institutional ownership by stock feed? 7 responses 09/08/2013
get_early_closes function 2 responses 08/08/2013
Would like some help coding strategy...MACD, RSI, W%R, Stochastic.... 12 responses 07/08/2013
Shifting the moving average... 3 responses 06/08/2013
Cum dividend versus Ex dividend 2 responses 06/08/2013
Using Python and converting Tabs to whitespace. 3 responses 05/08/2013
Why the live paper trading always says Market Closed 2 responses 05/08/2013
Is it possible to do live trading with a daily trading frequency? 9 responses 04/08/2013
Updated Round Numbers Strategy 2 responses 04/08/2013
Force Index 8 responses 03/08/2013
Logging and closing price, am I'm missing something? 10 responses 02/08/2013
Dividends and algorithm 4 responses 02/08/2013
Actual Trading 9 responses 02/08/2013
Commodity futures multiplier 2 responses 02/08/2013
Data variable 6 responses 01/08/2013
I got a 80% return with a simple modification of the sample algorithm. 4 responses 01/08/2013
Value at Risk - Historical Simulation 5 responses 01/08/2013
Minor website changes today 2 responses 31/07/2013
Error in log files? 7 responses 31/07/2013
Accessing the latest data in a batch transform 10 responses 31/07/2013
Algo trading course notes 3 responses 31/07/2013
Python Newbie Question 4 responses 31/07/2013
Help with Zipline 2 responses 30/07/2013
Question on calculated max drawdown 4 responses 30/07/2013
Turtle Trading Strategy 63 responses 30/07/2013
Newbie Question-Testing Imported data as if was SID no responses 30/07/2013
Newbie Question-Backtesting Imported Data 2 responses 30/07/2013
warm-up for backtests? 3 responses 29/07/2013
Help - Exception: inputs are all NaN 11 responses 29/07/2013
SPY 200MA Backtest w/short 11 responses 29/07/2013
MA Crossover Backtest QQQ no responses 29/07/2013
200MA SPY Backtest 3 responses 28/07/2013
"Browser too old" 2 responses 28/07/2013
Calculating Slope or Magnitude of a Trend? 4 responses 28/07/2013
Use a trailing stop loss 4 responses 28/07/2013
Matlab 5 responses 27/07/2013
Moving averages help! 7 responses 26/07/2013
Daily volumes 1 response 26/07/2013
Curriculum of study/books 18 responses 26/07/2013
Unknown Issue With Algo 4 responses 26/07/2013
Backtesting - Evaluating Algorithms - Are we doing it the right way? 4 responses 26/07/2013
Live Trading runtime error, no details 4 responses 24/07/2013
sid all market? 1 response 24/07/2013
Volatility breakout v0.2 with Portfolio 9 responses 24/07/2013
Using DAX as a leading indicator for S&P 2 responses 23/07/2013
Template: Limiting Leverage (by Brandon Ogle and Dan Sandberg) 5 responses 23/07/2013
Automate strategy 6 responses 23/07/2013
Quantopian portfolio limit 5 responses 23/07/2013
List of all S&P 500 stocks 5 responses 22/07/2013
Testing Survivorship bias 3 responses 19/07/2013
Position object does not have amount property? 1 response 19/07/2013
market-on-close (MOC) orders? 28 responses 19/07/2013
How can I use commodity futures data like CME copper or LME copper for backtest? 6 responses 18/07/2013
Quantopian's Sharpe ratio does not match MorningStar/Yahoo 15 responses 18/07/2013
The concept of time in Quantopian 4 responses 18/07/2013
Using the CNN Fear & Greed Index as a trading signal 38 responses 18/07/2013
Trading details for Google Trends Search no responses 18/07/2013
Momentum Trade (AAPL) 1 response 18/07/2013
Candlestick Patterns 7 responses 17/07/2013
can lamda be used to look back? 6 responses 16/07/2013
Template: Limit Leverage in Your Algos 23 responses 16/07/2013
Problem With Algo - Build Error with no Deatails 3 responses 16/07/2013
Alternative Editor 4 responses 16/07/2013
Log length 6 responses 16/07/2013
Algorithm at a disadvantage 15 responses 16/07/2013
Pausing my trading until n-many days into the backtest 13 responses 16/07/2013
Initiating order at Open which initiates other orders when filled 1 response 16/07/2013
How an Indian citizen can trade through Quantopian/Interactive Brokers 2 responses 16/07/2013
Shorting in pairs 3 responses 16/07/2013
Question about Log files and algorithm 6 responses 16/07/2013
How can I find Swing Trading Algorithms here? 5 responses 16/07/2013
New feature: TA-Lib support 14 responses 15/07/2013
Problems with algo - data block is not recognized?? 9 responses 15/07/2013
Simple Pair 6 responses 15/07/2013
help needed with EUR/USD algo 4 responses 14/07/2013
Simple MAV.Wrong results 4 responses 13/07/2013
IDE has stopped working 1 response 13/07/2013
Algo adding target to current_price instead of subtracting... 1 response 12/07/2013
Pattern matching strategy 9 responses 11/07/2013
Ticker changes 5 responses 11/07/2013
Is this even close to correct? 24 responses 10/07/2013
a few basic questions... 4 responses 09/07/2013
Reply to Todd Koorbusch no responses 09/07/2013
Difference/features between Quantopian and MetaTrader etc 4 responses 09/07/2013
How would I modify this Moving Average Algo to execute on today's closing price instead of the next day's close 6 responses 09/07/2013
Fading the Gap Algo Bug? 2 responses 09/07/2013
How do you generate ideal buy/sell/hold signals which require looking at future data 5 responses 09/07/2013
Algorithms and their titles are now encrypted in our database no responses 09/07/2013
Stops 1 response 09/07/2013
scrapy would be nice 2 responses 09/07/2013
Berkshire Hathaway Not Available? 7 responses 08/07/2013
Implementing BackPropagation - Questions no responses 08/07/2013
Coke vs Pepsi: An Integration Trade 4 responses 08/07/2013
Question about get_order() 5 responses 08/07/2013
SPY 50/200 SMA crossover 7 responses 07/07/2013
Algo Not Selling 7 responses 07/07/2013
Risk/Return metrics - suggestion no responses 06/07/2013
Question on Return/BenchmarkReturn table - Is this correct? 4 responses 06/07/2013
Need algorithm to filter financial data from SEC filings from all stocks exchanges 1 response 06/07/2013
One Trade a Day 16 responses 06/07/2013
Question about live trading? 3 responses 06/07/2013
Lipstick / Nail polish Index 1 response 06/07/2013
Need help writing Algo??? 1 response 06/07/2013
Twitter instead of Google Analytics using keyword debt 1 response 05/07/2013
Standalone application and/or API to interface with external application?? 8 responses 05/07/2013
Dealing with time 3 responses 05/07/2013
sid procedure 6 responses 04/07/2013
github repository 3 responses 04/07/2013
How would I check for a gap up or gap down to previous day's close 3 responses 03/07/2013
Newbie Question - Security Data 5 responses 03/07/2013
Learning Python? 9 responses 03/07/2013
Basic Algorithmic Trading Question and Concern 1 response 02/07/2013
New Properties on sid() Object no responses 02/07/2013
Simple Monthly Relative Strength Strategy by DaveG 10 responses 02/07/2013
Offline Development 2 responses 02/07/2013
Working through algo bugs 2 responses 02/07/2013
Duplicate Stock Symbol BND 5 responses 01/07/2013
Help with error on 1st algorithm 6 responses 01/07/2013
How to create different time intervals? 6 responses 28/06/2013
Deriving trading signals from SeekingAlpha.com 2 responses 28/06/2013
live trading w/ Interactive Brokers - lessons learned? 6 responses 28/06/2013
TA-Lib 4 responses 27/06/2013
Looking for a BRANCH/SKIP code 4 responses 27/06/2013
Problem with Live Trading 3 responses 26/06/2013
problem opening quantopian.com 5 responses 26/06/2013
Distributing an order and ordering with a limit no responses 25/06/2013
Paper trading/sentiment analysis 3 responses 25/06/2013
Problem with video tutorial 1 response 25/06/2013
Anyone know how to code for cup and handle pattern? 5 responses 25/06/2013
Backtest.org 2 responses 25/06/2013
Is there a list of tickers and their respective SIDs? 1 response 25/06/2013
Price lookup 6 responses 24/06/2013
50/200 SMA Golden Cross 9 responses 24/06/2013
Paper Trading Tech Stock Momentum 14 responses 23/06/2013
How to get a security object (or sid) for a data loaded via fetcher 6 responses 23/06/2013
Initialization with Existing Portfolio of Securities 3 responses 21/06/2013
Slow Trade Long Only 60 Day Hold Strategy 21 responses 21/06/2013
measuring money flows? 15 responses 21/06/2013
Is there a way to view the priceline(s) and or indicators (rather than just portfolio performance..) 1 response 21/06/2013
Help With Stock Returns 4 responses 20/06/2013
Custom Slippage: Modeling Transaction Costs for Algorithmic Strategies 1 response 20/06/2013
Problem with fetcher_csv? 6 responses 20/06/2013
Quantopian data with Zipline? 33 responses 20/06/2013
Understanding Fetcher, Batch transforms & Yahoo Data better 3 responses 19/06/2013
First trading date 8 responses 18/06/2013
Trending Up / Trending Down no responses 18/06/2013
Technical Indicators in Python 4 responses 18/06/2013
Deriving trading signals from Wikipedia page views (new feature!) 14 responses 17/06/2013
Ivy Portfolio 200-SMA 4 responses 17/06/2013
problem understanding context.portfolio.cash and capital_used 11 responses 16/06/2013
SPY & SH, z-score indicator 11 responses 15/06/2013
batch_transform custom field question 4 responses 14/06/2013
Attempted a MACD two lines cross over strategy. 3 responses 14/06/2013
Long SPY. This strategy is based off the sample. 1 response 14/06/2013
SPDR S&P Aerospace & Defense ETF (XAR) trend? 1 response 14/06/2013
Jessie Spaulding's Automated Trading story no responses 14/06/2013
Mark Fisher's ACD Method no responses 13/06/2013
Binary Options 2 responses 13/06/2013
Turtle Trading Algo 2 responses 13/06/2013
Need help with backtest error, works in IDE 3 responses 13/06/2013
What exactly is last_sale_price? 4 responses 13/06/2013
Backtest portfolio choice 2 responses 12/06/2013
Bug in my code? 8 responses 12/06/2013
Suggestion: add more timeframes 5 responses 12/06/2013
Access previous data (last day, last 5 days, etc.) 1 response 12/06/2013
Top shared algos 2 responses 12/06/2013
Halloween cycle no responses 12/06/2013
Log formatting 4 responses 12/06/2013
How can I print on the log the name of the security (not the sid)? 4 responses 12/06/2013
Portfolio cash and capital_used suggestion 6 responses 12/06/2013
S&P500 sid? 6 responses 12/06/2013
Feature Request: IPython Notebook 3 responses 11/06/2013
Day and Night 5 responses 10/06/2013
S&P500 constituents 9 responses 09/06/2013
GLD & GDX algorithm 8 responses 09/06/2013
OrderNonSecurity? 2 responses 08/06/2013
Has anyone found any success using Fourier Transforms or Fourier Series to predict market movements 12 responses 07/06/2013
How I would beat S&P with a small portfolio 10 responses 07/06/2013
Partial Buys/Sells? 8 responses 06/06/2013
beat SPY by buying & selling SPY 9 responses 04/06/2013
Trading Strategy Ideas thread 236 responses 04/06/2013
Question regarding data 4 responses 03/06/2013
Job salaries in Algo Trading vs. SoftEngg 1 response 03/06/2013
Some Indicators 2 responses 03/06/2013
moving average crossover help 2 responses 02/06/2013
Buy/Sell on Open/Close 4 responses 02/06/2013
Calculating up and down days 7 responses 02/06/2013
Maximum Sharpe Ratio Portfolio no responses 01/06/2013
problem w/ stddev? 6 responses 01/06/2013
feature update: community email subject lines changed 1 response 31/05/2013
Question about TA-Lib 4 responses 29/05/2013
Beginner Question: Accumulating Custom Fields for Batch Transforms 6 responses 29/05/2013
NYT on the dangers of data mining 2 responses 28/05/2013
Equities fundamental data 7 responses 28/05/2013
cost of borrowing on margin 1 response 28/05/2013
Papers about risk managment in algorithmic trading systems? 1 response 27/05/2013
multiple stocks and stock screening 6 responses 27/05/2013
Ernie Chan's new book is out! 6 responses 27/05/2013
plotting question 5 responses 25/05/2013
Google Search Terms predict market movements 111 responses 24/05/2013
Big Move Monday 1 response 24/05/2013
Place helper functions in custom script 3 responses 23/05/2013
trading earnings surprises with Estimize data 38 responses 22/05/2013
hey there to everyone.... have a questionin regards to sid. how do y 4 responses 22/05/2013
Instead of a better day, how about a better security to rotate into for the 'Sell in May' plan? no responses 21/05/2013
Empty SIDData Objects 4 responses 21/05/2013
Get the past price?? 3 responses 19/05/2013
Relationship between backtesting data and future performance 5 responses 19/05/2013
Algorithms for Small Investment Amounts 10 responses 18/05/2013
Did you sell in May? Bad move! 1 response 17/05/2013
QUESTIONS REGARDING BID/ASK SPREAD 2 responses 16/05/2013
test 5.9.13 no responses 16/05/2013
An excellent arbitrage opportunity 4 responses 15/05/2013
Help with runtime error 5 responses 15/05/2013
batch transform w/ set_universe - problem? 26 responses 15/05/2013
New Features! Paper Trading! Live Trading! 21 responses 14/05/2013
Fixed version of Ernie Chan's "Gold vs. gold-miners" stat arb 21 responses 14/05/2013
Automated Investing Algorithm 3 responses 13/05/2013
Refresh Period Bug? 22 responses 12/05/2013
New Nature paper: "Quantifying Wikipedia Usage Patterns Before Stock Market Moves" 3 responses 11/05/2013
batch transform, minute data? no responses 11/05/2013
New Order Types! (And Backtester Changes) 8 responses 11/05/2013
unexplained error 7 responses 10/05/2013
code no longer running 3 responses 10/05/2013
Preloading batch transform window so trading starts sooner 2 responses 09/05/2013
Multiple backtests loop 6 responses 09/05/2013
How to sell stocks that no longer meet universe criteria? 3 responses 09/05/2013
Upcoming Features, Backtester Changes 15 responses 08/05/2013
NaN's in batch transform output? 2 responses 08/05/2013
StdDev 7 responses 08/05/2013
set_universe bug with minute data? 6 responses 07/05/2013
Access elements returned from batch transform 5 responses 07/05/2013
how to deal with an OrderSecurityOutsideUniverse error? 5 responses 07/05/2013
Is there an error in my sample algorithm? 3 responses 06/05/2013
Is Anyone Using The Hurst Exponent? 5 responses 06/05/2013
Another system for someone else to try 11 responses 06/05/2013
How would I create a condition for day of the week? 4 responses 05/05/2013
Grand Community Wish List 17 responses 03/05/2013
Display Variables no responses 02/05/2013
Slippage Mode no responses 01/05/2013
Backtesting sells too much? 3 responses 01/05/2013
Need some help with this strategy 6 responses 30/04/2013
Can I change the benchmark? 4 responses 30/04/2013
universe similarity analysis 1 response 30/04/2013
error w/ window length of 90? 3 responses 30/04/2013
Planned Features for Community Voting 6 responses 30/04/2013
Fifty-Minute Bollinger Band System ( from J Altucher) 3 responses 29/04/2013
Quant Algos in The Wild no responses 29/04/2013
yet another feature request 7 responses 29/04/2013
Quantopian Price Data - Actual Close or Adjusted Close? 3 responses 28/04/2013
Resource Usage Monitoring 12 responses 28/04/2013
Any dashboard to show list of all shared algorithms 5 responses 27/04/2013
Trading in the minute 2 responses 26/04/2013
Batch Transform no responses 25/04/2013
Par For 7 responses 25/04/2013
Register Multiple handel_data like fucntions with different frequencies 7 responses 25/04/2013
Inspect / Watch Variables 1 response 25/04/2013
Pre Trade Transaction Cost Estimate and Margin Impact no responses 25/04/2013
Help Needed With Batch Transform 35 responses 24/04/2013
Configuration 4 responses 24/04/2013
Upcoming features 5 responses 24/04/2013
Combining Algorithms / Predicting stocks with Black-Scholes 2 responses 23/04/2013
Robustness of strategy with respect to parameters 4 responses 22/04/2013
Machine Learning 2 responses 22/04/2013
Exponential Moving Average - But When Do We Get TA-Lib? 22 responses 21/04/2013
output of one batch transform as the input of another? 3 responses 21/04/2013
paper - "A Dissimilarity Measure for Comparing Subsets of Data: Application to Multivariate Time Series" no responses 20/04/2013
help w/ batch transform problems 7 responses 20/04/2013
Made me think of you guys. 1 response 19/04/2013
Organize Code into Reusable Libs and Functions and Programmatically Access / Manipulate Algos no responses 19/04/2013
John Ehlers' Fischer Transform 1 response 19/04/2013
Beginner's Guide to Quantitative Trading by QuantStart no responses 19/04/2013
Feature request - multiple runs for testing non-deterministic algorithms 2 responses 19/04/2013
ARMA Timing Out & R2Py 15 responses 18/04/2013
Is it possible (or planned) to allow users to export data for further analysis? 8 responses 18/04/2013
Time to "sell in may and go away"? 30 responses 18/04/2013
SPLV short term mean reversion 2 responses 17/04/2013
Interesting Question-"Hooray for The Quants" 5 responses 17/04/2013
Further Experiments with Randomness 5 responses 17/04/2013
Newbie question (S&P 500 data) 1 response 17/04/2013
Algo 5 responses 16/04/2013
runtime error when using set_universe with batch_transform? 5 responses 16/04/2013
Auto Adjusting Stop Loss 5 responses 15/04/2013
Anyway to import Bitcoin data? 15 responses 15/04/2013
Error Thrown By Older RSI Algo... 3 responses 15/04/2013
Financial Statements for stocks? 2 responses 15/04/2013
do I have to do everything in the browser? 4 responses 14/04/2013
Bollinger Bands With Trading 18 responses 14/04/2013
What are the benefits of this algo? 2 responses 14/04/2013
Ability to specify offset of bars 4 responses 14/04/2013
Bollinger Bands 1 response 14/04/2013
fethcher, post_func & Accessing Calculations In handle_data 4 responses 14/04/2013
Converting Quantopian Python scripts into JavaScript? 3 responses 14/04/2013
help w/ universe sort algorithm 5 responses 13/04/2013
Quantopian Live Integration - Frequency Of Data Available To Algorithms 22 responses 12/04/2013
Round Numbers Strategy: Google - or is still Apple? 1 response 12/04/2013
Round Numbers Strategy Implementation 6 responses 12/04/2013
Looking at momentum of big 3 tech 1 response 12/04/2013
How do you share an algorithm? 1 response 12/04/2013
Getting sid programmatically 10 responses 11/04/2013
Sliding Linear Regression 7 responses 11/04/2013
after-hours trading (or associate external after-hours price data with existing sids so i can trade against it) no responses 11/04/2013
How to retrieve the prices of previous days? 2 responses 10/04/2013
Brent/WTI Spread Fetcher Example 14 responses 10/04/2013
is it possible to create new SID after fetch_csv no responses 10/04/2013
Are index quotes available? 1 response 10/04/2013
Time Based Algo 1 response 10/04/2013
Auto Parallelisation of Code no responses 10/04/2013
fetch_csv with minutes FX data 13 responses 10/04/2013
Advance Order Types no responses 09/04/2013
Live Trading 5 responses 09/04/2013
How to track a stock w/out a given SID? 10 responses 08/04/2013
Interpreter only recognizes three functions 6 responses 08/04/2013
odd behavior - OLMAR algorithm & commissions 6 responses 08/04/2013
Quantopian or Zipline? 1 response 08/04/2013
fetch_csv on forex data file returns parsing error 3 responses 08/04/2013
KeyError: order 2 responses 08/04/2013
Exporting data/variables 2 responses 08/04/2013
I borked it 7 responses 07/04/2013
Simple and good Idea (Just learning Phyton ) 1 response 06/04/2013
Is this right? Standard Deviation Trade 3 responses 06/04/2013
Machine Learning 6 responses 05/04/2013
Min and Max notionals not working 2 responses 05/04/2013
algo idea from history squared 1 response 05/04/2013
Ranking and Trading on "Days to Cover" 5 responses 05/04/2013
Python Vs. Lua 4 responses 05/04/2013
z-score route to Bollinger Bands no responses 05/04/2013
High Frequency 23 responses 04/04/2013
Open and Close price of day when Backtesting using Minute Data 2 responses 04/04/2013
Problem accessing my created pandas DataFrame 4 responses 03/04/2013
Newbie to Quantopian 5 responses 03/04/2013
returns of 48634.07% with sample algorithm? 1 response 03/04/2013
Possible bug in data transform 2 responses 03/04/2013
Playing around with Bollinger Bands. 3 responses 03/04/2013
New Feature: Fetcher! 36 responses 02/04/2013
FOREX Algorithm Help no responses 02/04/2013
DCA with ETFs, need some assistance please. 4 responses 01/04/2013
Programming Language 5 responses 31/03/2013
Expanding the universe of instruments + future road map + general retail punter quant trading in the real world 2 responses 31/03/2013
Bollinger Bands 7 responses 30/03/2013
How to identify stocks with the highest fluctuation but steadiest average? 4 responses 30/03/2013
Drawdown vs Returns 14 responses 30/03/2013
How To Access Previous Day Open or Close?? 2 responses 29/03/2013
set_universe with mavg - what am i doing wrong here? 3 responses 29/03/2013
Data Length no responses 29/03/2013
Quality of Quantopian's data? 4 responses 29/03/2013
pattern recognition algorithm 3 responses 29/03/2013
Plugable Stats 4 responses 29/03/2013
Quantopian Optimization Capabilities 1 response 28/03/2013
TradingAlgorithm conventions 1 response 28/03/2013
Global Minimum Variance application to ETFs no responses 27/03/2013
Am I doing this right? 1 response 27/03/2013
Second Attempt at ML - Stochastic Gradient Descent Method Using Hinge Loss Function 10 responses 26/03/2013
Quantopian Backtesting In Comparison to Reality 3 responses 26/03/2013
Newbie question: What did I just do? 1 response 25/03/2013
Possible Help with Order type 2 responses 25/03/2013
Iterative Batch Transforms 6 responses 24/03/2013
similarity metrics applied to GLD & GDX 1 response 23/03/2013
Zipline in the cloud: Optimizing financial trading algorithms 6 responses 22/03/2013
Batch Average True Range 8 responses 22/03/2013
Reinforcement Learning with Quantopian 3 responses 21/03/2013
set_universe question 5 responses 21/03/2013
Quantopian in the real world 41 responses 21/03/2013
Newbie: Accessing Risk Metrics in zipline 1 response 21/03/2013
Factor Test no responses 19/03/2013
How do I access ETF flows or creation/redemption data ? 7 responses 19/03/2013
what am i doing wrong? 2 responses 19/03/2013
High Risk, High Gain? - Sorting the Universe no responses 18/03/2013
Portfolio Returns 5 responses 16/03/2013
Is Quantopian server side code open source ? 1 response 15/03/2013
Newbie without any idea of programming 2 responses 15/03/2013
A very basic set_universe example to refer to with a Zipline issue. 1 response 15/03/2013
Bull/Bear Beta strategy 3 responses 15/03/2013
Machine Learning from Streaming Data 10 responses 14/03/2013
new to quantopian with questions about first samples. 6 responses 13/03/2013
Live Trading Opportunities no responses 12/03/2013
Standard Deviation Trade 1 response 11/03/2013
Modified Perceptron Trading Algo Using set_universe 1 response 11/03/2013
Global Minimum Variance Portfolio 29 responses 11/03/2013
Live trading game 7 responses 08/03/2013
Stock ID's 2 responses 08/03/2013
Online sources for algo trading ? 3 responses 07/03/2013
bug w/ context.stocks (list vs. set) & batch transform? 6 responses 07/03/2013
bug report 2 responses 06/03/2013
First Attempt at Machine Learning - Perceptron Algorithm Using past 30 Days of Trading Data 12 responses 05/03/2013
New Feature - Record and Plot Variables 14 responses 05/03/2013
show me how plz? 1 response 04/03/2013
Help wanted: Quant Telecommuter no responses 01/03/2013
valuation of algorithms 4 responses 01/03/2013
OLMAR with Universe 10 responses 01/03/2013
error with stddev? 6 responses 28/02/2013
New Feature! set_universe Is Live 2 responses 28/02/2013
pattern recognition based on zlib 2 responses 28/02/2013
Balance Basket Paper & Algos 2 responses 27/02/2013
Benchmark Algorithm no responses 27/02/2013
Tutorials 1 response 27/02/2013
Optimization? 1 response 26/02/2013
help w/ batch transform 4 responses 26/02/2013
Hello from PyData 8 responses 26/02/2013
kalman filter 4 responses 25/02/2013
Forex data ? 96 responses 23/02/2013
Can user install any python lib which is available within user's profile ? 1 response 23/02/2013
"market open" flag? 2 responses 23/02/2013
batch transform decorator with clean_nans=False? 19 responses 23/02/2013
quantopian workflow to learning 2 responses 23/02/2013
data for offline exploration 2 responses 23/02/2013
zlib available 16 responses 22/02/2013
Probability Matching: what drives the market? 3 responses 21/02/2013
I love this Algorithm. 2 responses 21/02/2013
Portfolio management 1 response 21/02/2013
Moving Average Algorithm - Basic Questions 2 responses 21/02/2013
Selling AAPL whenever possible 1 response 20/02/2013
Using random in a simple example 4 responses 20/02/2013
Indicator Library 5 responses 19/02/2013
How do I keep this from making my portfolio seriously overdrawn? 1 response 19/02/2013
Log: Combine strings and variables 3 responses 18/02/2013
JavaScript developer looking for some help no responses 18/02/2013
Issue Displaying Backtest Results 6 responses 18/02/2013
Basic Question on the context object 4 responses 18/02/2013
Can NaiveBayes tell us anything about Momentum Trading? 10 responses 17/02/2013
How could I invest in the market the algorithm that I've created? 8 responses 17/02/2013
I want to understand the detail, where can I find the info 2 responses 16/02/2013
Back to Simplicity: Another way to calculate average 6 responses 15/02/2013
Show my Realtime Forex Data Startup to Quantopian 2 responses 14/02/2013
Trading costs 4 responses 13/02/2013
entry and exit on time triggers 4 responses 13/02/2013
Calculation of the backtester's "risk metrics" (sharpe etc) 9 responses 13/02/2013
Proposal for specifying window length 9 responses 12/02/2013
Changed average to 2 day instead of three, 2013 earnings tripled 1 response 12/02/2013
Segaran's Non-Negative Matrix Factorization Implementation 3 responses 11/02/2013
Details on Benchmark's Algorithm 1 response 11/02/2013
Mebane Faber Relative Strength Strategy with MA Rule 23 responses 11/02/2013
Bull or Bear, not too complicated 5 responses 10/02/2013
Exporting transaction/return details from a backtest 4 responses 07/02/2013
Coursera's Computational Investing Class Begins Feb 22 12 responses 07/02/2013
Logarithmic y-axis please 4 responses 06/02/2013
Mebane Faber's Relative Strength Strategy for TAA 7 responses 06/02/2013
Looking for folks working at an RIA 2 responses 06/02/2013
total return / dividends 13 responses 06/02/2013
Prior day's close 9 responses 06/02/2013
Welles Wilder's ADX - Average Directional Index (technical indicator implementation) 45 responses 06/02/2013
Factor data 3 responses 06/02/2013
Sell in May: SPY no responses 06/02/2013
Mebane Faber's Tactical Asset Allocation 23 responses 05/02/2013
interesting returns 1 response 05/02/2013
Inverse volatility weighting for traditional stock/bond portfolios 5 responses 05/02/2013
With Coke (KO) the run is less attractive than AAPL no responses 04/02/2013
Batch transform question / problem? 2 responses 04/02/2013
How to limit borrowing? 2 responses 04/02/2013
Random long Apple system (aka the dangers of foresight bias) 1 response 03/02/2013
More detailed compile errors? 4 responses 03/02/2013
All in - All Out strategy no responses 03/02/2013
Max Dama on Automated Trading (pdf) 3 responses 03/02/2013
Momentum Trade 5 responses 02/02/2013
Inferring latent states using a Gaussian Hidden Markov Model 16 responses 02/02/2013
order fulfillment latency? 2 responses 02/02/2013
average time interval of price increase no responses 02/02/2013
Weekly Rebalance 2 responses 01/02/2013
The "Hello World" algorithm makes a 4000% return? 9 responses 01/02/2013
Transaction History 1 response 01/02/2013
International Tickers 3 responses 01/02/2013
Newbie Question - Would it be possible to include external indicators into an algorithm? 20 responses 31/01/2013
NYC Meetup Group for Algo Trading Newbies 3 responses 31/01/2013
initial claims theory 3 responses 31/01/2013
Theory Of Anti-Gravity (with Overdraft Control) 1 response 31/01/2013
advice request - copy-&-paste external data into algorithm editor? no responses 31/01/2013
risk measures vs. performance metrics 2 responses 31/01/2013
trailing trigger 2 responses 30/01/2013
Debugging and tracking variables step-by-step 1 response 30/01/2013
Tick Data 2 responses 29/01/2013
My overdraft 5 responses 29/01/2013
OLMAR implementation - fixed bug 72 responses 29/01/2013
Do you have any facilities for backtesting against a changing basket of securities? 1 response 28/01/2013
High Frequency Spot Forex 9 responses 27/01/2013
Empiritage's Volatility-Based Asset Allocation 5 responses 26/01/2013
How can I look up the sid of indexes? 2 responses 26/01/2013
How is this different? 7 responses 26/01/2013
What are people's workflows for researching systems? 9 responses 25/01/2013
silly, very slow system to try out some stuff no responses 25/01/2013
Experiment on Simple Probabilistic Model 1 response 25/01/2013
Presentation at the Boston Python Meetup 3 responses 25/01/2013
Reverse Stock Splits? 1 response 24/01/2013
How can I add Add KO and PEP to Benchmark the results are not good. and I only see one Graph 3 responses 24/01/2013
New questions! 3 responses 24/01/2013
testing on dailies doesn't make sense 20 responses 24/01/2013
Questions on the API from a beginner 6 responses 24/01/2013
Simple Mean Reversion Strategy 8 responses 24/01/2013
Implementation of "Leveraged ETFs" rebalancing exploitation strategy 4 responses 24/01/2013
First impressions (kelly sizing, NaN) 8 responses 23/01/2013
Anyone here work in a London/UK based hedge fund? 1 response 23/01/2013
Linear Regression Coefficient to Capture the Trend 8 responses 21/01/2013
update, OLMAR algorithm - daily data & full backtester 4 responses 19/01/2013
finite-state machine in Python? 13 responses 17/01/2013
Volatility Capping Strategy 4 responses 14/01/2013
Graphical Custom Reporting? 8 responses 13/01/2013
Quantopian business model & governance? 5 responses 12/01/2013
Mirroring hedge fund holdings via 13F reports 8 responses 10/01/2013
Standard deviation based system (including standard deviation based TP and SL) 11 responses 09/01/2013
Looking at all securities 6 responses 08/01/2013
August 2007 quant equity crisis? 4 responses 06/01/2013
Simple dual vwap with percentage based "take profit" and "stop loss" 4 responses 05/01/2013
How to weight backtest for inflation, change-back to home currency, tax and dividends? 3 responses 05/01/2013
Using algorithms for actual buying/selling signals? 1 response 04/01/2013
My experiment 1 response 04/01/2013
A few questions from a noob =) 26 responses 03/01/2013
Most profitable Algorithms on Quantopian? 6 responses 02/01/2013
building hft alfo fore forex and precious metals 5 responses 01/01/2013
order submission at end of trading day? 4 responses 28/12/2012
batch transform testing - trailing window updated minutely 20 responses 26/12/2012
Buy & Hold of SPY on profitable months 1 response 23/12/2012
Simply Buy 13 responses 21/12/2012
feature-Event Study Functionality no responses 20/12/2012
feature request - "Download Log Output" button 6 responses 15/12/2012
this is amazing 11 responses 14/12/2012
We’re Back 1 response 14/12/2012
Daily Data Bars and Minute Daily Bars 17 responses 11/12/2012
priority, plotting & universe selection? 10 responses 11/12/2012
Average daily volume and option expiration analysis (v3) 4 responses 09/12/2012
Off by 1 minute? 10 responses 09/12/2012
code example, multi-security batch transform moving average 10 responses 08/12/2012
help w/ batch transform & multiple sids 5 responses 07/12/2012
batch transform decorator w/ global variables? 4 responses 07/12/2012
batch transform w/ refresh_period=0 hangs 6 responses 07/12/2012
Quick bug fix of "Batch-transform version of scikits-learn example ("finding co-fluctuating stocks")" 9 responses 07/12/2012
Batch-transform version of scikits-learn example ("finding co-fluctuating stocks") 23 responses 06/12/2012
Getting volume estimates for last 200 days 3 responses 06/12/2012
log quota test 3 responses 05/12/2012
mavg(days) transform details? 13 responses 05/12/2012
update, OLMAR implementation 4 responses 02/12/2012
1st attempt: finding co-fluctuating stocks 8 responses 02/12/2012
TDSequential and other Tom DeMark indicators 2 responses 30/11/2012
Dual Moving averages clone w/ major indices 7 responses 30/11/2012
Close price for minute and daily data 3 responses 30/11/2012
Buy low Sell high 7 responses 29/11/2012
This Week's Concept: Trading on Max and Min 1 response 29/11/2012
Feature request: Strategy version control 5 responses 29/11/2012
full API documentation date? 5 responses 28/11/2012
transaction times incorrect in full backtest 8 responses 27/11/2012
Single trade in AAPL should give AAPL's return 2 responses 27/11/2012
paper on pairs trading 2 responses 25/11/2012
help with order problem 8 responses 24/11/2012
help with algorithm - moving average optimization 5 responses 21/11/2012
order and instrument types 3 responses 21/11/2012
code execution speed & memory usage? 8 responses 21/11/2012
New Feature: Batch Transforms! 8 responses 20/11/2012
Dual Moving Averages version 0.3 9 responses 19/11/2012
order timing in portfolio 1 response 19/11/2012
OHLC Bar with data frequency (date, minute, hour) as input no responses 16/11/2012
Information About a Bug in our Backtester 1 response 15/11/2012
restrict full backtest to daily data? 10 responses 14/11/2012
Multi-SID Example Algorithm 6 responses 13/11/2012
discuss the sample algorithm 23 responses 13/11/2012
Some Changes in the Quantopian API 5 responses 13/11/2012
AIMDAL (MY NEW BLOGS) no responses 13/11/2012
TRAILING STOP ALGORITHM (VOLATILITY ADJUSTED FORMULA) 1 response 13/11/2012
Moving Average Crossover 4 responses 12/11/2012
Community Wiki or Knowledge Base 6 responses 12/11/2012
Williams %R 1 response 11/11/2012
ideas for algorithms 2 responses 11/11/2012
XBRL Data - $20k prize no responses 11/11/2012
Strategy optimization 12 responses 10/11/2012
On-line Portfolio Selection from Grant K 21 responses 09/11/2012
Multi-strategy example 19 responses 08/11/2012
Khan Academy - Example of Short Selling no responses 08/11/2012
Patched version of sample algorithm, per Charles Park's bugfix no responses 07/11/2012
Welcome screen - bug? 2 responses 07/11/2012
Python classes implementing True Range and Average True Range indicators 1 response 07/11/2012
Average True Range Basic Implementation 3 responses 06/11/2012
time frame based indicator 2 responses 06/11/2012
"Papertrading" for Coursera Computational Finance Homework 3 responses 05/11/2012
share algorithms to be re-written for Quantopian? 15 responses 03/11/2012
Different kinds of data sources? 10 responses 02/11/2012
Some questions about Quantopian 9 responses 02/11/2012
Beta of a stock 3 responses 30/10/2012
help with runtime error 8 responses 28/10/2012
Re: z-score based buy/sell -- wider portfolio removes beta but also alpha 3 responses 22/10/2012
z-score based buy/sell 2 responses 22/10/2012
RSI attempt, general questions and feedback 14 responses 21/10/2012
help with datetime error 3 responses 20/10/2012
Indicies and other meta-data 1 response 19/10/2012
code available for transforms? 2 responses 17/10/2012
Forum search? 6 responses 16/10/2012
end of simulation method? 9 responses 14/10/2012
algorithm execution based on list of minutes 3 responses 14/10/2012
Benchmark trading strategy 2 responses 13/10/2012
A variation of Fred Monroe's variation of Henry Brown's permanent portfolio 10 responses 13/10/2012
date-constrained algorithm execution 7 responses 12/10/2012
submit orders based on list of dates 1 response 12/10/2012
Backtesting Thoughts 13 responses 12/10/2012
minute bar data - open/close prices or just price available? 1 response 11/10/2012
R.I.P Harry Brown - where's my t-shirt? 7 responses 10/10/2012
High/Low price values 14 responses 09/10/2012
Basic Trailing Stop Implementation 1 response 08/10/2012
simple day-based buy & sell 11 responses 06/10/2012
trigger buy/sell at specified times? 6 responses 04/10/2012
Order not triggering 8 responses 02/10/2012
public access to Quantopian data? 11 responses 28/09/2012
Forex data 10 responses 26/09/2012
Quantopian goals/direction? 51 responses 25/09/2012
cross-correlation, SPY & SH? 6 responses 25/09/2012
Updated Multi-SID Example Algorithm 2 responses 24/09/2012
Multi-SID Example Algorithm w/ SPY only 3 responses 23/09/2012
spectrogram generation? 5 responses 19/09/2012
Writing code across multiple files 7 responses 19/09/2012
Multi-SID Example Algorithm 3 responses 17/09/2012
feature request - access to other results? 7 responses 16/09/2012
sid error 7 responses 15/09/2012
support for statistical sampling? 3 responses 14/09/2012
accessing previous bars 4 responses 13/09/2012
Slippage 8 responses 09/09/2012
exhaustive pairs trade screen? 2 responses 08/09/2012
Upcoming Feature: Daily Bars, feedback needed! 9 responses 07/09/2012
John Hunter no responses 06/09/2012
Taxing events 1 response 06/09/2012
Incomplete pair trading algo: intercept, adfuller, ARMA 4 responses 06/09/2012
First attempt at a "peak detector" = Broker's Dream 7 responses 05/09/2012
Triple MA crossover: great performance (without trading Apple) 9 responses 05/09/2012
Just experimenting with the backtesting 2 responses 04/09/2012
NYSE coeintegrated stocks R script 7 responses 04/09/2012
CVXvsXOM 6 responses 02/09/2012
SID limit of 10 4 responses 02/09/2012
co-integration != correlation 1 response 01/09/2012
universe selection 14 responses 31/08/2012
Momentum 5 responses 31/08/2012
Loading sid in bulk 3 responses 31/08/2012
changed Wassaf's long-term algo to use an ETF 10 responses 30/08/2012
Naive pair trading AAPL/SBUX 14 responses 30/08/2012
simple local min/max on SPY ETF no responses 30/08/2012
Feature request - logging API. 4 responses 29/08/2012
Simple local min / max algo with nearly 600% return on AAPL over 10 years 4 responses 29/08/2012
Fixed variable names; bug or feature? 2 responses 29/08/2012
Blind vwap trades 1 response 25/08/2012
Cannot run backtest against some stocks 3 responses 25/08/2012
Warnings/Errors not shown on build screen? 3 responses 24/08/2012
Ernie Chan's "Gold vs. gold-miners" stat arb 15 responses 24/08/2012
Dual Moving Averages version 0.2 2 responses 24/08/2012
Update to fluctuating stock algorithm 1 response 24/08/2012
A simple algorithm purchasing on a fluctuating stock 2 responses 24/08/2012
Quantopian Engineering Team Update - Speedups for Transforms 1 response 23/08/2012
Amazon musings no responses 23/08/2012
Share useful code snippets and how-tos! 1 response 23/08/2012
Change vwap(3) to (1) 24 responses 23/08/2012
Dual Moving Average with much shorter time window: more volatility no responses 22/08/2012
DMA over longer period. Not so subpar after all! 4 responses 22/08/2012
Some utility functions for Dual Moving Average no responses 21/08/2012
Dual Moving Average: subpar performance. 13 responses 21/08/2012
Smooth data for IAC no responses 21/08/2012
dans first algo 5 responses 21/08/2012
Feature requests! What changes would you like to see? 192 responses 21/08/2012
Did you find a bug? Sorry about that! Please tell us about it here. 23 responses 21/08/2012
200,000% return - yeah, right! 9 responses 21/08/2012