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More Securities! Tradeable Universe Size Now Increased to 500 Securities

You can now trade up to 500 securities in your algorithm. Last May we increased the limit from 100 to 200, and today we’re expanding it again.

Algorithms selected to our hedge fund will have low correlation to the overall market and be consistently profitable. One of the most common ways to get that set of characteristics is to hold dozens of open positions in the portfolio, positions that are hedged and market neutral. We hope that you can use this improvement and build great strategies.

We're able to make this improvement through a series of code changes. We removed several bottlenecks, and of course we're not done with improving the speed or portfolio size limitations. We've added the new universe size to our performance page so you can track the improvements over time.

The API help documentation has been updated, and now you can:

  • Use Fundamental data to filter and trade up to 500 securities.
  • Manually enter 500 tickers using the symbols() or sid() methods.
  • Use set_universe to screen a 5% DollarVolume basket of securities.
  • Import external data with 500 securities or signals per bar using Fetcher.

With this change you can trade more tickers in your contest algorithms, live trading algorithms, and test within research and the IDE. Enjoy!

Disclaimer

The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by Quantopian. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. No information contained herein should be regarded as a suggestion to engage in or refrain from any investment-related course of action as none of Quantopian nor any of its affiliates is undertaking to provide investment advice, act as an adviser to any plan or entity subject to the Employee Retirement Income Security Act of 1974, as amended, individual retirement account or individual retirement annuity, or give advice in a fiduciary capacity with respect to the materials presented herein. If you are an individual retirement or other investor, contact your financial advisor or other fiduciary unrelated to Quantopian about whether any given investment idea, strategy, product or service described herein may be appropriate for your circumstances. All investments involve risk, including loss of principal. Quantopian makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances.

2 responses

That's great news !

Now: Waiting for 1000 securities.