I wanna get the signal at
before_trading_start()
and this function runs 45 minutes before trading start.
I also used fetcher to get my own signal.
fetch_csv()
command is invoked once per trading day, but it runs too earlier ,(The log shows a 1970-01-01 08:00 which is wrong , actually some time at midnight i guess). When does the fetcher function runs every trading day ? I need to update my file in time so that fetcher won't miss it.
Fetcher runs when an algo first starts warming up in the morning. In the past we've told people that the fetcher file needs to be available at midnight Eastern in order to be sure that it gets loaded properly. I will say that in practice, the earliest it happens these days is 2AM, and often later for paper trading algorithms. But to be sure it's there in time, midnight is the goal.
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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.
