I have a trading idea combining learning with a buy on gap algo, but to do this I need evaluate a large number of the index constituents from say the S&P 500. Is there a way to access the individual securities without specifying them in advance in context.secs? I believe there are limits on how many you can specify within your code, not to mention the tedium of it!
Chris,
See https://www.quantopian.com/posts/enhancement-increasing-the-limit-of-manually-entered-sids-to-200-in-ide. It should answer your question. If not, just follow up here.
Grant
Also, here is an example where Jess created an algo universe of the SP500 financial industry stocks: https://www.quantopian.com/posts/define-custom-universe-via-fetcher-using-the-new-universe-func-callback
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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.