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LEAN is the open source algorithmic trading engine powering QuantConnect. Founded in 2013 LEAN has been built by a global community of 80+ engineers and powers more than a dozen hedge funds today.

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Issue shorting crypto in combined Portfolio (crypto & equities) 12 comments, last comment by Louis Szeto,
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Request for Example Code on 1 or 5 min Bar Data 1 comment by Derek Melchin,
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AAPL, Daily The issue starts from Sep 1st, 2020; and continues until now 4 comments, last comment by QuantConnect Robot,
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Using self.ActiveSecurities paired with candlestick alpha model 2 comments, last comment by Papa Bear,
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LEAN and QC Cloud Produce Different Results 7 comments, last comment by Derek Melchin,
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Universe Filter on Minute Resolution - Only Running on Daily Resolution? 5 comments, last comment by Derek Melchin,
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Data for QQQ is not accurate 1 comment by Arthur Asenheimer,
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Live Model not placing trades Started by Wei li,
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Pairs Trading issues 1 comment by Shile Wen,
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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 QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect 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. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.

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