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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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Py
31
Noob question: data anomaly? 1 comment by Alexandre Catarino,
C#
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Unable to submit order with id -10 that has zero quantity. 2 comments, last comment by Jared Broad,
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Are prices found in Securities[holding].Price updated by tick during live trading? 2 comments, last comment by Paul McKinney,
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Daily and minute data in same algo. 2 comments, last comment by Warren Harding,
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450
How do I add an entry to the system path variable (C:\Python27) 2 comments, last comment by Alexandre Catarino,
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DD% 1 comment by Jared Broad,
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STAFF
Pandas.DataFrame from History method 6 comments, last comment by HanByul P,
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Dynamic Universe Selection for Options 5 comments, last comment by Alexandre Catarino,
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Trying to import my own historical data 3 comments, last comment by Jared Broad,
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Common Probability Rules to Employ in Automated Trading Strategies? Started by QuantEdge,
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334
Error running LEAN (python module) 59 comments, last comment by Alexandre Catarino,
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Are some indicators NOT available in Python?? 1 comment by Alexandre Catarino,
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452
Set Universe based on a list of stocks from an external file 5 comments, last comment by Alexandre Catarino,
C#
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Indicators with Futures Trading Started by Eric Bell,
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Long term back tests 1 comment by Jared Broad,
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Robinhood on Quantconnect 1 comment by Jared Broad,
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450
Kelly position sizing 1 comment by Kevin D´souza,
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