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Radically Open-Source Algorithmic Trading Engine

LEAN is the open-source algorithmic trading engine powering QuantConnect. Founded in 2012 LEAN has been built by a global community of 180+ engineers and powers more than 300+ hedge funds today.

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Need Help: Insufficient Buying Power Errors 4 comments, last comment by Troy B,
History for cryptos returs different symbols than asked 1 comment by Alexandre Catarino,
Get price of multiple symbols in OnData and compare each symbol's price to each symbol's indicator value 2 comments, last comment by Rory Forrest,
Using the notebook enviornemnt 3 comments, last comment by Jared Broad,
Build Timeout. Retrying... 1 comment by Alexandre Catarino,
Value Investing with TA market timing 1 comment by Alexandre Catarino,
[Feature request] - Manage files and folders from My Projects tab 1 comment by Alexandre Catarino,
ES micro Symbol 1 comment by Alexandre Catarino,
Does Lean engine check for bid/ask size during backtesting of options? 1 comment by Alexandre Catarino,
Stochastic Indicator using python 1 comment by Rahul Chowdhury,
What does this error message mean 3 comments, last comment by Jared Broad,
Bitfinex Derivatives 1 comment by Jared Broad,
Does Lean provide a method to exercise right to buy/sell stock to option contract owner? 1 comment by Rahul Chowdhury,
How do I detect a margin call after failed option assignment? 3 comments, last comment by Alexandre Catarino,
Mutiple timeframe quotebar high/low/close/open price 2 comments, last comment by Mitch Carrara,
Alpha Source Model 1 comment by Alexandre Catarino,
¿which c# courses - certifications would you ( and also quantconnect) recommend? 3 comments, last comment by Anonymous ,
InvalidOperationException : We were unable to locate the ticker 'TLT'. 1 comment by Liu Jin,
Best way to introspect or explore/browse Python Object when working with QC Algorithms? 1 comment by Rahul Chowdhury,
Visualize Greeks 1 comment by Rahul Chowdhury,
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