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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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HFT Scalping Started by Rulak,
Object has no attribute 'r' at BuyCall 5 comments, last comment by Nico Xenox,
Getting Started with QuantConnect Using Visual Studio Code 2 comments, last comment by Jared Broad,
Universe Selection - EPS 19 comments, last comment by Jesse Fleming,
Orders not getting filled. 2 comments, last comment by Rishab Maheshwari,
Get error message when backtesting an LSTM algorithm 2 comments, last comment by Yuri Lopukhov,
Equity Strategy - Multiple Tickers and SymbolData 1 comment by Louis Szeto,
Trying to dynamically access a method that does not exist throws a TypeError exception 1 comment by Louis Szeto,
MSFT 2/13/2020 Low reported as 161.48; should be 182..87 4 comments, last comment by Rishab Maheshwari,
Indicators with Futures Trading 3 comments, last comment by Nico Xenox,
Trouble accessing high/low of rolling window created from consolidated bar 1 comment by Nico Xenox,
Live Trading Updates Charts and Indicators More Frequently than my backtest (backtest updates 30 min, live trading updates every 10 min) Started by Daniel Oliver,
OnOrderEvent for delisted stocks? 2 comments, last comment by Levi Freedman,
Momemtum strategy - numerical precision issues in the factor file causing issues in backtest 2 comments, last comment by Simon David,
Importing custom data 2 comments, last comment by Super Richman,
How to sell a security during the day while on a daily resolution. 5 comments, last comment by Nico Xenox,
Can anyone explain why this call option is getting exercised? Started by EliotH,
How to modify ETF Momentum algo to use top 3 symbols by momentum 3 comments, last comment by Craig McWilliams,
Stop Orders aren't getting filled even when price is breached 1 comment by Louis Szeto,
Algorithim Sells holdings but no liquidate specified? 1 comment by Axist,
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