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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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Telegram Signals/bot notifications 5 comments, last comment by Vronghel,
VSCode devcontainer Setup for lean development Started by Stefan Stoeckigt,
Backtest Runtime 3 comments, last comment by Jared Broad,
Taking profit based on % return 2 comments, last comment by Varad Kabade,
Trying to trade QQQ market open based on Emini changes from 1600-0930 but am having difficulty. Suggestions? 7 comments, last comment by Fred Painchaud,
Kernel Restarting The kernel appears to have died. It will restart automatically. 1 comment by Varad Kabade,
Research Notebook General Questions 1 comment by Varad Kabade,
SMA window for a consolidated period 1 comment by Varad Kabade,
Feature Requests - IDE Improvements 6 comments, last comment by .ekz.,
Porting Quandl over to NasdaqDataLink in an algo 2 comments, last comment by Vladimir,
Coloring dataframes in reserach notebook 1 comment by Louis Szeto,
Unable to use QuickRatio (TypeError : Cannot get managed object) 2 comments, last comment by Viktor Somogyi-Vass,
Backtests stall out due to data/memory usage. What can I do? 7 comments, last comment by Varad Kabade,
Scheduling code to liquidate entire portfolio agnostic of which security is currently invested? 2 comments, last comment by Fred Painchaud,
Same code, different backtest results 5 comments, last comment by Fred Painchaud,
How to remove data feed (intraday) for tickers selected from universe selection? 6 comments, last comment by Fred Painchaud,
Is it possible to review the code for an old optimization run? 2 comments, last comment by Mak K,
Price data error even though checking data.ContainsKey 5 comments, last comment by Justin Busa,
Seeking: Daily Email Reports for Live Algos 2 comments, last comment by .ekz.,
Issue live trading options with optionchain 1 comment by Alexandre Catarino,
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