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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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Fundamental data delay 3 comments, last comment by Louis Szeto,
MorningstarSectorCode not available for the delisted stocks? 1 comment by Varad Kabade,
Problems creating universe, how much data can I handle? 4 comments, last comment by Newoptionz,
Using universe securities within another class error? 1 comment by Adam W,
How to construct Assets List for Equities, CFD, cryptos? 9 comments, last comment by Piggyinu,
Renko Consolidator Questions 3 comments, last comment by Varad Kabade,
Algo executing twice in a day 2 comments, last comment by Piggyinu,
Object store (eventual?) consistency 1 comment by Varad Kabade,
Security does not have accurate price [using algorithm framework] 7 comments, last comment by Vladimir,
Lean-CLI Fatal error 1 comment by Varad Kabade,
How to fix "Error: Please make sure Docker is installed and running" 2 comments, last comment by ,
Anyone using the Brain Sentiment Indicator for algo trading? 1 comment by Varad Kabade,
'TradeBar' and 'float' objects throws a TypeError exception. 5 comments, last comment by Vladimir,
Runtime error when using custom indicator with consolidators 5 comments, last comment by Vladimir,
Difference between __init__ and Initialize in QCAlgorithm instances 1 comment by Louis Szeto,
Printing High / Low of Opening 30 min into logs 1 comment by Vladimir,
Loading forever 3 comments, last comment by Jared Broad,
Small issues with first algo 1 comment by Vladimir,
Trying to place stop loss thru onOrderEvent () 3 comments, last comment by Fred Painchaud,
Futures Options Trading with IB Data 4 comments, last comment by Louis Szeto,
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