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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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'NoneType' object has no attribute 'Open' when plotting candle charts 6 comments, last comment by Jack Simonson,
Lean Install with Python on Linux - Not finding python3.6m 12 comments, last comment by Brad Hearne,
Add Security with real exchange not the general one not working 4 comments, last comment by Aytac Asan,
Live Sharpe Ratio 1 comment by Derek Melchin,
Does Lean engine local run the (multi?-)algorithm (or multi-symbols) on multiple threads (on different cpu/cores)? 3 comments, last comment by Jared Broad,
Output of "Time.Multiply(Extensions.ToTimeSpan(Resolution.Daily), 0.25)"? 5 comments, last comment by Varad Kabade,
HELP: How to track individual securities in Portfolio? 4 comments, last comment by Jared Broad,
'design' not defined in Scheduled Event 1 comment by Rahul Chowdhury,
How to set universal leverage for my algorithm? 2 comments, last comment by Frank Schikarski,
Machine Learning - LSTM 4 comments, last comment by Adam W,
Why is OnSchedule function firing on 2018-01-02 - the markets were closed and the symbol was not trading? 2 comments, last comment by Mark Reeve,
Introducing Alternative Data - Task 175 1 comment by Derek Melchin,
Tracking Security Changes - Task 198 5 comments, last comment by Karl H,
SECReport8K 1 comment by Rahul Chowdhury,
Need help with indicators based on HeiKin Ashi 1 comment by Derek Melchin,
When do I exactly need to start subscription? 3 comments, last comment by Jared Broad,
Custom Indicator Problem - Bandpass Filter 5 comments, last comment by Papa Bear,
Crypto assets 5 comments, last comment by Louis Szeto,
Order Fill Date 1 comment by Derek Melchin,
MultipleSymbolConsolidationAlgorithm + Access to previous Bar data. + c# 1 comment by Derek Melchin,
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