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LEAN is the open source algorithmic trading engine powering QuantConnect. Founded in 2013 LEAN has been built by a global community of 80+ engineers and powers more than a dozen hedge funds today.

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C#
172
Integrating Lean.Brokerages.Binance into Lean 2 comments, last comment by David Tachera,
Py
91
SEC Form 4 filings 1 comment by Derek Melchin,
Py
916
Log DollarVolume and MarketCap 3 comments, last comment by Justin E,
Py
1.2k
Working example for reading custom data from json rest 1 comment by Derek Melchin,
Py
731
Runtime Error: Keyerror 4 comments, last comment by Xeno core,
Py
2.4k
Anyone know why this line of code is not working? Data normalization for multiple symbols? 3 comments, last comment by Nico Xenox,
Py
1.2k
WBD, Daily The issue starts at the start of the data; and continues until now Started by Rafael Trevisan,
Py
4.6k
Why isn't TQQQ opposite of SQQQ? 6 comments, last comment by S O'Keeffe,
Py
287
Wrong data for SPY daily close price in SMA calculation, Daily The issue starts at the start of the data; and continues until now Started by Xiaoyi Chen,
Py
96
Lean-cli paywalled? 1 comment by Jared Broad,
Py
2.9k
SPY STRATEGY PROBLEM WITH RESOLUTIONS 1 comment by Derek Melchin,
Py
693
Cost of short selling in the fee calculation 2 comments, last comment by Paulduring,
Py
27.7k
Notift.Web - method that does not exist 1 comment by Derek Melchin,
Py
4k
Splitting an algo into multiple files - from file import * 1 comment by Derek Melchin,
Py
1.1k
Bloomberg Data Availability 1 comment by Derek Melchin,
Py
5.5k
Lean-CLI Can't List Issue 3 comments, last comment by Derek Melchin,
Py
693
Universe selection: exists since 10 years 4 comments, last comment by Paulduring,
Py
13.4k
Lean Report Generation Issue 1 comment by Derek Melchin,
Py
2.4k
Difficulty Understanding RAM Limits 4 comments, last comment by Jesse Fleming,
Py
542
Schedule Events Problem 3 comments, last comment by Sebul,
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