Lean

QuantConnect

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

algorithm finance c-sharp python

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12k Stars

3.6k Forks

12k Watchers

C# Language

apache-2.0 License

Cost to Build

$56.89M

Market Value

$306.46M

How is this calculated?

Growth over time

28 data points · 2018-09-01 → 2025-08-01

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What is the QuantConnect/Lean GitHub project? Description: "Lean Algorithmic Trading Engine by QuantConnect (Python, C#)". Written in C#. Explain what it does, its main use cases, key features, and who would benefit from using it.

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How to clone Lean

Clone via HTTPS

git clone https://github.com/QuantConnect/Lean.git

Clone via SSH

[email protected]:QuantConnect/Lean.git

Download ZIP

Download master.zip

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