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@QuantConnect

QuantConnect

Python and C# algorithmic trading platform

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  1. Lean Public

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

    C# 11.6k 3.6k

  2. lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 243 128

  3. Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 620 182

  4. Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 199 161

  5. IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 118 49

  6. Tutorials Public

    Jupyter notebook tutorials from QuantConnect website for Python, Finance and LEAN.

    Jupyter Notebook 603 232

Repositories

Showing 10 of 88 repositories
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    C# 1 0 0 1 Updated Jun 27, 2025
  • Lean.Brokerages.InteractiveBrokers Public

    InteractiveBrokers Brokerage Plugin

    C# 48 Apache-2.0 37 31 1 Updated Jun 27, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    C# 9 12 2 0 Updated Jun 27, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    C# 13 11 3 0 Updated Jun 27, 2025
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    C# 3 4 0 0 Updated Jun 27, 2025
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    C# 0 Apache-2.0 2 0 0 Updated Jun 27, 2025
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    C# 5 Apache-2.0 8 0 0 Updated Jun 27, 2025
  • Lean.DataSource.IQFeed Public

    LEAN IQFeed Data Source

    C# 2 7 2 0 Updated Jun 27, 2025
  • Lean.DataSource.ThetaData Public

    Integration with ThetaData for Options History and Live Streaming

    C# 13 Apache-2.0 10 3 0 Updated Jun 27, 2025
  • Lean.DataSource.Polygon Public

    LEAN Polygon Data Source

    C# 4 12 2 0 Updated Jun 27, 2025

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