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@QuantConnect

QuantConnect

Python and C# algorithmic trading platform

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  1. Lean Lean Public

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

    C# 12.4k 3.7k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 262 140

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 656 187

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 210 173

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 125 54

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 641 239

Repositories

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

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 2 2 1 2 Updated Oct 3, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 8 12 4 0 Updated Oct 3, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 13 12 7 0 Updated Oct 3, 2025
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 4 4 0 0 Updated Oct 3, 2025
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
    C# 1 Apache-2.0 3 0 0 Updated Oct 3, 2025
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
    C# 7 Apache-2.0 9 0 0 Updated Oct 3, 2025
  • Lean.DataSource.IQFeed Public

    LEAN IQFeed Data Source

    QuantConnect/Lean.DataSource.IQFeed’s past year of commit activity
    C# 3 7 1 0 Updated Oct 3, 2025
  • Lean.DataSource.ThetaData Public

    Integration with ThetaData for Options History and Live Streaming

    QuantConnect/Lean.DataSource.ThetaData’s past year of commit activity
    C# 16 Apache-2.0 9 3 0 Updated Oct 3, 2025
  • Lean.DataSource.Polygon Public

    LEAN Polygon Data Source

    QuantConnect/Lean.DataSource.Polygon’s past year of commit activity
    C# 6 13 1 0 Updated Oct 3, 2025
  • Lean.Brokerages.ByBit Public

    ByBit Brokerage Integration to LEAN

    QuantConnect/Lean.Brokerages.ByBit’s past year of commit activity
    C# 8 9 1 1 Updated Oct 3, 2025