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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# 11.7k 3.6k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 243 129

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 621 181

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 199 162

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 118 49

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 604 234

Repositories

Showing 10 of 88 repositories
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 199 Apache-2.0 162 35 (1 issue needs help) 2 Updated Jun 30, 2025
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 1 0 0 1 Updated Jun 30, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 9 12 2 0 Updated Jun 30, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 13 11 3 0 Updated Jun 30, 2025
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 3 4 0 0 Updated Jun 30, 2025
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
    C# 0 Apache-2.0 3 0 0 Updated Jun 30, 2025
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
    C# 5 Apache-2.0 8 0 0 Updated Jun 30, 2025
  • Lean.DataSource.IQFeed Public

    LEAN IQFeed Data Source

    QuantConnect/Lean.DataSource.IQFeed’s past year of commit activity
    C# 2 7 2 0 Updated Jun 30, 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# 13 Apache-2.0 10 3 0 Updated Jun 30, 2025
  • Lean.DataSource.Polygon Public

    LEAN Polygon Data Source

    QuantConnect/Lean.DataSource.Polygon’s past year of commit activity
    C# 4 12 1 0 Updated Jun 30, 2025
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