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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# 12.3k 3.7k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 261 139

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 641 184

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 205 172

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 124 52

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 633 239

Repositories

Showing 10 of 88 repositories
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 205 Apache-2.0 172 38 (1 issue needs help) 0 Updated Sep 11, 2025
  • Lean Public

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

    QuantConnect/Lean’s past year of commit activity
    C# 12,286 Apache-2.0 3,688 258 (12 issues need help) 5 Updated Sep 10, 2025
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 1 0 0 0 Updated Sep 10, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 9 12 3 0 Updated Sep 10, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 13 11 5 0 Updated Sep 10, 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 Sep 10, 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 Sep 10, 2025
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
    C# 6 Apache-2.0 9 0 0 Updated Sep 10, 2025
  • Lean.DataSource.IQFeed Public

    LEAN IQFeed Data Source

    QuantConnect/Lean.DataSource.IQFeed’s past year of commit activity
    C# 2 7 1 0 Updated Sep 10, 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# 15 Apache-2.0 9 3 0 Updated Sep 10, 2025