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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# 12.1k 3.7k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 260 138

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 641 183

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 206 170

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 123 51

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 622 240

Repositories

Showing 10 of 88 repositories
  • mcp-server Public

    Python MCP server for local interactions with the QuantConnect API

    QuantConnect/mcp-server’s past year of commit activity
    Python 26 Apache-2.0 9 4 1 Updated Aug 21, 2025
  • Lean Public

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

    QuantConnect/Lean’s past year of commit activity
    C# 12,140 Apache-2.0 3,654 246 (12 issues need help) 3 Updated Aug 21, 2025
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 206 Apache-2.0 170 38 (1 issue needs help) 0 Updated Aug 21, 2025
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 1 0 0 0 Updated Aug 21, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 8 13 3 0 Updated Aug 21, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 13 12 4 0 Updated Aug 21, 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 Aug 21, 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 Aug 21, 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 9 0 0 Updated Aug 21, 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 Aug 21, 2025

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