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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# 18.1k 4.6k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 292 158

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 729 198

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 234 187

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 132 59

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 700 244

Repositories

Showing 10 of 93 repositories
  • Lean.DataSource.QuiverQuant Public

    Quiver Quantitative Alternative Data

    QuantConnect/Lean.DataSource.QuiverQuant’s past year of commit activity
    C# 0 1 0 0 Updated Mar 27, 2026
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 234 Apache-2.0 187 21 3 Updated Mar 27, 2026
  • Lean.DataSource.ThetaData Public

    Integration with ThetaData for Options History and Live Streaming

    QuantConnect/Lean.DataSource.ThetaData’s past year of commit activity
    C# 21 Apache-2.0 14 3 0 Updated Mar 26, 2026
  • Lean.Brokerages.dYdX Public

    dYdX Brokerage Plugin

    QuantConnect/Lean.Brokerages.dYdX’s past year of commit activity
    C# 3 5 0 1 Updated Mar 26, 2026
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 9 8 0 1 Updated Mar 26, 2026
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 12 19 3 1 Updated Mar 26, 2026
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 17 17 4 0 Updated Mar 26, 2026
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 4 7 0 0 Updated Mar 26, 2026
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
    C# 2 Apache-2.0 6 0 0 Updated Mar 26, 2026
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
    C# 9 Apache-2.0 13 0 0 Updated Mar 26, 2026