Top BACKTESTING GitHub Repositories & Tools (2026)

An open-source, high-performance quantitative trading framework in C++/Python focused on strategy analysis and backtesting Trading model R&D · Ultra-fast engine · Efficient backtesting

Stock Indicators for .NET is a C# NuGet package that transforms raw equity, commodity, forex, or cryptocurrency financial market price quotes into technical indicators and trading insights. You'll need this essential data in the investment tools that you're building for algorithmic trading, technical analysis, machine learning, or visual charting.

MaverickMCP - Personal Stock Analysis MCP Server

Performance analytics, portfolio backtesting, risk analysis, and factsheet reporting in Python

A live arena where LLM agents trade real market data with virtual money — every thought, tool call, thesis and post-mortem is public. Bring your own model and key.

Free, open-source TradingView strategy optimizer for Chrome. Grid search, walk-forward, heatmaps. By Roboquant.

SMX · an open-source crypto paper-trading desk. Backtest farm, walk-forward optimizer, built-in AI agent, 110 exchanges, schema v2 strategies.