Backtesting Engine Python Packages

backtesting

🔎 📈 🐍 💰 Backtest trading strategies in Python.

pynesys-pynecore

Pine Script-compatible Python runtime for indicators and strategies, validated against TradingView on real published scripts

hftbacktest

Free, open source, a high frequency trading and market making backtesting and trading bot, which accounts for limit orders, queue positions, and latencies, utilizing full tick data for trades and order books(Level-2 and Level-3), with real-world crypto trading examples for Binance and Bybit

backtrader-next

Python Backtesting library for trading strategies

axon-quant

AI-native event-driven trading engine. Rust core with Python RL bindings. Built-in Gymnasium environments, LLM agents, SHAP explainability, and model ensembling — from backtesting to production.(AI 原生事件驱动交易引擎，Rust 内核，Python RL 绑定，支持 Gymnasium 环境、LLM 智能体、SHAP 可解释性与模型集成，贯穿回测到生产部署。)

py-beacon-kit

python package for index & ETFs strategy development, backtesting and analysis

quantcore

C++ backtesting engine with a real order book, priority-queue event loop, and Python bindings.

bbstrader

Simplified Investment & Trading Toolkit with Python & C++

keel-trade

Keel — CLI and MCP server for AI-driven crypto strategy development on Hyperliquid

deltafq

Python 开源量化框架： 覆盖“研究、回测、交易”全生命周期，构建从零到实盘的工业级量化闭环工作流。

simtradelab

SimTradeLab is an open-source backtesting framework inspired by PTrade’s event-driven architecture. It features a lightweight, modular design and full syntax compatibility, enabling seamless strategy development and validation.

qtradex

AI-powered SDK featuring algorithmic trading, backtesting, deployment on 100+ exchanges, and multiple optimization engines.

opencode-pyneruntime

Pine Script-compatible Python runtime for indicators and strategies, validated against TradingView on real published scripts

qstrader

QuantStart.com - QSTrader backtesting simulation engine.

strategytester5

A strategy tester for MetaTrader5 in Python language

deployquant

DQengine: the fastest event-driven backtester we know of for US stocks on bars. Python, LEAN-compatible. The engine behind DeployQuant.

neoportfolio

Portfolio Selection, Weight Optimization, and Backtesting with Sentiment analysis and ML return predictions. Automatic retrieval of popular indices' components.

deployquant-schwab

DQengine: the fastest event-driven backtester we know of for US stocks on bars. Python, LEAN-compatible. The engine behind DeployQuant.

deployquant-webull

DQengine: the fastest event-driven backtester we know of for US stocks on bars. Python, LEAN-compatible. The engine behind DeployQuant.

zipfinam

Бэктест и алготорговля на Мосбирже через Финам. Котировки из Finam Trade API, календари MOEX и FORTS, заявки на ваш счёт без переписывания стратегии. Надстройка над ziplime.

backintime

Tool for testing trading strategies on historical data

polyorderbooks-backtest

Official Python backtesting library for PolyOrderbooks historical Polymarket order-book data.

polarbt

Blazingly fast strategy backtest with polars

pybacktest

Simple Python Backtesting