Backtesting.py is a lightweight Python framework for testing trading strategies on historical OHLCV data. It targets individual and research-oriented traders who want a concise API, built-in optimization, and interactive result visualization.
Zipline is a Python library for efficient online streaming of data. It is designed for high-performance algorithmic trading.
BT is a global communications company offering a wide range of products and services including broadband, TV, and mobile.
Varies
QuantConnect is an algorithmic trading platform that allows users to design, backtest, and live trade algorithms in the stock market.
Free trial available, pricing varies based on usage
Backtrader is an open-source Python framework for backtesting and deploying quantitative trading strategies. It is aimed at individual algorithmic traders who need...
Free, open source
Alphalens is an open-source Python library for evaluating predictive investment factors and alpha signals. It analyzes forward returns, information coefficients, turnover, and...
Oleg Polakow
vectorbt is a Python quantitative analysis and backtesting platform built around pandas and NumPy. It serves researchers and systematic traders who need...
Free; paid Pro edition available
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