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aat

Backtesting & trading frameworks★ 841 GitHub starsC++⏱ Last commit 3 months ago

Async algorithmic trading engine with shared backtest and live code

What it is

An asynchronous algorithmic trading engine that uses one event-driven strategy class for both backtesting and live trading. The core is written for Python's async model, with an optional C++ path for speed. Quant developers who want to build a custom trading system on an async architecture are the natural users. Setting it up for a real broker or exchange takes more engineering than higher-level backtesting libraries.

At a glance

Research onlyOur rating, based on popularity, maintenance and how ready it is for real use.

Best forDevelopers
Used forBacktesting, Live trading
MarketsMulti-market
StackPython
Learning curveModerate learning curve
Practical valueMedium practical value
CostFree and open source
HardwareNo GPU needed
MaintenanceLast commit 3 months ago

GitHub stars, last 30 days

Daily snapshots since 2026-09-28 (up to 30 days): +5 over the period, now 841. Gaps mean no snapshot was taken that day.

In the author's words

Async Algorithmic Trading Engine.

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