The Prax Blog.

Notes on manual backtesting, market replay, and the road to AI-trained trading models.

All announcement backtesting strategy
Introducing Prax: Manual market replay, in your browser

Introducing Prax: Manual market replay, in your browser

May 13, 2026

Prax is a web-based manual backtesting tool — bar-by-bar replay, practice trades, and full P&L analytics on real markets from anywhere in the world. Free at launch.
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Why Manual Backtesting Still Matters in the Age of AI

Why Manual Backtesting Still Matters in the Age of AI

March 10, 2026

AI is transforming trading, but manual backtesting remains essential for building intuition, understanding market behavior, and validating strategies before going live.
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