FX Replay is a browser-based trading simulator built for fast, realistic backtesting of trading strategies. It lets users replay historical market data in real time (or at custom speeds), trade multiple symbols simultaneously, and analyze outcomes—all without risking real money.

What It Does

FX Replay simulates trading on historical market conditions in a highly realistic way, allowing users to test strategies, execute trades, and track performance over replayed time. It offers multi-chart functionality, economic calendar syncing, Monte Carlo simulations, journaling, and detailed analytics for strategy performance review youtube.

What We Like

• Real-time simulation: Feels like actual trading—with seconds-level speed control.
• Rich analytics: Includes P&L tracking, session stats, data breakdowns, and Monte Carlo runs .
• Multi-symbol support: Trade across different assets in parallel on multiple charts
• Integrated economic calendar: Tests strategies across real-world market events fxreplay.com.

What to Watch Out For

• Costly at higher tiers: The Pro plan may be expensive for casual traders.
• No auto-strategy scripting: Requires manual testing—no automated bots
• Learning curve: Robust features and analytics can be daunting at first.

Verdict

FX Replay offers a unique, immersive backtesting experience by simulating real-time trading on historical data. It's perfect for discretionary traders, educators, and anyone serious about understanding strategy performance. Its deep analytics and replay capabilities are strong advantages—though the higher-tier subscription and lack of algorithmic automation mean it's best suited for hands-on users. If you want to "relive" markets and train trading skills, FX Replay is one of the best tools available.