- November 8, 2025
Running in the Strategy Tester
Overview The Strategy Tester in MetaTrader 5 lets you run your Expert Advisors (EAs) on historical data to verify logic, performance, and risk—without using real money. You can backtest on different symbols and timeframes, review reports and logs, and even optimize input parameters to search for better settings. Mastering the tester is a crucial step before any live deployment. What You Will Be Able to Do Code Example This minimal EA uses an input parameter (fast MA period) so you can adjust it in the tester and later optimize it. Execution Steps Key Point Backtesting validates logic and reveals performance characteristics before risking capital. Use inputs to make scenarios reproducible and optimization-ready, and always confirm findings on out-of-sample data to avoid overfitting. Next Section → Next: Working with Parameters