Backtesting is the process of validating how an EA performs using historical data before running it with real money. Even if backtesting results look promising, actual live trading may not produce the same results. However, running an EA without backtesting is like boarding a plane without a pre-flight check—it's simply too risky.
This is a companion discussion topic for the original entry at https://fxea365.com/blog/ea-backtest-guide