Backtest

Slippage & Spread Shock: The Back-Test Killers No One Shows You – My Trading – 6 July 2025

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Slippage & Spread Shock: The Back-Test Killers No One Shows You

Your EA wins 92 % of trades in Strategy Tester… then a single live position erases an entire month of profit. The silent culprits? Slippage and spread shock. 1 — Why “Perfect” Back-Tests Lie Strategy Tester assumes fixed spreads and zero-delay execution. Real markets? Never that kind.When liquidity thins or news hits, brokers widen spreads … Read more

Why 95% of Trading Bots That Backtest Well Fail in Real Markets – My Trading – 13 April 2025

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Why 95% of Trading Bots That Backtest Well Fail in Real Markets

You’ve seen it before. A trading bot with a perfect backtest. The equity curve climbs smoothly. The win rate is over 90%. And you’re thinking, “Finally. This is it.” Then you go live… and suddenly it doesn’t trade the same. It loses. It hesitates. It starts doing things that make you doubt the entire system. … Read more