Articles

Measuring broker execution quality in MQL5: Why your live account doesn't match the backtest for MetaTrader 5

Live performance often drifts from backtests because of execution friction. We introduce an MQL5 diagnostic EA that records entry and exit slippage, asymmetry, observed spread, requotes, and per-leg latency, using a precise probe mode and an approximate passive mode, and writes every sample to CSV

Broker Reality Check (Part 1): Why Your EA Works on a Demo and Breaks on a Client's Broker for MetaTrader 5

Your Expert Advisor runs clean on your demo, then throws errors on a client's broker and quietly stops trading - and the code never changed. What changed is the broker's rulebook. This first article of the Broker Reality Check series builds a diagnostic EA that reads every relevant symbol trading