MQL5
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MT4 to MT5 Migration: Recompiling Is the Easy Part
An MT4 EA that takes two hours to recompile into MT5 syntax can take three weeks to start failing in ways you cannot explain. That gap — between “it compiles”…
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Your EA Works on EURUSD. It Will Break on Everything Else
Your EA made money on EURUSD for six months. You attach it to gold — same settings, same logic, same expectations. Within a week, it has either lost money or…
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How We Evaluate: Fix the EA or Rebuild It
“Fix one small thing” can turn out, twenty minutes into a code review, to take longer than a rebuild. An EA can compile, backtest fine and run on demo for…
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Anatomy of a Code Rescue — What I Find Inside “Working” EAs
Your EA backtests profitably, compiles without warnings, and runs on your demo account without crashing. None of that means it is production-ready. Most EAs that “work fine” in backtest share…