Your First MQL5 Expert Advisor: Closed-Bar Signals and Demo Orders
Technical revision: 1 October 2026 · Educational materialOn this pageMake the rules explicitRead the execution policyEstimate risk without forcing the minimum lotDo not confuse a request with a fillRun a behavior test before a performance testThis tutorial turns a simple moving-average crossing into a complete educational EA. Follow it at your own pace: installation, compilation and verification take longer when your broker has different symbol specifications. The source is a learning exercise, with no published profitability claim. Make the rules explicit A buy signal occurs when the fast EMA was at or below the slow EMA on bar 2 and…