The programming language for MT5 (MetaQuotes Language 5), a high-level, object-oriented language (close to C++). It is used to develop MT5 EAs, indicators, scripts, services, and libraries. MQL5 provides extensive trading functions and event handlers (like OnInit(), OnTick(), OnTimer(), etc.). MQL5 code runs in MetaTrader 5’s MetaEditor and can access advanced features like Depth of Market and multithreading.

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