MetaTrader 4 is known as one of the most commonly used applications for trading in financial markets. It supports automated systems via trading bots, custom scripts, and indicators. These capabilities can be developed in MetaTrader’s proprietary language, MQL. EX4: This refers to a compiled version of the MQ4 source code. https://ex4tomq417156.vblogetin.com/36068974/ex4-to-mq4-fundamentals-explained