MetaTrader is one of the most frequently used software for trading in the Forex market. It offers automated systems by means of expert advisors, code scripts, and indicators. These functions are often programmed in MT4’s native language, MQL. EX4: This file format is the compiled version of the MQ4 source https://waylonaddca.snack-blog.com/30423718/the-fact-about-ex4-to-mq4-that-no-one-is-suggesting