MetaTrader is referred to as one of several frequently used applications for Forex trading in the Forex market. It allows automated trading through expert advisors, scripts, and custom indicators. These capabilities can be developed in MetaQuotes’ native language, MQL4. EX4: This refers to a compiled version of the MQ4 file. https://gregoryeyrhq.blogminds.com/the-basic-principles-of-ex4-to-mq4-28098484