MetaTrader 4 can be described as one of the most popular platforms for trading in financial markets. It offers automated trading via automated advisors, code scripts, and custom indicators. These tools are typically developed in MT4’s specialized language, MQL. EX4: This refers to the compiled version of the MQ4 file. https://manuelimqpk.liberty-blog.com/30600300/ex4-to-mq4-can-be-fun-for-anyone