MetaTrader 4 is known as one of the most well-known platforms for traders in markets. It allows automated strategies by means of expert advisors, scripts, and custom indicators. These tools are often coded in MetaQuotes’ proprietary language, MQL. EX4: This refers to a compiled version of the MQ4 source code. https://andrepurpq.blogolenta.com/27366985/ex4-to-mq4-fundamentals-explained