EA The Beast v1.0 Source Code MQ4 is an Expert Advisor (EA) for MetaTrader 4 (MT4). EAs are automated trading programs that run on the MT4 platform and can be used to open and close trades automatically based on pre-defined algorithms. This specific EA, “The Beast,” is described as having features like “5-Year Blood-Tested Mode” and various trading modes (Hedge, OnlyLong, OnlyShort). It allows for fixed lot sizes, magic number customization, and dynamic money management options.