This is the human-readable script. It contains the logic, variables, functions, and comments written by the developer. It is the blueprint of the trading strategy.

However, the journey from source code ( .mq4 ) to executable file ( .ex4 ) has often been a one-way street for many traders. When source code is lost or when a trader wants to understand the logic behind a "black box" commercial EA, the search for a decompiler begins. This brings us to the specific subject of this article: .

double TakeProfitLevel = Ask + 50 * Point; The decompiled code might look like: