Elementary trailing stop - MetaTrader 4 için uzman

Elementary trailing stop able to distinguish its "own" orders among others by comment and/or Magic number. It also distinguishes the financial instrument that needs to be trailed.

Hopefully it will be useful for someone.

The arguments passed to the function:

• symbol — the symbol of the instrument that needs to be trailed (if empty is passed, current symbol is used).
• comment — the comment to the order (as an additional key for filtering among orders).
• magic — the magic number of the order (as a tool for filtering among orders).
• trail_p — the number of points to trail.