Real author: Andrey Mishustin
The Expert Advisor calculates the maximum lot size that can be used to open a position using the entire free margin available on the deposit. The calculated value is displayed in the upper right chart corner by default.
This Expert Advisor was first implemented in MQL4 and published in Code Base at mql4.com on 21.06.2012.
Expert Advisor input parameters:
//+------------------------------------------------+ //| Expert Advisor input parameters | //+------------------------------------------------+ input ENUM_POSITION_TYPE PosType=POSITION_TYPE_BUY; // Position type //---- indicator display settings input string Symbols_Sirname="MAX_LOT_Label_"; // Name for the indicator labels input color IndName_Color=clrMediumSlateBlue; // Indicator color input uint Font_Size=15; // Indicator font size input uint X_=15; // Horizontal offset input int Y_=15; // Vertical offset input ENUM_BASE_CORNER WhatCorner=CORNER_RIGHT_UPPER; // Display corner //+------------------------------------------------+
Fig1. The EXP_MAX_LOT EA on the chart
