//+------------------------------------------------------------------+
//|                   Расчет лота в зависимости от размера стоплосса |
//|                                                Copyright © 2010. |
//|                                                http://mql4you.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2010."
#property link      "http://mql4you.ru"
#property show_inputs
extern int MaxRisk=2;
extern int StopLoss=100;
//+------------------------------------------------------------------+
int start()
{double Free    =AccountFreeMargin();
 double LotVal  =MarketInfo(Symbol(),MODE_TICKVALUE);//стоимость 1 пункта 1 лота
 double Min_Lot =MarketInfo(Symbol(),MODE_MINLOT);
 double Max_Lot =MarketInfo(Symbol(),MODE_MAXLOT);
 double Step    =MarketInfo(Symbol(),MODE_LOTSTEP);
 double Lot     =MathFloor((Free*MaxRisk/100)/(StopLoss*LotVal)/Step)*Step;
 if(Lot<Min_Lot)  Lot=Min_Lot;
 if(Lot>Max_Lot)  Lot=Max_Lot;
 Alert(Lot);
return(0);}
//+------------------------------------------------------------------+