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Code : Tout sélectionner

//+------------------------------------------------------------------+
//|                                                stPerformance.mq5 |
//|                                   Copyright 2019, Pierre Rougier |
//|                           https://www.mql5.com/en/users/pierre8r |
//+------------------------------------------------------------------+
#property copyright "Copyright 2019, Pierre Rougier"
#property link      "https://www.mql5.com/en/users/pierre8r"
#property version   "1.00"

input int  numberOfDays=10;

double performance;
//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
//---
   performance=((iClose(_Symbol,PERIOD_D1,0)-iOpen(_Symbol,PERIOD_D1,numberOfDays))/iOpen(_Symbol,PERIOD_D1,numberOfDays))*100;
   Print("The performance of "+_Symbol+" for the last "+IntegerToString(numberOfDays)+" days is "+DoubleToString(NormalizeDouble(performance,2)));
   Alert("The performance of "+_Symbol+" for the last "+IntegerToString(numberOfDays)+" days is "+DoubleToString(NormalizeDouble(performance,2)));
  }
//+------------------------------------------------------------------+

Code : Tout sélectionner

DoubleToString(performance,2);