double Lot()
  {
   double lot=Lots;

   for(int i=OrdersHistoryTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderProfit()>0)
              {
               lot=Lots;
               break;
              }
            if(OrderProfit()<0)
              {
               lot=OrderLots()*KLot;
               break;
              }
           }
        }
     }

   if(CountTrades()>0)
     {
      lot=NormalizeDouble(Lots*MathPow(KLot,CountTrades()),2);
     }

   if(lot>MaxLot)
      lot=Lots;

   return(lot);
  }