Как удвоить лот при реверсивном сигнале

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Добрый день ...

Помогите пожалуйста ...Нужно увеличить лот при реверсивном сигнале ...

//+------------------------------------------------------------------+
//|                                                  MACD Sample.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+

extern double TakeProfit = 50;
extern double Stoploss = 90;
extern double Lots = 0.1;
extern double TrailingStop = 30;
extern double MACDOpenLevel=3;
extern double MACDCloseLevel=2;
extern double MATrendPeriod=26;

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start()
  {
   double MacdCurrent, MacdPrevious, SignalCurrent;
   double SignalPrevious, MaCurrent, MaPrevious;
   int cnt, ticket, total;
// initial data checks
// it is important to make sure that the expert works with a normal
// chart and the user did not make any mistakes setting external 
// variables (Lots, StopLoss, TakeProfit, 
// TrailingStop) in our case, we check TakeProfit
// on a chart of less than 100 bars
   if(Bars<100)
     {
      Print("bars less than 100");
      return(0);  
     }
   if(TakeProfit<10)
     {
      Print("TakeProfit less than 10");
      return(0);  // check TakeProfit
     }
// to simplify the coding and speed up access
// data are put into internal variables
  

   total=OrdersTotal();
   if(total<1) 
     {
      // no opened orders identified
      if(AccountFreeMargin()<(1000*Lots))
        {
         Print("We have no money. Free Margin = ", AccountFreeMargin());
         return(0);  
        }
      // check for long position (BUY) possibility
     if(iMA(NULL,0,21,0,MODE_SMA,PRICE_CLOSE,0)>iMA(NULL,0,55,0,MODE_SMA,PRICE_CLOSE,0))
        {
         ticket=OrderSend(Symbol(),OP_BUY,Lots,Ask,3,Ask-Stoploss*Point,Ask+TakeProfit*Point,"macd sample",16384,0,Green);
         if(ticket>0)
           {
            if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES)) Print("BUY order opened : ",OrderOpenPrice());
           }
         else Print("Error opening BUY order : ",GetLastError()); 
         return(0); 
        }
      // check for short position (SELL) possibility
    if(iMA(NULL,0,21,0,MODE_SMA,PRICE_CLOSE,0)<iMA(NULL,0,55,0,MODE_SMA,PRICE_CLOSE,0))
        {
         ticket=OrderSend(Symbol(),OP_SELL,Lots,Bid,3,Bid+Stoploss*Point,Bid-TakeProfit*Point,"macd sample",16384,0,Red);
         if(ticket>0)
           {
            if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES)) Print("SELL order opened : ",OrderOpenPrice());
           }
         else Print("Error opening SELL order : ",GetLastError()); 
         return(0); 
        }
      return(0);
     }
   // it is important to enter the market correctly, 
   // but it is more important to exit it correctly...   
   for(cnt=0;cnt<total;cnt++)
     {
      OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
      if(OrderType()<=OP_SELL &&   // check for opened position 
         OrderSymbol()==Symbol())  // check for symbol
        {
         if(OrderType()==OP_BUY)   // long position is opened
           {
            // should it be closed?
            if(iMA(NULL,0,21,0,MODE_SMA,PRICE_CLOSE,0)<iMA(NULL,0,55,0,MODE_SMA,PRICE_CLOSE,0))
                {
                 OrderClose(OrderTicket(),OrderLots(),Bid,3,Violet); // close position
                  
                 OrderSend(Symbol(), OP_SELL, 0.2, Bid, Bid+Stoploss*Point,Bid-TakeProfit*Point, 0);
                 return(0); // exit
                }
               
           }
         else // go to short position
           {
            // should it be closed?
         if(iMA(NULL,0,21,0,MODE_SMA,PRICE_CLOSE,0)>iMA(NULL,0,55,0,MODE_SMA,PRICE_CLOSE,0))
              {
               OrderClose(OrderTicket(),OrderLots(),Ask,3,Violet); // close position
                if(iMA(NULL,0,21,0,MODE_SMA,PRICE_CLOSE,0)>iMA(NULL,0,55,0,MODE_SMA,PRICE_CLOSE,0))
              
               OrderSend(Symbol(), OP_BUY, 0.2, Ask,Ask-Stoploss*Point,Ask+TakeProfit*Point, 0);
               return(0); // exit
              }
             
            // check for trailing stop
            
              
           }
        }
     }
   return(0);
  }
// the end.
 
Видимо исходных данных не хватает
 
Это советник....Что не хватает? о Каких данных идет речь?
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