Compra<SMA Venta>SMA

// Youtube--> https://www.youtube.com/watch?v=S_yMNANQHyc

#include<Trade\Trade.mqh>
CTrade trade;

int  MediaMovil=0;

void OnInit()
   {
   MediaMovil=iMA(_Symbol,PERIOD_CURRENT,100,0,MODE_SMA, PRICE_CLOSE);
   }

void OnTick()
  {
  if(PositionsTotal()==0 && MediaMovil()>SymbolInfoDouble(NULL,SYMBOL_ASK) ) trade.Buy(0.1);
  if(MediaMovil()<SymbolInfoDouble(NULL,SYMBOL_BID))CerrarPosiciones();
  }

double MediaMovil()
  {
   double MediaMovilArray[];
   ArraySetAsSeries(MediaMovilArray,true);
   CopyBuffer(MediaMovil,0,0,10,MediaMovilArray);

   return(NormalizeDouble(MediaMovilArray[1],_Digits));
  }


void CerrarPosiciones()
  {
  int a=PositionsTotal();

  while(a!=0)
  {
     ulong Ticket=PositionGetTicket(PositionsTotal()-1);
     trade.PositionClose(Ticket,-1);
     a--;
  }
}