//+------------------------------------------------------------------+
//|                                                  P&P_EA_MACD.mq4 |
//|                 Copyright © 2013, P&P Investment Strategies sagl |
//|                                       http://www.ppinvestment.ch |
//+------------------------------------------------------------------+
#property copyright "P&P Investment Strategies © 2013"
#property link      "http://www.ppinvestment.ch"

static datetime lastBar;

extern double StopLose     = 290;
extern double TakeProfit   = 350;
extern double Lots         = 0.75;
extern double MACDBuyLow   = 0.00021;
extern double MACDBuyHigh  = 0.000155;
extern double MACDSellLow  = 0.00022;
extern double MACDSellHigh = 0.00015;
extern double FastEmaPeriod= 2;
extern double SlowEmaPeriod= 3;
extern double SignalPeriod = 20;

//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
{
   lastBar= Time[ 0];
   return(0);
}

//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
{
   return(0);
}

//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
{
   if(Bars< 10)
   {
      Print("bars less than 10");
      return(0);  
   }
   // si attiva subito dopo la chiusura della candela
   if( lastBar!= Time[ 0])
   {
      lastBar= Time[ 0];
      // apre posizione di BUY quando MACD attraversa lo zero dal basso verso l'alto 
      if( iMACD(NULL, 0, FastEmaPeriod, SlowEmaPeriod, SignalPeriod, PRICE_CLOSE, MODE_MAIN, 1)> MACDBuyHigh 
            && iMACD(NULL, 0, FastEmaPeriod, SlowEmaPeriod, SignalPeriod, PRICE_CLOSE, MODE_MAIN, 3)< -MACDBuyLow)
      {
            OrderSend( Symbol(), OP_BUY, Lots, Ask, 3, Ask- ( StopLose* Point), Ask+ ( TakeProfit* Point), "P&P_EA_MACD", 803, 0, Red);
      }
      // apre posizione di SELL quando MACD attraversa lo zero dll'alto verso il basso
      else if( iMACD(NULL, 0, FastEmaPeriod, SlowEmaPeriod, SignalPeriod, PRICE_CLOSE, MODE_MAIN, 1)< -MACDSellLow 
            && iMACD(NULL, 0, FastEmaPeriod, SlowEmaPeriod, SignalPeriod, PRICE_CLOSE, MODE_MAIN, 3)> MACDSellHigh)
     {
            OrderSend( Symbol(), OP_SELL, Lots, Bid, 3, Bid+ ( StopLose* Point), Bid- ( TakeProfit* Point), "P&P_EA_MACD", 803, 0, Blue); 
     }
   }
   
   return(0);
}

//+------------------------------------------------------------------+