MACD&STOCH ON CHART DIVERGENCE





//+------------------------------------------------------------------+
//|                               MACD&STOCH ON CHART DIVERGENCE.mq4 |
//|                                    Copyright © 2008, FOREXflash. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2008, FOREXflash"
#property link      "http://www.metaquotes.net"
//----
#property indicator_chart_window
#property indicator_buffers 8
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_color3 Black
#property indicator_color4 Black
#property indicator_color5 Lime
#property indicator_color6 Orange
#property indicator_color7 Black
#property indicator_color8 Black

//----
#define arrowsDisplacement 0.0001
//---- input parameters
extern string separator1  = "*** MAConv/Div Settings ***";
extern int    fastEMA=12,slowEMA=26,signalSMA=9;
extern string separator1b = "*** Stochastic Settings ***";
extern int    Kperiod=5,Dperiod=3,slowing=3;
extern string separator2  = "*** Indicator Settings ***";
extern bool   displayAlert = false;
//---- buffers
double bullishDivergence[];
double bearishDivergence[];
double macd[];
double signal[];
double StobullishDivergence[];
double StobearishDivergence[];
double Stochastic[];
double Stosignal[];
//----
static datetime lastAlertTime;
static string   indicatorName;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW,0,2);
   SetIndexStyle(1, DRAW_ARROW,0,2);
   SetIndexStyle(4, DRAW_ARROW,0,2);
   SetIndexStyle(5, DRAW_ARROW,0,2);
   SetIndexStyle(6, 12);

//----   
   SetIndexBuffer(0, bullishDivergence);
   SetIndexBuffer(1, bearishDivergence);
   SetIndexBuffer(2, macd);
   SetIndexBuffer(3, signal); 
   SetIndexBuffer(4, StobullishDivergence);
   SetIndexBuffer(5, StobearishDivergence);
   SetIndexBuffer(6, Stochastic);  
//----   
   SetIndexArrow(0, 221);
   SetIndexArrow(1, 222);
   SetIndexArrow(4, 221);
   SetIndexArrow(5, 222);
//----
   indicatorName = "ULTRA(" + fastEMA + ", " + 
                                 slowEMA + ", " + signalSMA + ")";
   SetIndexDrawBegin(3, signalSMA);
   IndicatorDigits(Digits + 2);
   IndicatorShortName(indicatorName);

   return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
   for(int i = ObjectsTotal() - 1; i >= 0; i--)
     {
       string label = ObjectName(i);
       if(StringSubstr(label, 0, 19) != "ULTRA")
           continue;
       ObjectDelete(label); 
        ObjectsDeleteAll(0);  
     }
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int countedBars = IndicatorCounted();
   if(countedBars < 0)
       countedBars = 0;
   CalculateIndicator(countedBars);
   CalculateIndicator2(countedBars);
//---- 
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CalculateIndicator(int countedBars)
  {
   for(int i = Bars - countedBars; i >= 0; i--)
     {
       CalculateMACD(i);
       CatchBullishDivergence(i + 1);
       CatchBearishDivergence(i + 1);
     }              
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CalculateIndicator2(int countedBars)
  {
   for(int i = Bars - countedBars; i >= 0; i--)
     {
       CalculateStochastic2(i);
       CatchBullishDivergence2(i + 1);
       CatchBearishDivergence2(i + 1);
     }              
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CalculateMACD(int i)
  {
   macd[i] = iMACD(NULL, 0, fastEMA, slowEMA, signalSMA, 
                   PRICE_CLOSE, MODE_MAIN, i);
   
   signal[i] = iMACD(NULL, 0, fastEMA, slowEMA, signalSMA, 
                     PRICE_CLOSE, MODE_SIGNAL, i);         
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CalculateStochastic2(int i)
  {
   Stochastic[i] = iStochastic(NULL,0,Kperiod,Dperiod,slowing,MODE_SMA,0,MODE_MAIN,i)-50;
   
   Stosignal[i] = iStochastic(NULL,0,Kperiod,Dperiod,slowing,MODE_SMA,0,MODE_SIGNAL,i)-50;         
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CatchBullishDivergence(int shift)
  {
   if(IsIndicatorTrough(shift) == false)
       return;  
   int currentTrough = shift;
   int lastTrough = GetIndicatorLastTrough(shift);
//----   
   if(macd[currentTrough] > macd[lastTrough] && 
      Low[currentTrough] < Low[lastTrough])
     {
       bullishDivergence[currentTrough] = Low[currentTrough] - 
                                          arrowsDisplacement;
      
       //----
       if(displayAlert == true)
          DisplayAlert("Classical bullish divergence on: ", 
                        currentTrough);  
     }
//----   
   if(macd[currentTrough] < macd[lastTrough] && 
      Low[currentTrough] > Low[lastTrough])
     {
       bullishDivergence[currentTrough] = Low[currentTrough] - 
                                          arrowsDisplacement;
       
       //----
       if(displayAlert == true)
           DisplayAlert("Reverse bullish divergence on: ", 
                        currentTrough);   
     }      
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CatchBullishDivergence2(int shift)
  {
   if(IsIndicatorTrough2(shift) == false)
       return;  
   int currentTrough = shift;
   int lastTrough = GetIndicatorLastTrough2(shift);
//----   
   if(Stochastic[currentTrough] > Stochastic[lastTrough] && 
      Low[currentTrough] < Low[lastTrough])
     {
       StobullishDivergence[currentTrough] = Low[currentTrough];

       //----
       if(displayAlert == true)
          DisplayAlert2("Classical bullish divergence on: ", 
                        currentTrough);  
     }
//----   
   if(Stochastic[currentTrough] < Stochastic[lastTrough] && 
      Low[currentTrough] > Low[lastTrough])
     {
       StobullishDivergence[currentTrough] = Low[currentTrough];
      
       //----
       if(displayAlert == true)
           DisplayAlert2("Reverse bullish divergence on: ", 
                        currentTrough);   
     }      
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CatchBearishDivergence(int shift)
  {
   if(IsIndicatorPeak(shift) == false)
       return;
   int currentPeak = shift;
   int lastPeak = GetIndicatorLastPeak(shift);
//----   
   if(macd[currentPeak] < macd[lastPeak] && 
      High[currentPeak] > High[lastPeak])
     {
       bearishDivergence[currentPeak] = High[currentPeak] + 
                                        arrowsDisplacement;
      
       

       if(displayAlert == true)
           DisplayAlert("Classical bearish divergence on: ", 
                        currentPeak);  
     }
   if(macd[currentPeak] > macd[lastPeak] && 
      High[currentPeak] < High[lastPeak])
     {
       bearishDivergence[currentPeak] = High[currentPeak] + 
                                        arrowsDisplacement;
     
       //----
       if(displayAlert == true)
           DisplayAlert("Reverse bearish divergence on: ", 
                        currentPeak);   
     }   
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CatchBearishDivergence2(int shift)
  {
   if(IsIndicatorPeak2(shift) == false)
       return;
   int currentPeak = shift;
   int lastPeak = GetIndicatorLastPeak2(shift);
//----   
   if(Stochastic[currentPeak] < Stochastic[lastPeak] && 
      High[currentPeak] > High[lastPeak])
     {
       StobearishDivergence[currentPeak] = High[currentPeak];
      
      

       if(displayAlert == true)
           DisplayAlert2("Classical bearish divergence on: ", 
                        currentPeak);  
     }
   if(Stochastic[currentPeak] > Stochastic[lastPeak] && 
      High[currentPeak] < High[lastPeak])
     {
       StobearishDivergence[currentPeak] = High[currentPeak];
      
       //----
       if(displayAlert == true)
           DisplayAlert2("Reverse bearish divergence on: ", 
                        currentPeak);   
     }   
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool IsIndicatorPeak(int shift)
  {
   if(macd[shift] >= macd[shift+1] && macd[shift] > macd[shift+2] && 
      macd[shift] > macd[shift-1])
       return(true);
   else 
       return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool IsIndicatorPeak2(int shift)
  {
   if(Stochastic[shift] >= Stochastic[shift+1] && Stochastic[shift] > Stochastic[shift+2] && 
      Stochastic[shift] > Stochastic[shift-1])
       return(true);
   else 
       return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool IsIndicatorTrough(int shift)
  {
   if(macd[shift] <= macd[shift+1] && macd[shift] < macd[shift+2] && 
      macd[shift] < macd[shift-1])
       return(true);
   else 
       return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool IsIndicatorTrough2(int shift)
  {
   if(Stochastic[shift] <= Stochastic[shift+1] && Stochastic[shift] < Stochastic[shift+2] && 
      Stochastic[shift] < Stochastic[shift-1])
       return(true);
   else 
       return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int GetIndicatorLastPeak(int shift)
  {
   for(int i = shift + 5; i < Bars; i++)
     {
       if(signal[i] >= signal[i+1] && signal[i] >= signal[i+2] &&
          signal[i] >= signal[i-1] && signal[i] >= signal[i-2])
         {
           for(int j = i; j < Bars; j++)
             {
               if(macd[j] >= macd[j+1] && macd[j] > macd[j+2] &&
                  macd[j] >= macd[j-1] && macd[j] > macd[j-2])
                   return(j);
             }
         }
     }
   return(-1);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int GetIndicatorLastPeak2(int shift)
  {
   for(int i = shift + 5; i < Bars; i++)
     {
       if(Stosignal[i] >= Stosignal[i+1] && Stosignal[i] >= Stosignal[i+2] &&
          Stosignal[i] >= Stosignal[i-1] && Stosignal[i] >= Stosignal[i-2])
         {
           for(int j = i; j < Bars; j++)
             {
               if(Stochastic[j] >= Stochastic[j+1] && Stochastic[j] > Stochastic[j+2] &&
                  Stochastic[j] >= Stochastic[j-1] && Stochastic[j] > Stochastic[j-2])
                   return(j);
             }
         }
     }
   return(-1);
  }  
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int GetIndicatorLastTrough(int shift)
  {
    for(int i = shift + 5; i < Bars; i++)
      {
        if(signal[i] <= signal[i+1] && signal[i] <= signal[i+2] &&
           signal[i] <= signal[i-1] && signal[i] <= signal[i-2])
          {
            for (int j = i; j < Bars; j++)
              {
                if(macd[j] <= macd[j+1] && macd[j] < macd[j+2] &&
                   macd[j] <= macd[j-1] && macd[j] < macd[j-2])
                    return(j);
              }
          }
      }
    return(-1);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int GetIndicatorLastTrough2(int shift)
  {
    for(int i = shift + 5; i < Bars; i++)
      {
        if(Stosignal[i] <= Stosignal[i+1] && Stosignal[i] <= Stosignal[i+2] &&
           Stosignal[i] <= Stosignal[i-1] && Stosignal[i] <= Stosignal[i-2])
          {
            for (int j = i; j < Bars; j++)
              {
                if(Stochastic[j] <= Stochastic[j+1] && Stochastic[j] < Stochastic[j+2] &&
                   Stochastic[j] <= Stochastic[j-1] && Stochastic[j] < Stochastic[j-2])
                    return(j);
              }
          }
      }
    return(-1);
  }  
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DisplayAlert(string message, int shift)
  {
   if(shift <= 2 && Time[shift] != lastAlertTime)
     {
       lastAlertTime = Time[shift];
       Alert(message, Symbol(), " , ", Period(), " minutes chart");
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DisplayAlert2(string message, int shift)
  {
   if(shift <= 2 && Time[shift] != lastAlertTime)
     {
       lastAlertTime = Time[shift];
       Alert(message, Symbol(), " , ", Period(), " minutes chart");
     }
  }

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







Sample





Analysis



Market Information Used:

Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains open time of each bar


Indicator Curves created:

Implements a curve of type DRAW_ARROW
Implements a curve of type 12


Indicators Used:

MACD Histogram
Stochastic oscillator


Custom Indicators Used:

Order Management characteristics:

Other Features:

It issuies visual alerts to the screen