FX5_Divergence_V2.0





//+------------------------------------------------------------------+
//|                                          FX5_Divergence_V2.0.mq4 |
//|                                                              FX5 |
//|                                                    hazem@uk2.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, FX5"
#property link      "hazem@uk2.net"
//----
#property indicator_separate_window
#property indicator_buffers 5
#property indicator_color1 LimeGreen
#property indicator_color2 FireBrick
#property indicator_color3 Green
#property indicator_color4 Red
//---- input parameters
extern string separator1 = "*** OSMA Settings ***";
extern int    fastEMA = 12;
extern int    slowEMA = 26;
extern int    signal = 9;
extern string separator2 = "*** Indicator Settings ***";
extern double positiveSensitivity = 0.0001;
extern double negativeSensitivity = -0.0001;
extern double historyBarsCount = 0;
extern bool   drawDivergenceLines = true;
extern bool   displayAlert = true;
//---- buffers
double upOsMA[];
double downOsMA[];
double bullishDivergence[];
double bearishDivergence[];
double OsMA[];
//----
static datetime lastAlertTime;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_HISTOGRAM, STYLE_SOLID, 2);
   SetIndexStyle(1, DRAW_HISTOGRAM, STYLE_SOLID, 2);
   SetIndexStyle(2, DRAW_ARROW);
   SetIndexStyle(3, DRAW_ARROW);
   SetIndexStyle(4, DRAW_NONE);
//----   
   SetIndexBuffer(0, upOsMA);
   SetIndexBuffer(1, downOsMA);
   SetIndexBuffer(2, bullishDivergence);
   SetIndexBuffer(3, bearishDivergence);
   SetIndexBuffer(4, OsMA);
//----   
   SetIndexArrow(2, 233);
   SetIndexArrow(3, 234);
//----
   IndicatorDigits(Digits + 2);
   IndicatorShortName("FX5_Divergence_v2.0(" + fastEMA + "," + 
                      slowEMA + "," + signal + ")");
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
   for(int i = ObjectsTotal() - 1; i >= 0; i--)
     {
       string label = ObjectName(i);
       if(StringSubstr(label, 0, 14) != "DivergenceLine")
           continue;
       ObjectDelete(label);   
     }
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int countedBars = IndicatorCounted();
   if (countedBars < 0)
       countedBars = 0;
   CalculateIndicator(countedBars);
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CalculateIndicator(int countedBars)
  {
   for(int i = Bars - countedBars; i >= 0; i--)
     {
      CalculateOsMA(i);
      CatchBullishDivergence(i + 2);
      CatchBearishDivergence(i + 2);
     }              
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CalculateOsMA(int i)
  {
   OsMA[i] = iOsMA(NULL, 0, fastEMA, slowEMA, signal, PRICE_CLOSE, i);
   if(OsMA[i] > 0)
     {
      upOsMA[i] = OsMA[i];
      downOsMA[i] = 0;
     }
   else 
       if(OsMA[i] < 0)
         {
           downOsMA[i] = OsMA[i];
           upOsMA[i] = 0;   
         }
   else
     {
       upOsMA[i] = 0;
       downOsMA[i] = 0;   
     }         
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CatchBullishDivergence(int shift)
  {
   if(IsIndicatorTrough(shift) == false)
       return; 
   int currentTrough = shift;
   int lastTrough = GetIndicatorLastTrough(shift);
//----
   if(OsMA[currentTrough] > OsMA[lastTrough] && 
      Low[currentTrough] < Low[lastTrough])
     {
       bullishDivergence[currentTrough] = OsMA[currentTrough];
      
       if(drawDivergenceLines == true)
         {
           DrawPriceTrendLine(Time[currentTrough], Time[lastTrough], 
                              Low[currentTrough], 
                              Low[lastTrough], Green, STYLE_SOLID);
           DrawIndicatorTrendLine(Time[currentTrough], Time[lastTrough], 
                                  OsMA[currentTrough],
                                  OsMA[lastTrough], Green, STYLE_SOLID);
         }
       if(displayAlert == true)
           DisplayAlert("Classical bullish divergence on: ", currentTrough);  
     }
//----
   if(OsMA[currentTrough] < OsMA[lastTrough] && 
      Low[currentTrough] > Low[lastTrough])
     {
       bullishDivergence[currentTrough] = OsMA[currentTrough];
       //----
       if(drawDivergenceLines == true)
         {
           DrawPriceTrendLine(Time[currentTrough], Time[lastTrough], 
                              Low[currentTrough], 
                              Low[lastTrough], Green, STYLE_DOT);
           DrawIndicatorTrendLine(Time[currentTrough], Time[lastTrough], 
                                  OsMA[currentTrough],
                                  OsMA[lastTrough], Green, STYLE_DOT);
         }
       if(displayAlert == true)
           DisplayAlert("Reverse bullish divergence on: ", currentTrough);   
     }      
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CatchBearishDivergence(int shift)
  {
   if(IsIndicatorPeak(shift) == false)
       return;
   int currentPeak = shift;
   int lastPeak = GetIndicatorLastPeak(shift);   
//----
   if(OsMA[currentPeak] < OsMA[lastPeak] && 
      High[currentPeak] > High[lastPeak])
     {
       bearishDivergence[currentPeak] = OsMA[currentPeak];
       //----
       if(drawDivergenceLines == true)
         {
           DrawPriceTrendLine(Time[currentPeak], Time[lastPeak], 
                              High[currentPeak], 
                              High[lastPeak], Red, STYLE_SOLID);
           DrawIndicatorTrendLine(Time[currentPeak], Time[lastPeak], 
                                  OsMA[currentPeak],
                                  OsMA[lastPeak], Red, STYLE_SOLID);
         }
       if(displayAlert == true)
           DisplayAlert("Classical bearish divergence on: ", 
                        currentPeak);  
     }
//----
   if(OsMA[currentPeak] > OsMA[lastPeak] && 
       High[currentPeak] < High[lastPeak])
     {
       bearishDivergence[currentPeak] = OsMA[currentPeak];
      
       if(drawDivergenceLines == true)
         {
           DrawPriceTrendLine(Time[currentPeak], Time[lastPeak], 
                              High[currentPeak], 
                              High[lastPeak], Red, STYLE_DOT);
           DrawIndicatorTrendLine(Time[currentPeak], Time[lastPeak], 
                                  OsMA[currentPeak],
                                  OsMA[lastPeak], Red, STYLE_DOT);
         }
       if(displayAlert == true)
           DisplayAlert("Reverse bearish divergence on: ", currentPeak);   
     }   
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool IsIndicatorPeak(int shift)
  {
   if(OsMA[shift] > 0 + positiveSensitivity && 
      OsMA[shift] > OsMA[shift+1] && OsMA[shift] > OsMA[shift-1])
     {
       for(int i = shift + 1; i < Bars; i++)
         {
           if(OsMA[i] < 0)
               return(true);
           if(OsMA[i] > OsMA[shift])
               break;            
         }
     }   
   return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
bool IsIndicatorTrough(int shift)
  {
   if(OsMA[shift] < 0 + negativeSensitivity && 
      OsMA[shift] < OsMA[shift+1] && OsMA[shift] < OsMA[shift-1])
     {
       for(int i = shift + 1; i < Bars; i++)
         {
           if(OsMA[i] > 0)
               return(true);
           if(OsMA[i] < OsMA[shift])
               break;            
         }
     }   
   return(false);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int GetIndicatorLastPeak(int shift)
  {
   bool redZone = false;
   
   for(int i = shift; i < Bars; i++)
     {
       if(OsMA[i] > 0 && redZone == false)
          continue;
       if(OsMA[i] < 0)
         {
           redZone = true;
           continue;
         }
       if(OsMA[i] < positiveSensitivity)
           continue;
       if(OsMA[i] > OsMA[i+1] && OsMA[i] > OsMA[i-1])
           return(i);
     }
   return(-1);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int GetIndicatorLastTrough(int shift)
{
   bool greenZone = false;
   
   for (int i = shift; i < Bars; i++)
   {
      if (OsMA[i] < 0 && greenZone == false)
         continue;
      if (OsMA[i] > 0)
      {
         greenZone = true;
         continue;
      }
      if (OsMA[i] > negativeSensitivity)
         continue;      
      if (OsMA[i] < OsMA[i+1] && OsMA[i] < OsMA[i-1])
         return(i);
   }
   return(-1);
}
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DisplayAlert(string message, int shift)
  {
   if(shift <= 2 && Time[shift] != lastAlertTime)
     {
       lastAlertTime = Time[shift];
       Alert(message, Symbol(), " , ", Period(), " minutes chart");
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DrawPriceTrendLine(datetime x1, datetime x2, double y1, 
                        double y2, color lineColor, double style)
  {
   string label = "DivergenceLine2.0# " + DoubleToStr(x1, 0);
   ObjectDelete(label);
   ObjectCreate(label, OBJ_TREND, 0, x1, y1, x2, y2, 0, 0);
   ObjectSet(label, OBJPROP_RAY, 0);
   ObjectSet(label, OBJPROP_COLOR, lineColor);
   ObjectSet(label, OBJPROP_STYLE, style);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DrawIndicatorTrendLine(datetime x1, datetime x2, double y1, 
                            double y2, color lineColor, double style)
  {
   int indicatorWindow = WindowFind("FX5_Divergence_v2.0(" + 
                                    fastEMA + "," + slowEMA + "," + 
                                    signal + ")");
//----
   if(indicatorWindow < 0)
       return;   
   string label = "DivergenceLine2.0$# " + DoubleToStr(x1, 0);
   ObjectDelete(label);
   ObjectCreate(label, OBJ_TREND, indicatorWindow, x1, y1, x2, y2, 0, 0);
   ObjectSet(label, OBJPROP_RAY, 0);
   ObjectSet(label, OBJPROP_COLOR, lineColor);
   ObjectSet(label, OBJPROP_STYLE, style);
  }
//+------------------------------------------------------------------+






Sample





Analysis



Market Information Used:

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


Indicator Curves created:

Implements a curve of type DRAW_HISTOGRAM
Implements a curve of type DRAW_ARROW
Implements a curve of type DRAW_NONE


Indicators Used:

Moving Average of Oscillator


Custom Indicators Used:

Order Management characteristics:

Other Features:

It issuies visual alerts to the screen