Cleon Heiken Ashi





//+------------------------------------------------------------------+
//|                                                  Heiken Ashi.mq4 |
//|                      Copyright c 2004, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Red
#property indicator_color2 Blue
#property indicator_color3 Red
#property indicator_color4 Blue

//---- buffers
   double
      ExtMapBuffer1[],
      ExtMapBuffer2[],
      ExtMapBuffer3[],
      ExtMapBuffer4[];
      
//---- vars
   int
      ExtCountedBars=0;

int init() {

   //---- indicators
   SetIndexStyle  (0, DRAW_HISTOGRAM, 0, 1, Red);
   SetIndexBuffer (0, ExtMapBuffer1);
   SetIndexLabel  (0, "HA Max / Min");
   SetIndexStyle  (1, DRAW_HISTOGRAM, 0, 1, Blue);
   SetIndexBuffer (1, ExtMapBuffer2);
   SetIndexLabel  (1, "HA Max / Min");
   SetIndexStyle  (2, DRAW_HISTOGRAM, 0, 3, Red);
   SetIndexBuffer (2, ExtMapBuffer3);
   SetIndexLabel  (2, "HA Open");
   SetIndexStyle  (3, DRAW_HISTOGRAM, 0, 3, Blue);
   SetIndexBuffer (3, ExtMapBuffer4);
   SetIndexLabel  (3, "HA Close");
   
   //----
   SetIndexDrawBegin(0, 10);
   SetIndexDrawBegin(1, 10);
   SetIndexDrawBegin(2, 10);
   SetIndexDrawBegin(3, 10);

   //---- indicator buffers mapping
   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexBuffer(2, ExtMapBuffer3);
   SetIndexBuffer(3, ExtMapBuffer4);
   
   IndicatorDigits(Digits);
   return(0);
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start() {
   
   double
      haOpen,
      haHigh,
      haLow,
      haClose;

   int
      pos = Bars - ExtCountedBars - 1;

   if( Bars <= 10 ) {
      return(0);
   }
   ExtCountedBars = IndicatorCounted();
   //---- check for possible errors
   if ( ExtCountedBars < 0 ) {
      return(-1);
   }
   //---- last counted bar will be recounted
   if ( ExtCountedBars > 0 ) {
      ExtCountedBars--;
   }

   while( pos >= 0 ) {
      haOpen   = (ExtMapBuffer3[pos + 1] + ExtMapBuffer4[pos + 1]) / 2;
      haClose  = (Open[pos] + High[pos]  + Low[pos] + Close[pos])  / 4;
      haHigh   = MathMax(High[pos], MathMax(haOpen, haClose));
      haLow    = MathMin(Low[pos],  MathMin(haOpen, haClose));
      if ( haOpen < haClose) {
         ExtMapBuffer1[pos] = haLow;
         ExtMapBuffer2[pos] = haHigh;
      } else {
         ExtMapBuffer1[pos] = haHigh;
         ExtMapBuffer2[pos] = haLow;
      }
      ExtMapBuffer3[pos] = haOpen;
      ExtMapBuffer4[pos] = haClose;
 	   pos--;
   }
   return(0);
}



Sample





Analysis



Market Information Used:

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


Indicator Curves created:



Indicators Used:



Custom Indicators Used:

Order Management characteristics:

Other Features: