Disparity_Oscillator

ÿþ//+--------------------------------------------------------------+

//|                                     Disparity Oscillator.mq4 |

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

#property description "Code by Max Michael 2020"

#property indicator_separate_window

#property indicator_buffers 1

#property indicator_color1 Aqua

#property version     "1.00"

#property strict



extern int    period = 10;

extern int   MaxBars = 1000;



double       pipvalue;

double       buffer1[];



int init()

{

   SetIndexBuffer(0, buffer1);  SetIndexStyle(0, DRAW_LINE);

   if (period<4) period=4;

   string sShortName="Disparity Oscillator ("+ period +")";

   IndicatorShortName(sShortName);

   SetIndexLabel(0, sShortName);

   pipvalue = Point*MathPow(10,Digits%2);

   if (Digits<=2) pipvalue=0.1; //=GOLD & Indices

   return(0);

}



int start()

{

   int counted = IndicatorCounted();

   if (counted < 0) return(-1);

   int limit = Bars-counted-1;

   if (limit > MaxBars) limit=MaxBars;

   

   int i=limit;

   while(i>=0)

   {

      int n=period * 1.5; //round to integer

      double sum = (Close[i]-Close[i+n]) / Close[i+n]; n--;

      for(int x=period-1; x>0; x--) { sum += (Close[i+x]-Close[i+n])/Close[i+n]; n--; }

      buffer1[i] = sum / period / pipvalue;

      i--;

   }

   

   return(0);

}