//+------------------------------------------------------------------+
//|                                                Average Range.mq4 |
//|                 Copyright © 2023,  Aurel Ispas                   |
//|                                        http://www.metatrader.org |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2023"
#property link      "http://www.ok.ro"

#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Yellow
#property indicator_color2 SpringGreen
#property indicator_color3 Tomato
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];

double rng, sum_rng, avg_rng;

int init()  {
//---- indicators
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexBuffer(2,ExtMapBuffer3);
//----
return(0);}

int deinit()   {return(0);}

int start() {
   int    counted_bars=IndicatorCounted();
   rng=0; sum_rng=0; avg_rng=0;
   
   for(int i=0;i<Bars;i++) {
      rng=(iHigh(Symbol(),Period(),i)-iLow(Symbol(),Period(),i));
      sum_rng+=rng;
   }

   int db=iBars(Symbol(),Period());   
   avg_rng=sum_rng/db;   

//   for(int t=0;t<db;t++)   {
      for(int s=0;s<Bars;s++) {

      ExtMapBuffer2[s]=(iOpen(Symbol(),Period(),s)+(avg_rng/2));
      ExtMapBuffer3[s]=(iOpen(Symbol(),Period(),s)-(avg_rng/2));
   }//  }
   Comment("Last Tick: ",TimeToStr(CurTime(),TIME_DATE|TIME_SECONDS),"\n",
           "Sum of Period Ranges:",sum_rng,"\n",
           "Average Range:",avg_rng,"\n",
           "Total Bars:",i+1);




return(0);}
//+------------------------------------------------------------------+