BO_NRP.mq4

#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Yellow

extern int Length=8;

double BO[];
double Raw1[], Raw2[];

int init()
{
 IndicatorShortName("Blast Off");
 IndicatorDigits(Digits);
 SetIndexStyle(0,DRAW_LINE);
 SetIndexBuffer(0,BO);
 SetIndexStyle(1,DRAW_NONE);
 SetIndexBuffer(1,Raw1);
 SetIndexStyle(2,DRAW_NONE);
 SetIndexBuffer(2,Raw2);

 return(0);
}

int deinit()
{

 return(0);
}

int start()
{
 if(Bars<=Length) return(0);
 int ExtCountedBars=IndicatorCounted();
 if (ExtCountedBars<0) return(-1);
 int limit=Bars-2;
 if(ExtCountedBars>2) limit=Bars-ExtCountedBars-1;
 int pos;
 pos=limit;
 while(pos>=0)
 {
  Raw1[pos]=Close[pos+1]-Open[pos];
  Raw2[pos]=High[pos]-Low[pos];
  pos--;
 } 
 
 double MA1, MA2;
 pos=limit;
 while(pos>=0)
 {
  MA1=iMAOnArray(Raw1, 0, Length, 0, MODE_SMA, pos);
  MA2=iMAOnArray(Raw2, 0, Length, 0, MODE_SMA, pos);
  if (MA2!=0)
  {
   BO[pos]=100*MA1/MA2;
  }
  else
  {
   BO[pos]=0;
  }
  pos--;
 }  
 return(0);
}