RVI





//+------------------------------------------------------------------+
//|                                          Relativ Vigor Index.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property  copyright "Copyright © 2005, MetaQuotes Software Corp."
#property  link      "http://www.metaquotes.net/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 2
#property  indicator_color1  Green
#property  indicator_color2  Red
//---- indicator parameters
extern int ExtRVIPeriod=10;
//---- indicator buffers
double     ExtRVIBuffer[];
double     ExtRVISignalBuffer[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicator buffers mapping
   SetIndexBuffer(0,ExtRVIBuffer);
   SetIndexBuffer(1,ExtRVISignalBuffer);
//---- indicator line
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
//---- drawing settings   
   SetIndexDrawBegin(0,ExtRVIPeriod+3);   
   SetIndexDrawBegin(1,ExtRVIPeriod+7);     
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("RVI("+ExtRVIPeriod+")");
   SetIndexLabel(0,"RVI");
   SetIndexLabel(1,"RVIS");
//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//| Relativ Vigor Index                                              |
//+------------------------------------------------------------------+
int start()
  {
   int i,j,nLimit,nCountedBars;
   double dValueUp,dValueDown,dNum,dDeNum;
//----
   if(Bars<=ExtRVIPeriod+8) return(0);
//----
   nCountedBars=IndicatorCounted();
//---- check for possible errors
   if(nCountedBars<0) return(-1);
//---- last counted bar will be recounted
   nLimit=Bars-ExtRVIPeriod-4;
   if(nCountedBars>ExtRVIPeriod+4)
      nLimit=Bars-nCountedBars;
//---- RVI counted in the 1-st buffer
   for(i=0; i<=nLimit; i++)
     {
      dNum=0.0; 
      dDeNum=0.0;
      for(j=i; j<i+ExtRVIPeriod; j++)
        {
         dValueUp=((Close[j]-Open[j])+2*(Close[j+1]-Open[j+1])+2*(Close[j+2]-Open[j+2])+(Close[j+3]-Open[j+3]))/6;
         dValueDown=((High[j]-Low[j])+2*(High[j+1]-Low[j+1])+2*(High[j+2]-Low[j+2])+(High[j+3]-Low[j+3]))/6;
         dNum+=dValueUp;
         dDeNum+=dValueDown;
        }
      if(dDeNum!=0.0)
         ExtRVIBuffer[i]=dNum/dDeNum;
      else
         ExtRVIBuffer[i]=dNum;   
     }
//---- signal line counted in the 2-nd buffer
   nLimit=Bars-ExtRVIPeriod-7;
   if(nCountedBars>ExtRVIPeriod+8)
      nLimit=Bars-nCountedBars+1;
   for(i=0; i<=nLimit; i++)
      ExtRVISignalBuffer[i]=(ExtRVIBuffer[i]+2*ExtRVIBuffer[i+1]+2*ExtRVIBuffer[i+2]+ExtRVIBuffer[i+3])/6;
//----
   return(0);
  }
//+------------------------------------------------------------------+   



Sample





Analysis



Market Information Used:

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


Indicator Curves created:


Implements a curve of type DRAW_LINE

Indicators Used:



Custom Indicators Used:

Order Management characteristics:

Other Features: