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Attachments: Metatrader - How to have an index of 2 assets?
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Metatrader - How to have an index of 2 assets?

  • Post #1
  • Quote
  • First Post: May 6, 2010 1:28pm May 6, 2010 1:28pm
Hello everyone.

I saw on another forum a graph of Metatrader BUT it was a graph of a ratio between 2 assets... In this case it was the Dow Jones/GOLD

My question is, how can I or is there a way to plot in Metatrader these type of graphs?

Let's say I want Crude Oil in Euros. I would just put the CL contract divided by the EURUSD ...

Thanks in advance...
here's an example:

http://www.elitetrader.com/vb/attach...postid=2801073
  • Post #3
  • Quote
  • Last Post: May 8, 2010 12:28pm May 8, 2010 12:28pm
You've got it: ratio=priceA/priceB
Though sometimes you gotta invert priceB to 1/priceB, if instrumentB is in the form USDxxx. However, EURUSD is xxxUSD, so don't need to invert it.

Inserted Code
//antoine ff 2010
#property indicator_separate_window
#property indicator_buffers 1

extern string  instrumentA = "#CLM0",
               instrumentB = "EURUSD";
extern bool    invertA     = false,
               invertB     = false;
double ratio[], priceA, priceB;

void init() {
   SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0,ratio);
   string labelA="", labelB="";
   if (invertA) labelA="(1/"+instrumentA+")"; else labelA=instrumentA;
   if (invertB) labelB="(1/"+instrumentB+")"; else labelB=instrumentB;  
   IndicatorShortName("abRatio "+labelA+" / "+labelB+" ");
}

void start() {
   int limit = Bars-IndicatorCounted()-1;
   for(int i=limit;i>=0;i--) {
      priceA = iClose(instrumentA,0,i);
      priceB = iClose(instrumentB,0,i);
      if(invertA) if(priceA!=0) priceA=1/priceA;
      if(invertB) if(priceB!=0) priceB=1/priceB;
      if(priceB!=0)  ratio[i]=priceA/priceB;
   }
}
Attached File(s)
File Type: mq4 __abRatio.mq4   < 1 KB | 190 downloads
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