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[amibroker] Re: Strange response of -1.#J in explorer column - what is that ?



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try SP = Foreign("^GSPC","C"); and remove RestorePriceArrays();
that works.

-- In amibroker@xxxxxxxxxxxxxxx, "gmorlosky" <gmorlosky@xxx> wrote:
>
> Turns out to be the divide by zero error.
> So what is the proper way to write this code ?
> ROCSP = ROC(MA(SetForeign("^GSPC"),13));
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "gmorlosky" <gmorlosky@> wrote:
> >
> > I ran this calculation to get the percentage change between the 
> symbol and a base index of the SP500, but I get this strange -1.#J 
> value in explorer.
> > 
> > ROCSP = ROC(MA(SetForeign("^GSPC"),13));
> > RestorePriceArrays();
> > MyRSC = ROC(MA(C,13)) / ROCSP;
> > AddColumn(MyRSC,"MyRSC",2.2,IIf(MyRSC >= 
> > 0 ,colorGreen,colorRed),colorDefault,50);
> >
>



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