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Try this link: http://www.equis.com/Support/Formulae.aspx?Id=23
Notice the "Filter" line. It says OR where you have AND, could this
be the problem?
JS
--- In amibroker@xxxxxxxxxxxxxxx, "palsanand" <palsanand@xxxx> wrote:
> Hi all,
>
> I have the following code for HVR NR4/IB in AB 4.0:
>
> /* Connors and Raschke Historical Volatility System
> For further explanation, refer to "Street Smarts"
> from Connors and Raschke.
> Ported from Metastock code by Daniel Ervi */
>
> NumColumns = 5;
>
> VolRatio = StDev(log(C/Ref(C,-1)),5) / StDev(log(C/Ref(C,-1)),99);
> Column0 = VolRatio;
> Column0Name = "VolRatio";
>
> NR4Day = (H - L) < Ref(LLV(H-L,3),-1);
> Column1 = NR4Day;
> Column1Name = "Nr4Day";
>
> InsideDay = H < Ref(High,-1) AND Low > Ref(Low,-1);
> Column2 = InsideDay;
> Column2Name = "Inside Day";
>
> Column3 = High + 0.125;
> Column3Name = "Buy Stop";
>
> Column4 = Low - 0.125;
> Column4Name = "Sell Stop";
>
> Filter = VolRatio < 0.5 AND (NR4Day == 1 AND InsideDay == 1);
>
> Buy = Filter;
>
> But, it doesn't work. the graph is empty and there are no values
> displayed in the Interpretation section. What am I doing wrong?
> Please help.
>
> Thanks,
> Pal Anand
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