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Because you are asking the wrong question. Plot this and it will help you see why.
A1= HHVBars(C,50); // returns # bars
bs = HHV(C,50); // returns a value
A2=BarsSince(bs == C); // barssince C == high of C
printf("A1=" + NumToStr(A1, 1) + ", A2=" + NumToStr(A2, 1));
Plot(bs, "HHV", colorRed);
Plot(C, "c", colorBlue);
Plot(a1, "A1", colorGreen, styleOwnScale);
HHVBars is the number of bars since C was high.
HHV tells you the value of C when it was high.
The interesting thing is BarsSince C == HHV(C,50) is one less than the value HHVBars returns. It has to do with bar index but I would expect them to return the same value.
Barry
--- In amibroker@xxxxxxxxxxxxxxx, "steve_almond" <me@xxx> wrote:
>
> I was trying to calculate the number of bars since the HHV of price over the past 6 months (126 trading days).
>
> This seems to work:
> A1= HHVBars(C,126);
>
> This doesn't seem to work:
> A2=BarsSince(HHV(C,126));
> It always returns zero.
>
> Why doesn't the second expression work?
>
> Thanks,
>
> Steve
>
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