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Can I at least find the barnumber of the first bar when the date changes?
--- In amibroker@xxxxxxxxxxxxxxx, "kar_avi" <kar_avi@xxx> wrote:
>
> This is used to get the Open and Close of the first bar in a 5 min
> chart as given by TJ.
>
> DayChange = DateNum() != Ref( DateNum(), -1 );
>
> FirstBarOpenInDay = ValueWhen( DayChange, Open );
>
> FirstBarCloseInDay = ValueWhen( DayChange, Close );
>
>
> Now can I use the following to get the bar number of the first bar.
>
> ***********
>
> FirstBar = ValueWhen( DayChange, BarIndex() );
>
> LastBar = BarCount - 1;
>
> NoBars = lastvalue(BarCount - FirstBar);
>
> ***********
> Will this be problematic because of QuickAFL and Barindex().
>
> In my program, the LastBar value changes the *second* time it is
> refreshed *without adding any new bar*. E.G if LastBar was 12466 the
> first time, it becomes 10111 to even 197 the second time and retains
> this value.
>
> I want this as I want to draw the HHV(H,4) for all 4 consecutive bars
> starting from the FirstBar (first bar of the day onwards).
>
> Any help will be appreciated.
>
> Regards,
> Kar
>
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