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It depends upon whether you are using time or tick-based bars and
if you are using time-based bars, it depends on the timeframe.
1-tick bars or 1min bars will guarantee that nothing is used in
the calculations prior to 930. Anything larger in either category
will result in prices previous to the open being used in the calcs.
For larger time-based bars you can change the beginning time of
the calcs to 930 + barinterval.
dbs
"John F. Berentson" wrote:
> I use Michael Mermer's Opening Range Indicator, which plots the high and low
> of the first hour. However, it appears to include in its calculation any
> pre-opening bars. I would like to limit the calculation to 0930 - 1030. It
> uses the following code:
>
> if time>=St_Time and time<= End_Time then
> begin
> Hi = MaxList(Hi,high);
> Lo = MinList(Lo,low);
> end;
>
> St_Time=0930
> End_Time=1030
>
> Am I correct that this does not restrict the high and low to that between
> St_Time and End_Time if there is earlier data in the same day and that this
> part of the code must be changed?
>
> JFB
> Shaven Heads Trading
> NYC
>
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