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Preston,
Thanks for the response. The formula presented is not exactly what I was hoping for - I actually want to be able to build an indicator that provides a straight line through the center of prices (H+L+C/3) and then adding an upper and lower straight line 2 standard deviations apart. I will make the timeframe variable (1 month, 3 months, 6 months) once I uild the indicator. Ultimate plans would be to be able to scan with an exploration for certain characteristics.
Rick
--- In equismetastock@xxxxxxxxxxxxxxx, pumrysh <no_reply@xxx> wrote:
>
> Rick,
>
> Bollinger Bands use the stdev() function to calculate the upper and
> lower bands. The middle band is a 20-period simple moving average. Here's the formula.
>
> Periods:=input("Enter the number of periods: ",5,50,20);
> A:= Close
> X:= mov(A,Periods,S);
> X + ( 2 * stdev( A, Periods ));
> X - ( 2 * stdev( A, Periods ))
>
>
> Modifying this formula may be what you need. The question is the straight linear regression line going through closing prices. You didn't mention how many closing prices.
>
>
> Preston
>
>
>
> --- In equismetastock@xxxxxxxxxxxxxxx, "rickbw" <rickbw@> wrote:
> >
> > I was hoping to find a formula that would be able to help me build an indicator which would draw a straight linear regression line through closing prices and then placing an upper and lower parallel line 2 standard deviations away from the linear regression line. I'd like to build the indicator and parallel lines so that I could use them in explorer. Can anyone tell me what function I would use? I can find a way to use linear regression for bands, but not straight lines. Any help or pointing in the right direction would be appreciated.
> >
>
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