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The upper BB and the lower BB are programmed into MS (at least in 6.0). Take
this simple course ;-)
Start MetaStock
Start the Indicator Builder
Choose New
Select a name you like and then goto the Formula textbox
Select Functions and function categorie Indicators (or choose all)
To use more meaningfull desciptions check Show English Names
Select the band you want. If you don't understand the parameters you have to
fill in press F1 (Help)
and at the index tab type bollinger and choose the subject you're interested
in. The Help function is maybe the best developed part of MetaStock, it's
one of the best I've seen so far (aside from the Office Assistant, which is
still unmatched IMHO).
To calculate the difference simple use the - (minus) sign ;-)
If you like information on a indicator: plot the indicator and right-click
the indicator and choose Help.
Sorry if this course is too simple, but I wanted to stress out (?) the
usefullness of the help function to learn new things about MetaStock.
Regards,
Jan Diederik
To Al,
Maybe you could put the following formula in an Exploration and set the
filter to colA = 1
ColA: If( HHV(H,34) > Ref( HHV(H,55), -34) AND LLV(L,34) >=
Ref( LLV(L,55), -34), 1 {UP}, If( LLV(L,34) < Ref( LLV(L,55), -34) AND
HHV(H,34) <= Ref( HHV(H,55), -34), -1 {DOWN}, 0 {NEUTRAL}))
This can help narrowing down the stocks to look at. If you have any
questions, you know the way to get it.
I use the above formula as the determinator of the medium trend in my (own)
Expert Advisor.
> -----Original Message-----
> From: owner-metastock@xxxxxxxxxxxxx
> [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of Lionel Issen
> Sent: Wednesday, July 15, 1998 5:30 PM
> To: metastock@xxxxxxxxxxxxx
> Subject: Re: Bollinger Band Width
>
>
> Steve:
>
> There was one published in TASC and at the Equis web site. As I recall it
> went something like this:
> A formula for the upper BB
> A formula for the lower BB
> subtract the lower from the upper.
>
> If you cant find it, let me know and I'll try to dig it up. I think that
> the graph is very similar to an macd except that all the values are above
> the zero line.
>
> Lionel
> -----Original Message-----
> From: Steve Karnish <kernish@xxxxxxxxxxxx>
> To: MetaStock-List <metastock@xxxxxxxxxxxxx>
> Date: Tuesday, July 14, 1998 10:10 PM
> Subject: Bollinger Band Width
>
>
> >I'm horrible at programming language for formulas. Can anyone
> >help me with a simple formula to track the daily width of a 20
> >period Bollinger Band
> >(a simple line defining the "spread" between the top and bottom
> >band would be great). I'm trying to track the net difference of
> >the bands as they narrow and widen. Recently, with help from
> >the forum, I was able to formulate Bollinger Bands into a
> >Histogram. Suddenly, the bands started to make a lot more
> >sense. This new "look" compliments work that I do with
> >regression oscillators, RSI, % of R, and candlesticks. New
> >tools are great, especially when they point to profits.
> >
> >Thanks to any and all that can help,
> >Steve Karnish
> >CCT
> >
> >
>
>
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