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Substracting formula is right AND the Net formula is right,
just a bit shorter in parts.
Regards,
Ton Maas
Ms-IRB@xxxxxxxxx
-----Oorspronkelijk bericht-----
Van: Ted Reback <treback@xxxxxxxxxxxxxx>
Aan: metastock@xxxxxxxxxxxxx <metastock@xxxxxxxxxxxxx>
Datum: woensdag 15 juli 1998 15:50
Onderwerp: Re: Bollinger Band Width
>Brooke,
>
>Sorry, but your formula for the width is wrong. You have to subtract the lower
>band from the higher band, so the net (after elimination) width is
>
>4 * (std(c,20))
>
>didn't post this to the metastock list, so you might want to. Maybe you've been
>working too hard on your TAOTL presentations :)).
>
>Ted
>
>Brookemail@xxxxxxx wrote:
>
>> In a message dated 98-07-14 22:06:34 EDT, you write:
>>
>> << 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). >>
>>
>> Upper Band:
>>
>> Mov( C ,20 ,S ) + 2 * ( Std( C ,20 ) )
>>
>> Lower Band:
>>
>> Mov( C ,20 ,S ) - 2 * ( Std( C ,20 ) )
>>
>> Width:
>>
>> (Mov( C ,20 ,S ) + 2 * ( Std( C ,20 ) ))-(Mov( C ,20 ,S ) - 2 * ( Std( C ,20 )
>> ))
>>
>> Brooke
>
>
>
>
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