Re: Bollinger Band Width

["Jim Greening" <JimGinVA@xxxxxxxxxxxxx>]

Brooke,
      Doesn't Width simplify to 4*(std(C,20))?

Jim
-----Original Message-----
From: Brookemail@xxxxxxx <Brookemail@xxxxxxx>
To: metastock@xxxxxxxxxxxxx <metastock@xxxxxxxxxxxxx>
Date: Tuesday, July 14, 1998 11:44 PM
Subject: Re: Bollinger Band Width


>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