BB is just X standard deviations around a moving average.  So, I suppose one 
way to go is to use an adaptive moving average (e.g., Kaufman's) to get an 
adaptive BB.

Bill

----- Original Message ----- 
From: "amsiev" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, April 11, 2008 5:35 AM
Subject: [amibroker] Bollinger Band with variable period in AFL


> AFL has BBandTop with following syntax : 
> BBandTop( ARRAY, periods = 15, width = 2 ) 
> 
> <Periods> must be numerical. As I want to get a dynamic BB I need an 
> array in periods. Any suggestions how to get this done ?
> 
> Regards, Ton.
> 
> 
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