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Strategies & Market Trends : Technical Analysis- Indicators & Systems
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To: TechTrader42 who wrote (1248)6/1/1997 9:12:00 AM
From: Chandler H. Everett   of 3325
 
Brookelise.......the formula for the Width of a Bollinger Band is:

4*STD(C,21) ......or whatever parameters you use

I've been playing with formulas all morning that show narrowing and widening of BBands, and can't find one that seems to have any real predictive quality. The most intriguing one I tried was a formula where I substituted the "Width" formula for RSI(13) in Dave's StochRSI formula. It looked promising, but tests were inconclusive.

BW Chan
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