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Hooka

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Hooka

Re: None

Wednesday, 09/02/2015 9:00:29 AM

Wednesday, September 02, 2015 9:00:29 AM

Post# of 8163
Bollinger Bands consist of a middle band with two outer bands. The middle band is a simple moving average that is usually set at 20 periods. A simple moving average is used because the standard deviation formula also uses a simple moving average. The look-back period for the standard deviation is the same as for the simple moving average. The outer bands are usually set 2 standard deviations above and below the middle band.

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