Bollinger Bands Introduction. Bollinger Bands is a simple but useful indicator providing valuable information on historical price volatility of a financial instrument, as well as current price deviation from a moving average. When price moves become more volatile – the bands widen, in the periods of relative calm – they come closer together. Calculate Bollinger Bands using Excel The first stage in calculating Bollinger Bands is to take a simple moving average. In Excel, we use the formula =AVERAGE().
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Ähnlich wie graph von labview interfacing demo: Bollinger Bands indicator could be calculated using either simple moving average or exponential moving average as the basis.
The middle band is a simple moving average that is usually set at 20 periods.