"BollingerBands" (Financial Indicator)

Commonly abbreviated as BBands or BB.
Is a volatility indicator.
Is computed using the closing price.
Returns three time series consisting of a 20-period moving average of the closing price and bands that are two standard deviations above and below the moving average.
FinancialIndicator["BollingerBands",n,b] uses period n moving averages and bands b standard deviations from the moving average.
The first n1 values in the time series are computed using partial periods.


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See Also

"SimpleMovingAverage"  ▪  "StandardDeviation"  ▪  "StandardDeviationChannels"  ▪  "KeltnerChannels"