"StandardDeviationChannels" (Financial Indicator)
Is a statistical indicator.
Is computed using the closing price.
Returns three time series consisting of 10-period linear regression trendlines and lines that are two standard deviations above and below the trendlines.
FinancialIndicator["StandardDeviationChannels",n,b] uses period-n trendlines and bands b standard deviations from the trendlines.