Variable List Abbreviation: StndDev
Variable Mode(s): Standard, Stock, Futures1, and Futures2
[ Note: uses selected close variable in Stock, Futures1, and Futures2 modes ]
Parameter(s): StndDev time periods
Description:
Measure of volatility over last n (time periods) time periods
Calculation:
Sum over n time periods of [(value - n time period average)^2] / n
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