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Standard Deviation (SMD)

Standard deviation (SMD) is statistical measure of volatility.

Standard deviation is calculated by formula:

Formula for Standard Deviation

Standard deviation is calculated for closing prices. For average value is used simple moving average (SMA). Default value for parameter n is 21.

Standard Deviation (SMD)
Standard Deviation (SMD)


Interpretation

Standard deviation is not indicator which is used for creating buying and selling signals. It is used for calculation of another indicator in technical analysis: bollinger bands.


Example

Open chart for google with standard deviation indicator.


< RSI
Standard variance >