Standard Deviations
Posted by Mohammad Rahhal on 20 February 2012 05:26 PM
Standard Deviation is a common statistical calculation that measures volatility. Other technical indicators are often calculated using standard deviations.

Major highs and lows often accompany extreme volatility. High values of standard deviations indicate that the price or indicator is more volatile than usual.

str Source
int Periods
int Standard Deviations
int Moving Average Type

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