Posted by Mohammad Rahhal, Last modified by Rawan Al Hourani on 15 June 2016 02:11 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.
Returns the handles of a technical indicator, in case of failure returns an empty string.