TradingChart[{"MSFT",{{2009,1,1},{2009,3,31}}},{"RelativeVolatilityIndex"}]

({{DocumentationFooterIconsRelatedFunction.png, ({{See Also}, {Related Indicator Types:  (RefLink[RelativeMomentumIndex, paclet:ref/indicator/RelativeMomentumIndex])  ▪  (RefLink[RelativeStrengthIndex, paclet:ref/indicator/RelativeStrengthIndex])  ▪  (RefLink[VolatilitySystem, paclet:ref/indicator/VolatilitySystem])  ▪  (RefLink[ChaikinVolatility, paclet:ref/indicator/ChaikinVolatility])}})}})