RandomWalkIndex

Sometimes abbreviated as RWI.
Is a statistical indicator.
Is computed using the high, low, and close prices.
Returns two time series: measurements of randomness of lows over 5 periods and highs over 40 periods.
FinancialIndicator["RandomWalkIndex",n1,n2] uses periods for the lows and for the highs.
The first values in the respective series occur after and periods.