Outputs a set of ranges where the input series is stable. For each point, the min and max are calculated over
the specified lookback window, including the current point. A point is considered stable if its value does
not deviate from the calculated min and the max by more than the threshold and the total number of points
within the window is at least the specified amount. The threshold can be either fixed values or percentages
of the value. The minimum points threshold defaults to 2.