e of
              directional price movements. Developed by Thomas DeMark, it compares the current day's range to the
              average range over a given period. It quantifies whether the current price range represents a contraction
              or expansion compared to the average. The REI is most typically used on an 8 day timeframe. Extreme REI
              values often signal potential reversal points, as they reflect sharp directional moves that may not be
              sustainable.
           