Gopalakrishnan Range Index (GAPO)

Gopalakrishnan Range Index, developed by Jayanthi Gopalakrishnan, attempts to determine the variability of price data based on the log of the price range over a user defined n-periods.

Configuration Options

  • Period: Number of bars to use in the calculations.
  • Color Selectors: Colors to use for graph elements.
  • Display Axis Label: Whether to display the most recent value on the Y axis.


\[GRI = \frac{log(HighestHigh_{n-periods} - LowestLow_{n-periods})}{log(n-periods)}\]