Range action verification index (RAVI)
Range action verification index (RAVI) indicator serves as a histogram of strength and direction of the trend. It is colored according to the values of input parameters for breakout levels 10% and 30% from zeroline in both directions. By default RAVI is calculated based on different types of moving averages with long period, which is a quarter (65 days) and short average a 10% of the long one. The unique thing about RAVI which divers from the rest of Oscillators is a convergence-divergence rate to track a trend pointer.