Mass Index

The Mass Index is a moving sum of a 9 period Exponential Moving Average of the trading range (high minus low) divided by the double smoothed moving average of the range. The Mass Index is intended to identify trend reversals. Higher Mass Index values are created by widening trading ranges, which indicate a trend reversal.

The MASS Index was developed by Donald Dorsey and was presented in his article in the June, 1992 issue of Technical Analysis of Stocks & Commodities magazine.

Formula:




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