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  |  SEP 1992

Traders' Tips by Technical Analysis, Inc.

Traders' Tips by Technical Analysis, Inc. METASTOCK PROFESSIONAL 3.0 Mass Index The June 1992 issue of S&C presented an indicator called the mass index developed by Donald Dorsey. The indicator is a 25 day moving sum of a ratio of two moving averages. The numerator of the ratio is the exponentially smoothed moving average of the daily ranges. The denominator of the ratio is the numerator smoothed a second time using the same exponential moving average. The exponential moving averages use a smoothing factor (alpha) equivalent to a nine-day simple moving average.

by Technical Analysis, Inc.

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