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Mass Index

What is the definition of Mass Index?

Invented by Donald Dorsey, the Mass Index indicator is used to identify trend turns. The Mass Index attempts to predict reversals by comparing the trading range (High minus Low) for each period. Reversals are signalled by a bulge in the index line. This formula uses intraday range values: not the "true range," which adjusts for full and partial gaps.

Stockopedia explains Mass Index...

According to Dorsey, a so-called "reversal bulge" is a probable signal of trend reversal (regardless of the trend's direction). Such a bulge takes place when a 25-day mass index reaches 27.0 and then falls to below 26 (or 26.5).

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