Range Expansion Index (REI)
The Range Expansion Index is an arithmetically calculated market-timing oscillator designed to overcome problems with exponentially calculated oscillators.
Overview
Developed by Tom DeMark, this is a more precise indicator of trends and trading signals than exponential oscillators, such as MACD.
- REI eliminates short term irregularities by comparing current prices with the prices two days previous
- REI works only in trending periods
- DeMark included conditions to eliminate premature signals
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