The indicator shows buy and sell signals. The simplest trading system for working with the indicator consists of using the moving averages crossing for the market entry and exit.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/538
The indicator marks possible trend reversals.Range Expansion Index
Range Expansion Index (REI) is an oscillator that measures price changing rate and signals about overbought/oversold areas, in case a price shows weakness or strength.