Range-Expansion-Index | Forex indicator download - MT4/MT5 resources

Range-Expansion-Index Range-Expansion-Index is the MetaTrader version of the oscillator developed by Tom DeMark. > Range Expansion Index is a MetaTrader version of the oscillator indicator developed by Tom DeMark. ### Project Information - Programming Language: MQL5 - Star: 3 - Fork: 3 - License: Apache License 2.0 - Update Time: 2025-08-08T21:26:47Z ### Detailed Introduction# Range Expansion Index The Range Expansion Index (REI) is a custom oscillator coded by EarnForex.com. This indicator was developed by Tom DeMark and first presented in his book The New Science of Technical Analysis. REI sends a signal when the indicator crosses the 60 or -60 levels. The implementation of the range expansion index concept includes all alert types supported by the MetaTrader platform. More information about this custom MetaTrader indicator can be found here: Any contributions to the code are welcome! ### File download - RangeExpansionIndex.mq4 - RangeExpansionIndex.mq5 ### Source codeView GitHub repository