The indicator uses SmoothAlgorithms.mqh library classes (must be copied to the terminal_data_folder\MQL5\Include). The use of the classes was thoroughly described in the article "Averaging Price Series for Intermediate Calculations Without Using Additional Buffers".
Fig.1. CronexMFI Indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/2352
The Exp_JBrainTrend1Stop EA is based on the signals of the NRTR indicator JBrainTrend1Stop.Exp_BlauHLM
This trading system uses BlauHLM oscillator.