The hybrid of digital and analog filters that displays its larger timeframe values at a smaller one.
The indicator is calculated the following way:
JFATL[bar] = JMA(FATL(PRICE[bar]))
Additional JMA smoothing is used to prevent the indicator actuating at each random market movement.
Place the JFatl indicator compiled file to the terminal_data_folder\MQL5\Indicators\. JFatl uses CJJMA class of the SmoothAlgorithms.mqh library. Working with that class was described in details in the article "Averaging Price Series for Intermediate Calculations Without Using Additional Buffers".
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/608
Symmetrical normalized oscillator.TrendValue
The trend indicator made as NRTR (Nick Rypock Trailing Reverse).