JFatlAcceleration measures the current trend acceleration. The indicator is calculated the following way:
ColorJFatlAcceleration uses SmoothAlgorithms.mqh library classes. The use of the classes was thoroughly described 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/504