This indicator is made as a filling between two lines. The color of a filling shows a trend direction and the width of a channel between the lines shows the trend power.
This indicator was first implemented in MQL4 and published in CodeBase at mql4.com 17.10.2007.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/482
JFatlAcceleration measures the current trend acceleration.JFatlSpeed
The indicator shows trend change rate with a minimum lag.