The idea by Matt Trigwell, the implementation of the histogram by DmMikl86
The indicator is based on GMMA_long. The idea was to convert it into a histogram for easy perception. This is a trend-following indicator.
It was first implemented in MQL4 and published in Code Base at mql4.com 11.10.2010.
Fig.1 The GMMA_Long_Gistogram Indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/1058
Twenty lines of the Spearman's Rank Correlation indicator in one windowColorXATR
Smoothed ATR that uses color to show whether the trend strengthens or weakens.