The MACD indicator is in the form of a colored cloud and the difference between the MACD and the signal line in the form of a color histogram.
Originally this indicator has been written in MQL4 and was first published in the Code Base at mql4.com on 31.10.2007.
Figure 1. The MACD-2 indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/2061
The indicator for measuring market volatility.WPR_3HTF
Three Larry Williams' Percent Range indicators from three different timeframes displayed on the same chart.