The indicator displays the pivot level, support and resistance levels.
Originally this indicator has been written in MQL4 and was first published in the Code Base at mql4.com on 24.09.2007.
Figure 1. The HL indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/2213
A semaphore signal indicator with a prediction.NxBreakout
The indicator draws support and resistance lines, which are defined by the maximum and minimum for the last N bars.