This indicator was first implemented in MQL4 and published in Code Base on 24.08.2007.
The indicator uses SmoothAlgorithms.mqh library classes (must be copied to the terminal_data_folder\MQL5\Include). The use of the classes was thoroughly described in the article "Averaging Price Series for Intermediate Calculations Without Using Additional Buffers".
Fig.1. CronexDeMarker indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/2351
Chaikin Oscillator with the averaging type selection option.VROC
The speed indicator of volume change. It shows how quickly the volume changes.