Source: https://fxcodebase.com/code/viewtopic.php?f=17&t=33104
Forum: 17 · Topic 33104 · 4 post(s)
Apprentice · Mon Mar 11, 2013 4:58 am

Historical volatility is defined by Sheldon Natenberg, as the standard deviation of the logarithmic price changes measured at regular intervals of time.
The indicator was revised and updated
Apprentice · Sat Jul 12, 2014 3:10 am
Updated.
Alexander.Gettinger · Mon Sep 15, 2014 12:27 pm
MQL4 version of Natenberg’s Volatility oscillator: viewtopic.php?f=38&t=61154.
Apprentice · Sat Jun 24, 2017 4:57 am
The indicator was revised and updated.