Aroon Horn oscillator is based on Aroon indicator. The indicator displays a trend direction filtering minor fluctuations.

It features two adjustable parameters

  • Period - Aroon calculation period
  • Filter - filter size

Calculation:

AH = 10.0 * (Up-Dn) / Period

where:

Up = 100.0 * (Period-MaxBar+index) / Period
Dn = 100.0 * (Period-MinBar+index) / Period
MaxBar, MinBar - High and Low prices index in the Period range
index - current bar index

A bullish trend is displayed in green
A bearish trend is displayed in red
Sorted out values are displayed in gray