The volatility index oscillator (VIX).
It has two parameters:
- Period – calculation period (default 22)
- Drawing style:
- Line – a colored line
- Histogram – a colored histogram
The original calculation formula:
WVF = [Highest (Close,22) – Low) / (Highest(Close,22)] * 100
Fig.1. VIX displayed as a line
Fig.2. VIX displayed as a histogram