Volatility indicator based on the article 10 Selling Tips by Thomas Bulkowski.
It has two configurable parameters:
Calculation:
VSO = Multiplier * Avg / Close
where:
Avg = SMA(High,Period) - SMA(Low,Period)
It can be used with the Volatility Stop indicator.

Fig. 1. Volatility Stop oscillator

Fig. 2. Volatility Stop oscillator + Volatility Stop
Tradotto dal russo da MetaQuotes Ltd.
Codice originale https://www.mql5.com/ru/code/22368