# Yang-Zhang Volatility Yang-Zhang volatility: combines the gap between bars, the open-to-close move and the Rogers-Satchell estimate, annualised in percent. ## How to read it - Higher values mean larger price swings; lower values a calmer market. - Rising volatility from low levels often comes with breakouts. - Accounts for gaps between bars as well as moves within them. ## Key settings - Window 20 bars. - Annualise on (365-day year); off = per bar, in percent. ## Good to know - Drawn in its own pane below the chart.