Vanguard Morningstar Mid-Cap ETF (VO)'s 30-day implied volatility (IV30) was 16.3% at the close on October 27, 2026, up from 13.9% the day before, against a 52-week range of 10.6% to 24.2%. Its 20-day historical volatility was 11.8%.
Data as of October 27, 2026.