Vanguard Mid-Cap Index Fund ETF Shares (VO)

Last Closing Price: 79.55 (2026-06-03)

Implied Volatility (Calls) (20-Day)

Implied Volatility (Calls): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money call options with the relevant expiration date.

Vanguard Mid-Cap Index Fund ETF Shares (VO) had 20-Day Implied Volatility (Calls) of 0.1894 for 2026-06-03.