Vanguard Mid-Cap Index Fund ETF Shares (VO)

Last Closing Price: 80.24 (2026-07-17)

Implied Volatility (Calls) (150-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 150-Day Implied Volatility (Calls) of 0.1682 for 2026-07-17.