Vanguard S&P Mid-Cap 400 Index Fund ETF Shares (IVOO)

Last Closing Price: 122.43 (2026-10-16)

Implied Volatility (Calls) (90-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 S&P Mid-Cap 400 Index Fund ETF Shares (IVOO) had 90-Day Implied Volatility (Calls) of 0.1553 for 2026-10-16.