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

Last Closing Price: 127.67 (2026-06-04)

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 S&P Mid-Cap 400 Index Fund ETF Shares (IVOO) had 20-Day Implied Volatility (Calls) of 0.2228 for 2026-06-05.