Vanguard Mid-Cap Index Fund ETF Shares (VO)

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

Implied Volatility Skew (90-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

Vanguard Mid-Cap Index Fund ETF Shares (VO) had 90-Day Implied Volatility Skew of 0.0608 for 2026-07-17.