Vanguard Mid-Cap Index Fund ETF Shares (VO)

Last Closing Price: 307.08 (2026-04-17)

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 0.0510 for 2026-04-17.