Vanguard Mega Cap Index Fund ETF Shares (MGC)

Last Closing Price: 271.70 (2026-07-20)

Put-Call Implied Volatility Ratio (180-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Vanguard Mega Cap Index Fund ETF Shares (MGC) had 180-Day Put-Call Implied Volatility Ratio of 1.0051 for 2026-07-20.