Put-Call Implied Volatility Ratio (60-Day)

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

Vanguard S&P Mid-Cap 400 Value Index Fund ETF Shares (IVOV) had 60-Day Put-Call Implied Volatility Ratio of 0.8538 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1731
Historical Volatility (Parkinson)	0.1336
Implied Volatility (Calls)	0.2068
Implied Volatility (Puts)	0.1766
Implied Volatility (Mean)	0.1917
Put-Call Implied Volatility Ratio	0.8538
Implied Volatility Skew	0.0890
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.0000