Put-Call Implied Volatility Ratio (120-Day)

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

Vanguard Mortgage-Backed Securities Index Fund ETF Shares (VMBS) had 120-Day Put-Call Implied Volatility Ratio of 1.0942 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0519
Historical Volatility (Parkinson)	0.0350
Implied Volatility (Calls)	0.1165
Implied Volatility (Puts)	0.1275
Implied Volatility (Mean)	0.1220
Put-Call Implied Volatility Ratio	1.0942
Implied Volatility Skew	0.0185
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	21.0000