Put-Call Ratio (Open Interest) (60-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Vanguard Mortgage-Backed Securities Index Fund ETF Shares (VMBS) had 60-Day Put-Call Ratio (Open Interest) of 0.1638 for 2026-04-21.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.0548
Historical Volatility (Parkinson)	0.0366
Implied Volatility (Calls)	0.1269
Implied Volatility (Puts)	0.1251
Implied Volatility (Mean)	0.1260
Put-Call Implied Volatility Ratio	0.9859
Implied Volatility Skew	0.0588
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1638