Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Vanguard Extended Duration Treasury Index Fund ETF Shares (EDV) had 20-Day Put-Call Ratio (Volume) of 0.2830 for 2026-10-20.

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Figures for 2026-10-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1620
Historical Volatility (Parkinson)	0.1451
Implied Volatility (Calls)	0.1546
Implied Volatility (Puts)	0.1627
Implied Volatility (Mean)	0.1586
Put-Call Implied Volatility Ratio	1.0526
Implied Volatility Skew	0.0031
Option Statistics
Put-Call Ratio (Volume)	0.2830
Put-Call Ratio (Open Interest)	0.3452