Put-Call Implied Volatility Ratio (30-Day)

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

Vanguard Total World Stock Index Fund ETF Shares (VT) had 30-Day Put-Call Implied Volatility Ratio of 0.7511 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2008
Historical Volatility (Parkinson)	0.1236
Implied Volatility (Calls)	0.1982
Implied Volatility (Puts)	0.1489
Implied Volatility (Mean)	0.1736
Put-Call Implied Volatility Ratio	0.7511
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.0426
Put-Call Ratio (Open Interest)	0.9072