Implied Volatility (Calls) (30-Day)

Implied Volatility (Calls): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money call options with the relevant expiration date.

Vanguard Total World Stock Index Fund ETF Shares (VT) had 30-Day Implied Volatility (Calls) of 0.2212 for 2026-06-05.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1593
Historical Volatility (Parkinson)	0.0958
Implied Volatility (Calls)	0.2212
Implied Volatility (Puts)	0.1667
Implied Volatility (Mean)	0.1940
Put-Call Implied Volatility Ratio	0.7537
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.7594
Put-Call Ratio (Open Interest)	1.1109