Implied Volatility (Calls) (150-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 150-Day Implied Volatility (Calls) of 0.1773 for 2026-03-05.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1256
Historical Volatility (Parkinson)	0.1028
Implied Volatility (Calls)	0.1773
Implied Volatility (Puts)	0.1879
Implied Volatility (Mean)	0.1826
Put-Call Implied Volatility Ratio	1.0600
Implied Volatility Skew	0.0652
Option Statistics
Put-Call Ratio (Volume)	0.1021
Put-Call Ratio (Open Interest)	0.4513