Implied Volatility (Calls) (20-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 Russell 2000 Growth Index Fund ETF Shares (VTWG) had 20-Day Implied Volatility (Calls) of 0.1580 for 2026-09-04.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1757
Historical Volatility (Parkinson)	0.0943
Implied Volatility (Calls)	0.1580
Implied Volatility (Puts)	0.1910
Implied Volatility (Mean)	0.1745
Put-Call Implied Volatility Ratio	1.2082
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0125