Implied Volatility (Mean) (20-Day)

Implied Volatility (Mean): The forecasted future volatility of the security over the selected time frame, derived from the average of the put and call implied volatilities for options with the relevant expiration date.

Vanguard S&P 500 Growth Index Fund ETF Shares (VOOG) had 20-Day Implied Volatility (Mean) of 0.2404 for 2026-03-05.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1452
Historical Volatility (Parkinson)	0.1561
Implied Volatility (Calls)	0.2203
Implied Volatility (Puts)	0.2604
Implied Volatility (Mean)	0.2404
Put-Call Implied Volatility Ratio	1.1818
Implied Volatility Skew	0.0372
Option Statistics
Put-Call Ratio (Volume)	10.0000
Put-Call Ratio (Open Interest)	0.2710