Historical Volatility (Parkinson) (120-Day)

Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.

Goldman Sachs Access U.S. Preferred Stock and Hybrid Securities ETF (GPRF) had 120-Day Historical Volatility (Parkinson) of 0.0375 for 2026-01-20.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.0268
Historical Volatility (Parkinson)	0.0375
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--