Historical Volatility (Parkinson) (150-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 150-Day Historical Volatility (Parkinson) of 0.0364 for 2026-01-20.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.0271
Historical Volatility (Parkinson)	0.0364
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)	--