Historical Volatility (Parkinson) (30-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 S&P 500 Premium Income ETF (GPIX) had 30-Day Historical Volatility (Parkinson) of 0.0953 for 2025-05-30.
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