Historical Volatility (Parkinson) (20-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.
Fundstrat Granny Shots US Large Cap ETF (GRNY) had 20-Day Historical Volatility (Parkinson) of 0.1235 for 2026-01-21.
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