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.
Ferrellgas Partners, L.P. (FGPRQ) had 20-Day Historical Volatility (Parkinson) of 1.1503 for 2020-01-09.
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