Historical Volatility (Parkinson) (10-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.
Direxion Daily BA Bear 1X Shares (BOED) had 10-Day Historical Volatility (Parkinson) of 0.1579 for 2025-07-15.
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