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.
Direxion Daily Real Estate Bear 3X Shares (DRV) had 20-Day Historical Volatility (Parkinson) of 0.3968 for 2026-01-20.
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