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 BRKB Bull 2X Shares (BRKU) had 10-Day Historical Volatility (Parkinson) of 0.2236 for 2026-01-21.
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