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.
Defiance 2X Daily Long Pure Quantum ETF (QPUX) had 10-Day Historical Volatility (Parkinson) of 1.2037 for 2026-01-08.
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