Historical Volatility (Parkinson) (90-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 90-Day Historical Volatility (Parkinson) of 1.7194 for 2026-01-08.
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