Historical Volatility (Parkinson) (30-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 Daily Target 2x Short IONQ ETF (IONZ) had 30-Day Historical Volatility (Parkinson) of 1.6326 for 2025-09-26.
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