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.
Defiance Space and Connective Tech ETF (UFOX) had 20-Day Historical Volatility (Parkinson) of 0.2929 for 2026-08-06.
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