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.
WEBs Financial XLF Defined Volatility ETF (DVXF) had 10-Day Historical Volatility (Parkinson) of 0.0488 for 2025-12-17.
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