Historical Volatility (Parkinson) (120-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 Technology XLK Defined Volatility ETF (DVXK) had 120-Day Historical Volatility (Parkinson) of 0.0508 for 2025-12-17.
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