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.
Invesco DB US Dollar Index Bullish ETF (UUP) had 20-Day Historical Volatility (Parkinson) of 0.0315 for 2025-12-15.
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