Historical Volatility (Parkinson) (150-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 Bearish ETF (UDN) had 150-Day Historical Volatility (Parkinson) of 0.0327 for 2026-01-20.
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