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.
Invesco Dorsey Wright Industrials Momentum ETF (PRN) had 10-Day Historical Volatility (Parkinson) of 0.1365 for 2026-01-20.
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