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.
T. Rowe Price Active Crypto ETF (TKNZ) had 20-Day Historical Volatility (Parkinson) of 0.2891 for 2026-09-04.
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