Historical Volatility (Parkinson) (30-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.
ARK 21Shares Active Ethereum Futures Strategy ETF (ARKZ) had 30-Day Historical Volatility (Parkinson) of 0.2694 for 2025-05-30.
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