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.
Defiance Daily Target 2x Long OKLO ETF (OKLL) had 20-Day Historical Volatility (Parkinson) of 1.5203 for 2025-07-16.
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