Historical Volatility (Parkinson) (120-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.
Roundhill Russell 2000 0DTE Covered Call Strategy ETF (RDTE) had 120-Day Historical Volatility (Parkinson) of 0.2268 for 2025-05-30.
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