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.
GraniteShares 2x Long MRVL Daily ETF (MVLL) had 30-Day Historical Volatility (Parkinson) of 0.6824 for 2025-05-30.
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