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 RDDT Daily ETF (RDTL) had 30-Day Historical Volatility (Parkinson) of 1.2937 for 2025-05-30.
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