Historical Volatility (Parkinson) (10-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.
Direxion Daily LLY Bull 2X Shares (ELIL) had 10-Day Historical Volatility (Parkinson) of 0.5400 for 2026-01-20.
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