Historical Volatility (Parkinson) (150-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 MU Bull 2X Shares (MUU) had 150-Day Historical Volatility (Parkinson) of 0.9365 for 2026-01-20.
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