Historical Volatility (Parkinson) (90-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 AMD Bear 1X Shares (AMDD) had 90-Day Historical Volatility (Parkinson) of 0.4374 for 2026-01-20.
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