Historical Volatility (Parkinson) (180-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 AAPL Bear 1X ETF (AAPD) had 180-Day Historical Volatility (Parkinson) of 0.1992 for 2026-06-04.
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