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.
Direxion Daily BABA Bull 2X ETF (BABU) had 30-Day Historical Volatility (Parkinson) of 0.4360 for 2026-04-06.
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