Historical Volatility (Parkinson) (120-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 GOOGL Bull 2X Shares (GGLL) had 120-Day Historical Volatility (Parkinson) of 0.4960 for 2026-01-20.
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