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 Technology Bull 3X Shares (TECL) had 180-Day Historical Volatility (Parkinson) of 0.4821 for 2026-01-21.
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