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 TSM Bear 1X Shares (TSMZ) had 90-Day Historical Volatility (Parkinson) of 0.2317 for 2026-01-16.
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