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.
SPDR Galaxy Transformative Tech Accelerators ETF (TEKX) had 90-Day Historical Volatility (Parkinson) of 0.2067 for 2026-03-09.
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