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.
Tradr 2X Long IREN Daily ETF (IREX) had 120-Day Historical Volatility (Parkinson) of 1.9777 for 2026-02-20.
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