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 SPY Quarterly ETF (SPYQ) had 120-Day Historical Volatility (Parkinson) of 0.1158 for 2026-01-20.
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