Historical Volatility (Parkinson) (60-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.
State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) had 60-Day Historical Volatility (Parkinson) of 0.0236 for 2026-01-20.
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