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 Bloomberg Convertible Securities ETF (CWB) had 60-Day Historical Volatility (Parkinson) of 0.1009 for 2026-01-20.
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