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.
State Street Nuveen Municipal Bond ESG ETF (MBNE) had 120-Day Historical Volatility (Parkinson) of 0.0277 for 2026-03-09.
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