Historical Volatility (Parkinson) (20-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.
Eaton Vance Municipal Income 2028 Term Trust (ETX) had 20-Day Historical Volatility (Parkinson) of 0.0861 for 2026-01-20.
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