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.
iShares iBonds Dec 2028 Term Muni Bond ETF (IBMQ) had 120-Day Historical Volatility (Parkinson) of 0.0338 for 2025-06-18.
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