Historical Volatility (Parkinson) (180-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 Broad USD Investment Grade Corporate Bond ETF (USIG) had 180-Day Historical Volatility (Parkinson) of 0.0249 for 2026-01-20.
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