Historical Volatility (Parkinson) (90-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 U.S. Tech Independence Focused ETF (IETC) had 90-Day Historical Volatility (Parkinson) of 0.1774 for 2025-12-15.
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