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	param	t-stat
$ω$	1.1569	11.14
$α$	0.0901	30.61
$β$	0.9810	492.71
$ν$	9.2140	4.79

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iShares U.S. Healthcare ETF GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:15.75% (+0.33%)

Date Range:

Parameter Estimates

Other iShares U.S. Healthcare ETF Analyses