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	param	t-stat
$ω$	1.3990	7.14
$α$	0.0936	8.79
$β$	0.8794	70.40
$γ_{1}$	0.0078	2.80
$γ_{2}$	-0.0092	-2.65

V-Lab

iShares U.S. Healthcare ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:15.18% (+0.15%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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