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	param	t-stat
$ω$	1.1859	7.84
$α$	0.0927	8.81
$β$	0.8835	71.04
$γ_{1}$	0.0025	2.04

V-Lab

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

Volatility Prediction for Tuesday, February 17th, 2026:15.55% (+0.14%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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