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	param	t-stat
$ω$	0.0718	17.96
$α$	0.0501	14.22
$β$	0.9010	395.16
$γ$	0.0910	12.62

V-Lab

UnitedHealth Group Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:66.81% (-3.41%)

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Parameter Estimates

News Impact Curve

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