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	param	t-stat
$ω$	0.0729	18.10
$α$	0.0508	14.31
$β$	0.9001	390.99
$γ$	0.0912	12.56

V-Lab

UnitedHealth Group Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:60.24% (-3.10%)

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News Impact Curve

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