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	param	t-stat
$ω$	0.0487	20.37
$α$	0.0823	28.29
$β$	0.9177	341.30
$γ$	0.4834	11.83
$δ$	1.0634	24.10

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UnitedHealth Group Inc APARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:39.96% (-2.61%)

Date Range:

Parameter Estimates

News Impact Curve

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