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	param	t-stat
$ω$	3.7690	3.49
$α$	0.0717	44.36
$β$	0.9906	376.65
$ν$	4.0243	14.89

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Quest Diagnostics Inc GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:29.30% (-2.03%)

Date Range:

Parameter Estimates

Other Quest Diagnostics Inc Analyses