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	param	t-stat
$ω$	3.7368	3.49
$α$	0.0716	44.05
$β$	0.9905	372.50
$ν$	4.0215	14.79

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Quest Diagnostics Inc GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:24.52% (-1.64%)

Date Range:

Parameter Estimates

Other Quest Diagnostics Inc Analyses