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	param	t-stat
$ω$	0.1097	12.53
$α$	0.0782	15.18
$β$	0.8784	211.87
$γ$	0.0237	2.07

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Quest Diagnostics Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:24.48% (-0.63%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Quest Diagnostics Inc Analyses