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	param	t-stat
$ω$	0.1074	12.44
$α$	0.0762	15.25
$β$	0.8814	216.61
$γ$	0.0228	2.05

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Quest Diagnostics Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:28.89% (-1.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Quest Diagnostics Inc Analyses