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	param	t-stat
$ω$	0.0451	21.43
$α$	0.1644	40.94
$β$	0.9720	498.96
$γ$	-0.0389	-7.88

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Quest Diagnostics Inc EGARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:26.10% (-1.56%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Quest Diagnostics Inc Analyses