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	param	t-stat
$ω$	0.0313	7.56
$α$	0.0174	8.92
$β$	0.9604	571.99
$γ$	0.0430	12.37

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Quanta Services Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 26th, 2026:37.82% (-0.48%)

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News Impact Curve

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