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	param	t-stat
$ω$	1.0823	4.19
$α$	0.0489	5.02
$β$	0.9065	49.86
$γ_{1}$	-0.0081	-0.08
$γ_{2}$	-0.1523	-1.04
$γ_{3}$	0.3647	3.91
$γ_{4}$	-0.3902	-4.31
$γ_{5}$	0.3660	2.71
$γ_{6}$	-0.3294	-1.93
$γ_{7}$	0.2738	2.06
$γ_{8}$	-0.1842	-2.33
$γ_{9}$	0.0674	1.17

V-Lab

Quanta Services Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:36.42% (-0.78%)

Date Range:

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News Impact Curve

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