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	param	t-stat
$ω$	1.7191	8.96
$α$	0.1965	6.28
$β$	0.2086	3.18
$γ_{1}$	0.0873	3.19
$γ_{2}$	-0.0609	-1.50
$γ_{3}$	-0.1312	-3.96
$γ_{4}$	0.2107	4.69
$γ_{5}$	-0.1884	-3.63
$γ_{6}$	0.1056	2.37
$γ_{7}$	0.0381	1.18
$γ_{8}$	-0.1242	-4.22
$γ_{9}$	0.1145	2.05

V-Lab

Tetra Tech Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:33.65% (-1.37%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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