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	param	t-stat
$ω$	1.6848	8.69
$α$	0.1906	6.24
$β$	0.2326	3.42
$γ_{1}$	0.0818	2.94
$γ_{2}$	-0.0553	-1.35
$γ_{3}$	-0.1279	-3.86
$γ_{4}$	0.2026	4.56
$γ_{5}$	-0.1807	-3.52
$γ_{6}$	0.1034	2.32
$γ_{7}$	0.0307	0.95
$γ_{8}$	-0.1011	-3.65
$γ_{9}$	0.0557	2.42

V-Lab

Tetra Tech Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:29.80% (-1.49%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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