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	param	t-stat
$ω$	1.4126	3.39
$α$	0.1145	2.67
$β$	0.3697	2.56
$γ_{1}$	-0.3374	-0.75
$γ_{2}$	0.8660	1.28
$γ_{3}$	-0.9411	-1.91
$γ_{4}$	0.8297	2.03
$γ_{5}$	-0.6270	-1.56
$γ_{6}$	0.2168	0.52
$γ_{7}$	-0.1254	-0.31
$γ_{8}$	0.2975	0.73
$γ_{9}$	-0.2542	-0.80

V-Lab

Proto Labs Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 25th, 2026:49.22% (-2.01%)

Date Range:

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News Impact Curve

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