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	param	t-stat
$ω$	0.6464	6.19
$α$	0.0654	3.00
$β$	0.8031	10.06
$γ_{1}$	-0.1405	-1.52
$γ_{2}$	0.3297	2.30
$γ_{3}$	-0.3195	-3.80

V-Lab

GrafTech International Ltd. Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:276.13% (+160.82%)

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