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	param	t-stat
$ω$	0.9670	7.51
$α$	0.0701	6.56
$β$	0.8863	53.45
$γ_{1}$	-0.0008	-0.03
$γ_{2}$	-0.0023	-0.06
$γ_{3}$	-0.0304	-1.17
$γ_{4}$	0.1561	4.50

V-Lab

Sumco Corp Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 24th, 2026:68.68% (-1.97%)

Date Range:

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News Impact Curve

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