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	param	t-stat
$ω$	1.3890	6.55
$α$	0.1245	7.71
$β$	0.8033	33.81
$γ_{1}$	0.0579	3.96
$γ_{2}$	-0.0966	-5.12
$γ_{3}$	0.0572	4.28
$γ_{4}$	-0.0332	-2.70
$γ_{5}$	0.0367	2.64
$γ_{6}$	-0.0430	-1.87

V-Lab

Sumitomo Corp Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:38.53% (-2.41%)

Date Range:

Parameter Estimates

News Impact Curve

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