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	param	t-stat
$ω$	1.4686	4.23
$α$	0.1745	3.25
$β$	0.5868	5.73
$γ_{1}$	0.2438	2.29
$γ_{2}$	-0.2840	-1.92
$γ_{3}$	-0.1015	-1.02
$γ_{4}$	0.4918	3.92

V-Lab

Tsubaki-Nakashima Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:61.35% (+9.83%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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