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	param	t-stat
$ω$	1.4767	4.78
$α$	0.3863	5.02
$β$	0.4851	6.42
$γ_{1}$	-0.0606	-2.82
$γ_{2}$	0.1422	3.56

V-Lab

Nakamura Choukou Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:60.97% (-8.33%)

Date Range:

Parameter Estimates

News Impact Curve

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