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	param	t-stat
$ω$	2.4143	5.39
$α$	0.1042	1.98
$β$	0.4119	1.70
$γ_{1}$	1.4602	2.33
$γ_{2}$	-0.8991	-0.95
$γ_{3}$	-1.2822	-1.78
$γ_{4}$	1.1766	1.31

V-Lab

Kohoku Kogyo Co. Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:44.53% (-4.00%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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