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	param	t-stat
$ω$	2.4189	4.03
$α$	0.1887	5.62
$β$	0.7706	28.62
$γ_{1}$	0.0224	3.32
$γ_{2}$	-0.0306	-2.36

V-Lab

Sugimura Warehouse Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:49.39% (-4.32%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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