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	param	t-stat
$ω$	0.8837	8.34
$α$	0.1390	8.78
$β$	0.7795	36.47
$γ_{1}$	-0.0276	-3.60
$γ_{2}$	0.0360	3.22
$γ_{3}$	-0.0074	-0.99
$γ_{4}$	-0.0011	-0.19

V-Lab

Okuwa Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:22.81% (+1.51%)

Date Range:

Parameter Estimates

News Impact Curve

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