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	param	t-stat
$ω$	0.8864	8.46
$α$	0.1399	8.58
$β$	0.7758	35.25
$γ_{1}$	-0.0266	-3.49
$γ_{2}$	0.0336	3.00
$γ_{3}$	-0.0028	-0.34
$γ_{4}$	-0.0132	-1.16

V-Lab

Okuwa Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:19.88% (+2.30%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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