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	param	t-stat
$ω$	1.8532	4.07
$α$	0.2605	5.54
$β$	0.6746	14.78
$γ_{1}$	-0.0206	-0.40
$γ_{2}$	0.1334	1.78
$γ_{3}$	-0.2284	-4.33
$γ_{4}$	0.1656	3.83

V-Lab

Uchiyama Holdings Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:32.76% (+14.43%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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