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	param	t-stat
$ω$	2.1212	5.12
$α$	0.2497	5.53
$β$	0.6833	15.63
$γ_{1}$	0.0569	5.27
$γ_{2}$	-0.1116	-4.44

V-Lab

Uchiyama Holdings Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:16.59% (+7.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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