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	param	t-stat
$ω$	1.1643	6.55
$α$	0.1334	4.57
$β$	0.7285	8.23
$γ_{1}$	-0.0173	-1.03
$γ_{2}$	0.0122	0.47
$γ_{3}$	0.0365	1.84
$γ_{4}$	-0.0659	-2.73

V-Lab

Cybozu Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:54.11% (+1.59%)

Date Range:

Parameter Estimates

News Impact Curve

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