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	param	t-stat
$ω$	1.4168	7.80
$α$	0.1485	7.01
$β$	0.7541	24.63
$γ_{1}$	0.0032	0.46
$γ_{2}$	-0.0127	-1.10
$γ_{3}$	0.0203	1.73

V-Lab

Yokohama Gyorui Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:11.13% (-0.58%)

Date Range:

Parameter Estimates

News Impact Curve

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