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	param	t-stat
$ω$	1.5721	6.71
$α$	0.0781	2.05
$β$	0.3855	1.62
$γ_{1}$	2.1953	4.55
$γ_{2}$	-3.6842	-4.84
$γ_{3}$	2.5588	4.06
$γ_{4}$	-1.6767	-2.44
$γ_{5}$	0.8269	1.64

V-Lab

Toho GAS Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:24.47% (-0.53%)

Date Range:

Parameter Estimates

News Impact Curve

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