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	param	t-stat
$ω$	1.5810	6.79
$α$	0.0764	1.98
$β$	0.3748	1.51
$γ_{1}$	2.2317	4.66
$γ_{2}$	-3.7674	-4.98
$γ_{3}$	2.7006	4.27
$γ_{4}$	-1.9899	-2.81
$γ_{5}$	1.6291	2.36

V-Lab

Toho GAS Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 10th, 2026:30.85% (+1.09%)

Date Range:

Parameter Estimates

News Impact Curve

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