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	param	t-stat
$ω$	1.8970	9.10
$α$	0.1524	6.99
$β$	0.5581	10.00
$γ_{1}$	0.0872	1.36
$γ_{2}$	-0.0866	-0.87
$γ_{3}$	0.0844	1.24
$γ_{4}$	-0.2237	-3.68
$γ_{5}$	0.1815	3.15
$γ_{6}$	-0.0078	-0.14
$γ_{7}$	-0.0120	-0.20
$γ_{8}$	-0.1066	-1.76
$γ_{9}$	0.1871	3.11
$γ_{10}$	-0.3028	-3.43

V-Lab

Hengan International Group Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 6th, 2026:18.79% (+2.24%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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