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	param	t-stat
$ω$	1.8203	9.36
$α$	0.1500	7.17
$β$	0.5936	12.03
$γ_{1}$	0.0377	1.41
$γ_{2}$	0.0092	0.23
$γ_{3}$	-0.1250	-4.15
$γ_{4}$	0.1305	4.68
$γ_{5}$	-0.0528	-2.11
$γ_{6}$	-0.0182	-0.80
$γ_{7}$	0.0306	1.80

V-Lab

Hengan International Group Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:20.61% (+0.42%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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