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	param	t-stat
$ω$	0.8237	3.00
$α$	0.2845	4.28
$β$	0.4406	5.67
$γ_{1}$	-1.0356	-3.07
$γ_{2}$	1.4565	3.28
$γ_{3}$	-0.4723	-1.67
$γ_{4}$	0.0565	0.23

V-Lab

Gooddays Holdings Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:85.89% (-33.87%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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