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	param	t-stat
$ω$	0.7867	2.72
$α$	0.2772	3.89
$β$	0.4965	7.15
$γ_{1}$	-1.1543	-3.22
$γ_{2}$	1.6808	3.59
$γ_{3}$	-0.7859	-2.49
$γ_{4}$	0.7933	1.37

V-Lab

Gooddays Holdings Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:92.63% (-28.51%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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