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	param	t-stat
$ω$	0.8989	4.96
$α$	0.1783	1.67
$β$	0.6054	3.63
$γ_{1}$	-0.1856	-2.50
$γ_{2}$	0.2626	2.71

V-Lab

H World Group Limited Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:43.84% (+7.71%)

Date Range:

Parameter Estimates

News Impact Curve

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