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	param	t-stat
$ω$	1.2149	5.21
$α$	0.1837	3.27
$β$	0.4306	2.65
$γ_{1}$	-0.8632	-2.49
$γ_{2}$	1.9883	3.53
$γ_{3}$	-1.5419	-3.06
$γ_{4}$	-0.1789	-0.23

V-Lab

Hong Kong Johnson Holdings Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:44.04% (+0.93%)

Date Range:

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News Impact Curve

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