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	param	t-stat
$ω$	1.2032	5.69
$α$	0.0790	4.73
$β$	0.8986	38.37
$γ_{1}$	-0.0610	-2.00
$γ_{2}$	0.1196	2.62
$γ_{3}$	-0.0801	-3.28

V-Lab

Hunan Hansen Pharmaceutical Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:49.92% (+23.18%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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