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	param	t-stat
$ω$	0.6319	5.36
$α$	0.1015	4.96
$β$	0.7684	17.37
$γ_{1}$	-0.3238	-3.13
$γ_{2}$	0.5096	3.56
$γ_{3}$	-0.3724	-4.57
$γ_{4}$	0.3253	3.95
$γ_{5}$	-0.1714	-1.27

V-Lab

Sinopec Engineering Group Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:28.66% (-0.39%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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