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	param	t-stat
$ω$	1.7129	1.94
$α$	0.3265	4.81
$β$	0.5750	8.14
$γ_{1}$	1.7216	1.54
$γ_{2}$	-1.9436	-1.08
$γ_{3}$	-1.3051	-0.87
$γ_{4}$	4.2398	3.80
$γ_{5}$	-4.8750	-5.11
$γ_{6}$	3.8827	3.35
$γ_{7}$	-4.0147	-3.07
$γ_{8}$	4.6846	3.94
$γ_{9}$	-3.4224	-4.03

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Hebei Yichen Industrial Group Corp Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:54.82% (-4.21%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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