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	param	t-stat
$ω$	0.6537	7.95
$α$	0.0716	4.82
$β$	0.8251	23.46
$γ_{1}$	-0.0915	-6.61
$γ_{2}$	0.1268	6.29
$γ_{3}$	-0.0437	-3.41
$γ_{4}$	0.0096	1.10

V-Lab

Weichai Power Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:51.25% (-2.62%)

Date Range:

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News Impact Curve

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