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	param	t-stat
$ω$	2.2614	6.43
$α$	0.1464	2.31
$β$	0.4809	3.34
$γ_{1}$	2.3501	5.44
$γ_{2}$	-3.0451	-4.60
$γ_{3}$	0.7984	1.99

V-Lab

Zhejiang Hengwei Battery Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:70.88% (-21.21%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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