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	param	t-stat
$ω$	0.8862	7.86
$α$	0.1318	2.57
$β$	0.6411	4.86
$γ_{1}$	0.2920	2.18
$γ_{2}$	-0.4421	-2.45

V-Lab

Jiangsu Hualan New Pharmaceutical Material Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:55.80% (-1.74%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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