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	param	t-stat
$ω$	0.6979	2.39
$α$	0.2491	4.04
$β$	0.6709	10.44
$γ_{1}$	-1.1893	-1.67
$γ_{2}$	2.1824	2.17
$γ_{3}$	-1.9040	-2.71

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Hangzhou Huaguang Advanced Welding Materials Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:48.20% (-2.71%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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