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	param	t-stat
$ω$	1.4690	9.53
$α$	0.0783	7.68
$β$	0.9066	68.71
$γ_{1}$	0.0012	2.91

V-Lab

China Unicom Hong Kong Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:28.97% (-0.88%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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