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	param	t-stat
$ω$	0.0276	25.09
$α$	0.1114	34.10
$β$	0.8843	320.27
$γ$	0.0424	2.38

V-Lab

Hong Kong & China Gas Co Ltd AGARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:19.15% (+0.30%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hong Kong & China Gas Co Ltd Analyses