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	param	t-stat
$ω$	1.7271	6.73
$α$	0.1205	8.16
$β$	0.8618	66.51
$γ_{1}$	0.0009	5.00

V-Lab

Hong Kong & China Gas Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:20.05% (+0.78%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hong Kong & China Gas Co Ltd Analyses