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	param	t-stat
$ω$	0.0353	24.86
$α$	0.1189	35.16
$β$	0.8811	278.13
$γ$	0.0691	5.81
$δ$	1.5819	38.72

V-Lab

Hong Kong & China Gas Co Ltd APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:18.52% (+0.28%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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