HSI Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.3520	6.28
$α$	0.1239	8.99
$β$	0.8401	59.24
$γ_{1}$	-0.0621	-1.64
$γ_{2}$	0.1521	2.51
$γ_{3}$	-0.2217	-4.03
$γ_{4}$	0.2617	3.73
$γ_{5}$	-0.2044	-2.42
$γ_{6}$	0.0891	1.21
$γ_{7}$	-0.0069	-0.14
$γ_{8}$	0.0416	0.81
$γ_{9}$	-0.1949	-2.42

V-Lab

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

Volatility Prediction for Monday, February 23rd, 2026:19.03% (+0.84%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hong Kong & China Gas Co Ltd Analyses