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	param	t-stat
$ω$	3.6240	5.54
$α$	0.0573	39.76
$β$	0.9937	858.82
$ν$	7.4458	5.32

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Hang Seng Mainland 25 Index GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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