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	param	t-stat
$ω$	2.1021	7.94
$α$	0.0580	23.93
$β$	0.9848	451.11
$ν$	8.3673	2.74

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Hang Seng Mainland 100 Index GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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