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	param	t-stat
$ω$	0.0527	10.17
$α$	0.0394	18.23
$β$	0.9501	511.91
$γ$	0.1107	5.86
$δ$	2.1637	28.07

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China Unicom Hong Kong Ltd APARCH Volatility Analysis

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Parameter Estimates

News Impact Curve

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