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	param	t-stat
$ω$	2.8414	4.70
$α$	0.0505	48.32
$β$	0.9957	1,235.32
$ν$	4.7532	14.84

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Shanghai Shenzhen CSI 300 Index GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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