KOSPI 200 Volatility Index

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	param	t-stat
$ω$	0.0657	29.11
$α$	0.1723	46.43
$β$	0.8277	241.23
$γ$	0.3154	22.34
$δ$	1.2911	33.39

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Korea Securities Dealers Association KOSDAQ Index APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

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