Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	5.2579	5.20
$α$	0.0628	27.02
$β$	0.9856	317.63
$ν$	5.1946	7.23

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Kajima Corp GAS-GARCH Student T Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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