Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0271	15.72
$α$	0.0938	27.18
$β$	0.9887	1,414.48
$γ$	-0.0170	-6.94

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Advantest Corp EGARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:63.78% (-1.87%)

Date Range:

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