Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0925	15.21
$α$	0.0489	34.75
$β$	0.9384	569.42
$γ$	0.6212	11.19

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Advantest Corp AGARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:59.58% (-1.70%)

Date Range:

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News Impact Curve

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