Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	0.8307	6.14
$α$	0.0466	6.76
$β$	0.9252	79.74
$γ_{1}$	-0.0303	-0.99
$γ_{2}$	0.0900	2.00
$γ_{3}$	-0.1568	-5.37
$γ_{4}$	0.1885	7.41
$γ_{5}$	-0.1560	-5.79
$γ_{6}$	0.1133	3.57
$γ_{7}$	-0.0832	-2.18
$γ_{8}$	0.1078	2.16

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Advantest Corp Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 24th, 2026:71.40% (-1.01%)

Date Range:

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News Impact Curve

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