Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	2.2787	3.95
$α$	0.2934	3.90
$β$	0.2681	3.05
$γ_{1}$	5.3394	2.83
$γ_{2}$	-7.3030	-1.95
$γ_{3}$	2.6560	0.74
$γ_{4}$	-0.8357	-0.32
$γ_{5}$	1.2078	0.71
$γ_{6}$	-3.2568	-2.28
$γ_{7}$	4.0893	2.61
$γ_{8}$	-4.0785	-2.09
$γ_{9}$	4.3516	1.92
$γ_{10}$	-6.5091	-2.44

V-Lab

Kotobukiya Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:7.65% (+1.20%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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