Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.3367	6.35
$α$	0.2073	7.29
$β$	0.6950	19.42
$γ_{1}$	0.0882	1.40
$γ_{2}$	-0.1463	-1.40
$γ_{3}$	-0.0014	-0.02
$γ_{4}$	0.1762	2.01
$γ_{5}$	-0.2188	-2.41
$γ_{6}$	0.2236	2.44
$γ_{7}$	-0.3135	-2.64

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Wadakohsan Corp Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:10.13% (+0.66%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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