Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.3054	3.08
$α$	0.4423	4.38
$β$	0.2953	3.32
$γ_{1}$	-0.7665	-1.38
$γ_{2}$	1.1220	1.42
$γ_{3}$	-0.6021	-1.10
$γ_{4}$	0.6281	1.00
$γ_{5}$	-1.0169	-1.56
$γ_{6}$	1.0768	2.52

V-Lab

Kowa Company Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:16.27% (+0.33%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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