Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	0.9891	3.82
$α$	0.2336	2.97
$β$	0.4613	3.65
$γ_{1}$	-5.7882	-3.56
$γ_{2}$	11.4437	4.43
$γ_{3}$	-9.3826	-4.17
$γ_{4}$	4.0339	1.66
$γ_{5}$	0.1892	0.09
$γ_{6}$	-1.1597	-0.75
$γ_{7}$	2.1877	1.20
$γ_{8}$	-1.8276	-0.69
$γ_{9}$	-0.9777	-0.37
$γ_{10}$	2.1550	1.31

V-Lab

Koa Shoji Holding Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:20.69% (+3.85%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Koa Shoji Holding Analyses