Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.3832	5.24
$α$	0.1112	6.37
$β$	0.8116	38.26
$γ_{1}$	0.2077	2.87
$γ_{2}$	-0.2694	-2.46
$γ_{3}$	-0.0648	-0.94
$γ_{4}$	0.3084	5.60
$γ_{5}$	-0.3125	-5.21
$γ_{6}$	0.2193	3.37
$γ_{7}$	-0.1615	-2.45
$γ_{8}$	0.1213	1.81
$γ_{9}$	-0.0592	-0.98
$γ_{10}$	0.0143	0.31

V-Lab

KDDI Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:32.52% (-1.88%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other KDDI Corp Analyses