Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.6900	5.98
$α$	0.1256	8.00
$β$	0.7979	36.96
$γ_{1}$	-0.0127	-0.35
$γ_{2}$	0.1051	1.90
$γ_{3}$	-0.2116	-4.95
$γ_{4}$	0.2076	6.00
$γ_{5}$	-0.1250	-4.07
$γ_{6}$	0.0567	1.79
$γ_{7}$	-0.0206	-0.59
$γ_{8}$	-0.0019	-0.05
$γ_{9}$	-0.0031	-0.08

V-Lab

Keio Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:23.75% (-1.01%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Keio Corp Analyses