Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.9135	5.32
$α$	0.2260	3.41
$β$	0.3635	2.88
$γ_{1}$	3.8245	1.57
$γ_{2}$	-2.4655	-0.60
$γ_{3}$	-5.5023	-1.54
$γ_{4}$	10.7234	3.24
$γ_{5}$	-12.4725	-3.94
$γ_{6}$	7.4825	2.50
$γ_{7}$	-0.6156	-0.26
$γ_{8}$	-2.7111	-1.31
$γ_{9}$	5.6754	1.81

V-Lab

Headwaters Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:82.41% (+4.60%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Headwaters Co Ltd Analyses