Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	0.7785	5.77
$α$	0.1389	10.39
$β$	0.8036	48.96
$γ_{1}$	-0.0323	-3.22
$γ_{2}$	0.0342	2.41
$γ_{3}$	0.0121	1.51
$γ_{4}$	-0.0211	-3.99

V-Lab

SoftBank Group Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:76.47% (-5.83%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other SoftBank Group Corp Analyses