Nikkei Stock Average Volatility Index

CBOE EFA ETF Volatility Index

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	param	t-stat
$ω$	1.9342	4.12
$α$	0.2057	5.30
$β$	0.6380	10.94
$γ_{1}$	0.6026	4.02
$γ_{2}$	-0.8587	-3.87
$γ_{3}$	0.2230	1.25
$γ_{4}$	0.2951	1.38
$γ_{5}$	-0.5485	-2.27
$γ_{6}$	0.5714	2.40
$γ_{7}$	-0.3927	-1.91
$γ_{8}$	-0.2914	-1.02

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Sumiseki Holdings Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:144.10% (+27.39%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sumiseki Holdings Inc Analyses