Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.1555	6.46
$α$	0.1349	4.84
$β$	0.7329	9.17
$γ_{1}$	-0.0200	-1.18
$γ_{2}$	0.0185	0.71
$γ_{3}$	0.0251	1.46
$γ_{4}$	-0.0365	-3.13

V-Lab

Cybozu Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:58.23% (+2.51%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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