Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.4825	4.64
$α$	0.0676	5.80
$β$	0.9081	65.75
$γ_{1}$	0.0053	0.63
$γ_{2}$	-0.0147	-1.17
$γ_{3}$	0.0178	2.81

V-Lab

Keiyo Gas Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:14.00% (+1.29%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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