Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.0737	8.67
$α$	0.1614	8.10
$β$	0.7300	26.73
$γ_{1}$	0.0039	0.42
$γ_{2}$	-0.0183	-1.32
$γ_{3}$	0.0181	1.89
$γ_{4}$	0.0035	0.43
$γ_{5}$	-0.0094	-1.58

V-Lab

Koike Sanso Kogyo Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:38.98% (+3.69%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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