Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.8473	3.89
$α$	0.1357	7.51
$β$	0.8180	39.13
$γ_{1}$	-0.0506	-0.62
$γ_{2}$	0.1225	1.03
$γ_{3}$	-0.1399	-1.57
$γ_{4}$	0.0463	0.51
$γ_{5}$	0.1014	1.32
$γ_{6}$	-0.2099	-3.00
$γ_{7}$	0.3044	3.84
$γ_{8}$	-0.3530	-3.83
$γ_{9}$	0.3245	3.82
$γ_{10}$	-0.2000	-3.12

V-Lab

Ishikawa Seisakusho Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:126.40% (+1.84%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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