Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	2.0315	5.64
$α$	0.1831	5.89
$β$	0.6677	11.01
$γ_{1}$	0.0113	0.29
$γ_{2}$	0.0161	0.27
$γ_{3}$	-0.0187	-0.40
$γ_{4}$	-0.0303	-0.64
$γ_{5}$	-0.0486	-1.02
$γ_{6}$	0.2079	3.87

V-Lab

Showa Shinku Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:17.41% (+0.26%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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