Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.2303	2.73
$α$	0.2607	2.24
$β$	0.4079	2.57
$γ_{1}$	-8.0866	-1.27
$γ_{2}$	15.5871	1.47
$γ_{3}$	-16.5375	-1.52
$γ_{4}$	19.3226	1.78
$γ_{5}$	-10.7767	-1.20
$γ_{6}$	-9.6129	-0.90

V-Lab

Nihon Knowledge Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:37.32% (-9.79%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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