Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	1.6194	8.10
$α$	0.1811	6.59
$β$	0.6249	12.66
$γ_{1}$	0.0007	0.02
$γ_{2}$	0.0515	0.86
$γ_{3}$	-0.1417	-2.61
$γ_{4}$	0.1556	2.71
$γ_{5}$	-0.0892	-1.54
$γ_{6}$	0.0089	0.14
$γ_{7}$	0.0309	0.42
$γ_{8}$	-0.0240	-0.35
$γ_{9}$	0.0775	1.36
$γ_{10}$	-0.1254	-2.84

V-Lab

Nakakita Seisakusho Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:39.34% (+3.80%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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