Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0924	3.43
$α$	0.0899	8.96
$β$	0.9101	90.85
$γ$	-0.1334	-3.25
$δ$	1.7446	12.60

V-Lab

Koa Shoji Holding APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:23.23% (-0.48%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Koa Shoji Holding Analyses