Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1333	15.12
$α$	0.2425	25.35
$β$	0.7575	66.15
$γ$	-0.1714	-4.20
$δ$	0.7625	16.71

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Happiness And D Co Ltd APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:27.89% (-0.35%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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