Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.1166	10.23
$α$	0.2643	16.71
$β$	0.7297	41.83
$γ$	0.0088	0.37
$δ$	2.0607	11.91

V-Lab

Chimney Co Ltd APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:16.83% (-1.56%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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