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	param	t-stat
$ω$	0.0202	11.77
$α$	0.0493	13.93
$β$	0.9507	437.10
$γ$	0.0562	2.58
$δ$	1.8632	16.54

V-Lab

Nichiban Co Ltd APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:15.65% (-0.23%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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