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	param	t-stat
$ω$	0.0219	6.68
$α$	0.0457	12.88
$β$	0.9538	326.31
$γ$	-0.0754	-2.56
$δ$	2.0127	34.67

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Koei Chem Co Ltd APARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:21.53% (-0.30%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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