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	param	t-stat
$ω$	0.0962	18.05
$α$	0.1002	26.65
$β$	0.8918	246.28
$γ$	0.2434	14.54
$δ$	1.2807	25.08

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Sumitomo Seika Chemicals Co APARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:38.28% (-0.31%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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