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	param	t-stat
$ω$	0.0549	11.23
$α$	0.0505	23.01
$β$	0.9412	338.07
$γ$	0.4305	8.99
$δ$	0.6744	12.98

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Ultra Clean Holdings Inc APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:72.04% (+0.70%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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