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	param	t-stat
$ω$	3.6979	29.57
$α$	0.1808	14.78
$β$	0.2962	19.31
$γ$	-0.8642	-4.33

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Amphastar Pharmaceuticals Inc AGARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:40.40% (-7.18%)

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News Impact Curve

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