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	param	t-stat
$m$	76
$α$	0.2262	11.70
$β$	0.3748	9.08
$γ$	-0.1447	-6.13
$λ_{1}$	5.2855	0.05
$λ_{2}$	0.2857	0.05
$λ_{3}$	0.0000	0.00

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Amphastar Pharmaceuticals Inc MF2-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:46.26% (+5.55%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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