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	param	t-stat
$ω$	0.8260	5.17
$α$	0.0812	10.76
$β$	0.7963	43.24
$γ$	0.2411	3.71
$δ$	1.3601	16.09

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Ultragenyx Pharmaceutical Inc APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:78.32% (+24.76%)

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