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	param	t-stat
$ω$	1.0000	5.40
$α$	0.1978	9.06
$β$	0.5049	13.22
$γ$	0.3474	7.44
$δ$	0.6255	7.05

V-Lab

Annexon Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:64.93% (-5.59%)

Date Range:

Parameter Estimates

News Impact Curve

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