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	param	t-stat
$ω$	0.0349	20.89
$α$	0.0867	39.47
$β$	0.9133	385.53
$γ$	0.2291	12.54
$δ$	1.0417	26.36

V-Lab

Pfizer Inc APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:28.00% (-1.53%)

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News Impact Curve

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