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	param	t-stat
$ω$	1.0000	3.12
$α$	0.0746	10.02
$β$	0.8619	84.90
$γ$	-0.2136	-4.57
$δ$	1.4368	9.39

V-Lab

Personalis Inc APARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:97.87% (+0.47%)

Date Range:

Parameter Estimates

News Impact Curve

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