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	param	t-stat
$ω$	0.8923	5.98
$α$	0.2774	3.55
$β$	0.0479	0.59
$γ_{1}$	-0.3497	-0.89
$γ_{2}$	0.8020	1.30
$γ_{3}$	-0.9942	-1.78
$γ_{4}$	1.1295	1.74
$γ_{5}$	-1.4365	-1.89
$γ_{6}$	3.1031	3.45

V-Lab

Portola Pharmaceuticals LLC Spline-GARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Portola Pharmaceuticals LLC Analyses