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	param	t-stat
$ω$	1.3804	6.05
$α$	0.1408	6.39
$β$	0.6867	15.42
$γ_{1}$	0.0098	0.43
$γ_{2}$	-0.0350	-1.07
$γ_{3}$	0.0706	3.23
$γ_{4}$	-0.0945	-4.84
$γ_{5}$	0.1075	5.20
$γ_{6}$	-0.1025	-4.07
$γ_{7}$	0.0963	2.96

V-Lab

Papa John's International Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:52.21% (-4.11%)

Date Range:

Parameter Estimates

News Impact Curve

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