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	param	t-stat
$ω$	0.4164	1.65
$α$	0.1831	3.44
$β$	0.7852	16.32
$γ_{1}$	4.2393	3.99
$γ_{2}$	-6.9475	-4.62
$γ_{3}$	3.7373	3.70
$γ_{4}$	-1.4598	-1.31
$γ_{5}$	0.4458	0.55

V-Lab

Arko Corp Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:59.51% (-0.76%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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