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	param	t-stat
$ω$	0.2719	4.57
$α$	0.0794	11.79
$β$	0.8695	77.56
$γ$	-0.0126	-0.15
$δ$	1.1175	7.57

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Portillo'S Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:53.98% (+5.16%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Portillo'S Inc Analyses