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	param	t-stat
$ω$	0.0309	24.36
$α$	0.0646	27.95
$β$	0.9354	521.41
$γ$	0.4303	22.78
$δ$	1.3558	33.08

V-Lab

Citigroup Inc APARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:37.86% (-1.13%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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