V-Lab: AT&T Inc AGARCH Volatility Analysis

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V-Lab

AT&T Inc AGARCH Volatility Analysis

Volatility Prediction for Monday, October 20th, 2025:22.90% (-0.79%)

Analysis last updated: Friday, October 17, 2025 at 11:21 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

Parameter Estimates

	param	t-stat
$ω$	0.0350	19.60
$α$	0.0677	42.75
$β$	0.9178	565.15
$γ$	0.2181	6.58

Estimation Period:
Jan 2, 1990 to Oct 17, 2025

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