V-Lab: AT&T Inc GAS-GARCH Student T Volatility Analysis

V-Lab

AT&T Inc GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Monday, July 14th, 2025:22.50% (+2.39%)

Analysis last updated: Friday, July 11, 2025 at 11:19 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

Parameter Estimates

	param	t-stat
$ω$	2.9092	4.34
$α$	0.0706	32.83
$β$	0.9911	483.69
$ν$	5.7198	8.36

Estimation Period:
Jan 2, 1990 to Jul 11, 2025