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, June 30th, 2025:18.06% (-0.85%)

Analysis last updated: Friday, June 27, 2025 at 11:16 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

Parameter Estimates

	param	t-stat
$ω$	2.8928	4.37
$α$	0.0711	32.73
$β$	0.9909	478.71
$ν$	5.7225	8.36

Estimation Period:
Jan 2, 1990 to Jun 27, 2025