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

V-Lab

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V-Lab

AT&T Inc GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Wednesday, March 19th, 2025:27.43% (-1.02%)

Analysis last updated: Tuesday, March 18, 2025 at 10:03 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

Parameter Estimates

	param	t-stat
$ω$	2.9392	4.35
$α$	0.0715	33.00
$β$	0.9911	485.58
$ν$	5.7349	8.44

Estimation Period:
Jan 2, 1990 to Mar 14, 2025