AT&T Inc GAS-GARCH Student T Volatility Analysis
Volatility prediction for Thursday, April 23rd, 2026
1 Day
25.14%
decreased by 1.29%
1 Week
25.17%
decreased by 1.26%
1 Month
25.30%
decreased by 1.13%
Analysis last updated: Wednesday, April 22, 2026 at 10:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 2.8852 | 4.44 | |
| 0.0698 | 33.35 | |
| 0.9910 | 487.20 | |
| 5.7216 | 8.34 |
Estimation Period:
Jan 2, 1990 to Apr 17, 2026
Jan 2, 1990 to Apr 17, 2026
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