AT&T Inc GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Friday, November 28th, 2025:20.25% (-1.08%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 2.8647 | 4.38 | |
| 0.0698 | 32.64 | |
| 0.9910 | 481.05 | |
| 5.7210 | 8.25 |
Estimation Period:
Jan 2, 1990 to Nov 26, 2025
Jan 2, 1990 to Nov 26, 2025
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