AT&T Inc GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, December 8th, 2025:18.02% (-0.68%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 2.8548 | 4.40 | |
| 0.0699 | 32.64 | |
| 0.9909 | 480.09 | |
| 5.7241 | 8.24 |
Estimation Period:
Jan 2, 1990 to Dec 5, 2025
Jan 2, 1990 to Dec 5, 2025
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