V-Lab
AT&T Inc GJR-GARCH Volatility Analysis
Volatility Prediction for Tuesday, March 11th, 2025:27.52% (-0.71%)
Analysis last updated: Monday, March 10, 2025 at 09:28 PM UTC
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0250 | 19.94 | |
| 0.0405 | 19.50 | |
| 0.9375 | 557.68 | |
| 0.0247 | 6.05 |
Estimation Period:
Jan 2, 1990 to Mar 7, 2025
Jan 2, 1990 to Mar 7, 2025