AT&T Inc AGARCH Volatility Analysis
Volatility Prediction for Friday, December 5th, 2025:18.56% (-0.57%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0352 | 19.59 | |
| 0.0679 | 42.89 | |
| 0.9175 | 564.28 | |
| 0.2190 | 6.63 |
Estimation Period:
Jan 2, 1990 to Nov 28, 2025
Jan 2, 1990 to Nov 28, 2025
News Impact Curve
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