American Express Co GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:24.66% (+0.13%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 4.9814 | 4.89 | |
| 0.0689 | 55.48 | |
| 0.9946 | 893.65 | |
| 5.5952 | 14.36 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
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