American Express Co GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, December 15th, 2025:28.12% (-1.24%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 5.0180 | 4.91 | |
| 0.0689 | 55.92 | |
| 0.9947 | 907.56 | |
| 5.5959 | 14.49 |
Estimation Period:
Jan 2, 1990 to Dec 12, 2025
Jan 2, 1990 to Dec 12, 2025
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