American Express Co GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, October 13th, 2025:22.04% (+2.63%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 4.9902 | 4.91 | |
| 0.0690 | 55.74 | |
| 0.9947 | 911.74 | |
| 5.6258 | 14.36 |
Estimation Period:
Jan 2, 1990 to Oct 10, 2025
Jan 2, 1990 to Oct 10, 2025
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