American Express Co GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, November 24th, 2025:26.99% (+2.44%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 5.0174 | 4.91 | |
| 0.0690 | 55.90 | |
| 0.9947 | 905.07 | |
| 5.5893 | 14.53 |
Estimation Period:
Jan 2, 1990 to Nov 21, 2025
Jan 2, 1990 to Nov 21, 2025
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