American Express Co GARCH Volatility Analysis
Volatility Prediction for Monday, December 8th, 2025:25.02% (-0.89%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0390 | 19.33 | |
| 0.0772 | 43.56 | |
| 0.9165 | 538.79 |
Estimation Period:
Jan 2, 1990 to Dec 5, 2025
Jan 2, 1990 to Dec 5, 2025
News Impact Curve
Volatility Forecasts
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