American Express Co GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, June 9th, 2026
1 Day
23.32%
decreased by 0.95%
1 Week
23.48%
decreased by 0.79%
1 Month
24.10%
decreased by 0.17%
Analysis last updated: Monday, June 8, 2026 at 09:39 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 4.9714 | 4.86 | |
| 0.0685 | 55.80 | |
| 0.9946 | 884.09 | |
| 5.5310 | 14.59 |
Estimation Period:
Jan 2, 1990 to Jun 5, 2026
Jan 2, 1990 to Jun 5, 2026
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