American Express Co Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, June 10th, 2026
1 Day
29.67%
increased by 0.37%
1 Week
30.17%
increased by 0.87%
1 Month
31.97%
increased by 2.67%
Analysis last updated: Tuesday, June 9, 2026 at 09:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.4649 | 7.73 | |
| 0.0802 | 10.61 | |
| 0.9080 | 118.99 | |
| 0.0026 | 3.84 |
Estimation Period:
Jan 2, 1990 to Jun 5, 2026
Jan 2, 1990 to Jun 5, 2026
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