American Express Co AGARCH Volatility Analysis
Volatility prediction for Monday, April 27th, 2026
1 Day
30.95%
decreased by 0.54%
1 Week
31.12%
decreased by 0.37%
1 Month
31.74%
increased by 0.25%
Analysis last updated: Friday, April 24, 2026 at 10:14 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| -0.0155 | -3.84 | |
| 0.0736 | 53.74 | |
| 0.9184 | 689.49 | |
| 0.9508 | 28.09 |
Estimation Period:
Jan 2, 1990 to Apr 24, 2026
Jan 2, 1990 to Apr 24, 2026
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