American Express Co GARCH Volatility Analysis
Volatility prediction for Monday, April 6th, 2026
1 Day
27.40%
decreased by 1.03%
1 Week
27.59%
decreased by 0.84%
1 Month
28.30%
decreased by 0.13%
Analysis last updated: Thursday, April 2, 2026 at 10:22 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0399 | 19.63 | |
| 0.0779 | 43.83 | |
| 0.9157 | 537.36 |
Estimation Period:
Jan 2, 1990 to Apr 2, 2026
Jan 2, 1990 to Apr 2, 2026
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