American Electric Power Co Inc GJR-GARCH Volatility Analysis
Volatility prediction for Monday, June 15th, 2026
1 Day
20.70%
decreased by 0.73%
1 Week
20.68%
decreased by 0.75%
1 Month
20.59%
decreased by 0.84%
Analysis last updated: Friday, June 12, 2026 at 10:49 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0314 | 24.96 | |
| 0.0432 | 20.68 | |
| 0.9080 | 470.23 | |
| 0.0581 | 11.83 |
Estimation Period:
Jan 2, 1990 to Jun 12, 2026
Jan 2, 1990 to Jun 12, 2026
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