AT&T Inc MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, May 21st, 2026
1 Day
24.38%
decreased by 1.22%
1 Week
24.35%
decreased by 1.25%
1 Month
24.31%
decreased by 1.29%
Analysis last updated: Thursday, May 21, 2026 at 02:52 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 61 | ||
| 0.0548 | 20.12 | |
| 0.8201 | 94.42 | |
| 0.0578 | 13.42 | |
| 0.0105 | 2.49 | |
| 0.0381 | 3.46 | |
| 0.9578 | 75.27 |
Estimation Period:
Jan 2, 1990 to May 15, 2026
Jan 2, 1990 to May 15, 2026
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