Amgen Inc AGARCH Volatility Analysis
Volatility Prediction for Friday, February 20th, 2026:33.86% (-1.37%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0952 | 18.45 | |
| 0.0868 | 45.15 | |
| 0.8902 | 406.65 | |
| 0.3981 | 9.14 |
Estimation Period:
Jan 2, 1990 to Feb 13, 2026
Jan 2, 1990 to Feb 13, 2026
News Impact Curve
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