Amgen Inc GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:37.27% (-1.17%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0796 | 21.23 | |
| 0.0714 | 38.33 | |
| 0.9110 | 411.28 |
Estimation Period:
Jan 2, 1990 to Feb 13, 2026
Jan 2, 1990 to Feb 13, 2026
News Impact Curve
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