Amgen Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 20th, 2026:31.61% (-1.27%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2119 | 6.60 | |
| 0.0853 | 8.44 | |
| 0.8337 | 40.09 | |
| -0.0393 | -1.16 | |
| 0.1099 | 2.23 | |
| -0.1766 | -5.35 | |
| 0.1881 | 5.43 | |
| -0.1277 | -3.26 | |
| 0.0831 | 2.31 | |
| -0.0666 | -1.84 | |
| 0.0625 | 1.59 | |
| -0.0520 | -1.77 |
Estimation Period:
Jan 2, 1990 to Feb 13, 2026
Jan 2, 1990 to Feb 13, 2026
News Impact Curve
Volatility Forecasts
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