Amphastar Pharmaceuticals Inc Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:38.39% (-4.77%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.3503 | 4.11 | |
| 0.1484 | 3.27 | |
| 0.3850 | 3.44 | |
| 0.8245 | 1.64 | |
| -1.3311 | -1.55 | |
| 0.7313 | 0.98 | |
| -0.4509 | -0.76 | |
| 0.6823 | 1.83 | |
| -0.7552 | -1.99 | |
| 0.2529 | 0.56 | |
| 0.1984 | 0.34 |
Estimation Period:
Jun 25, 2014 to Feb 13, 2026
Jun 25, 2014 to Feb 13, 2026
News Impact Curve
Volatility Forecasts
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