Biogen Inc AGARCH Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:46.89% (-1.72%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.3035 | 11.39 | |
| 0.0861 | 25.72 | |
| 0.8932 | 249.71 | |
| 0.5633 | 3.16 |
Estimation Period:
Sep 18, 1991 to Feb 13, 2026
Sep 18, 1991 to Feb 13, 2026
News Impact Curve
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