Alten SA GJR-GARCH Volatility Analysis
Volatility Prediction for Tuesday, February 17th, 2026:71.12% (+2.23%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.1033 | 18.65 | |
| 0.0314 | 16.36 | |
| 0.9099 | 411.91 | |
| 0.0865 | 15.34 |
Estimation Period:
Feb 2, 1999 to Feb 13, 2026
Feb 2, 1999 to Feb 13, 2026
News Impact Curve
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