Summa Defence OYJ Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:106.57% (+9.33%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.6329 | 1.93 | |
| 0.3900 | 4.69 | |
| 0.6072 | 7.23 | |
| 0.2154 | 0.06 | |
| -5.0104 | -0.94 | |
| 8.3881 | 2.55 | |
| -3.4056 | -1.50 | |
| -2.4104 | -1.18 | |
| 3.3233 | 2.28 |
Estimation Period:
Aug 6, 2020 to Feb 6, 2026
Aug 6, 2020 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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