Sopra Steria Group Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:44.17% (-1.13%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9988 | 6.59 | |
| 0.1704 | 7.72 | |
| 0.6980 | 23.48 | |
| 0.0307 | 0.89 | |
| 0.0343 | 0.67 | |
| -0.1954 | -6.22 | |
| 0.2187 | 7.85 | |
| -0.1176 | -3.67 | |
| 0.0440 | 1.31 | |
| -0.0092 | -0.22 | |
| -0.0353 | -0.59 | |
| 0.0717 | 0.85 |
Estimation Period:
Mar 28, 1990 to Feb 6, 2026
Mar 28, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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