Serco Group PLC Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:19.33% (-0.09%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.2175 | 3.80 | |
| 0.1493 | 5.39 | |
| 0.6826 | 12.70 | |
| -0.0916 | -2.07 | |
| 0.1807 | 3.10 | |
| -0.2127 | -7.03 | |
| 0.1726 | 7.35 | |
| -0.0201 | -0.82 | |
| -0.0673 | -1.94 | |
| 0.0327 | 0.91 | |
| 0.0213 | 0.89 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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