WPP PLC Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 20th, 2026:51.93% (-2.70%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7921 | 4.88 | |
| 0.0969 | 7.52 | |
| 0.8362 | 36.61 | |
| -0.3701 | -6.99 | |
| 0.5951 | 6.99 | |
| -0.2903 | -4.76 | |
| -0.0141 | -0.31 | |
| 0.2180 | 5.67 | |
| -0.2581 | -7.03 | |
| 0.2120 | 4.49 | |
| -0.1215 | -2.01 | |
| 0.0348 | 0.49 | |
| -0.0192 | -0.31 |
Estimation Period:
Jan 1, 1990 to Feb 13, 2026
Jan 1, 1990 to Feb 13, 2026
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