Ashtead Group PLC Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:32.22% (-0.07%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.5139 | 5.64 | |
| 0.0897 | 6.70 | |
| 0.8272 | 30.88 | |
| -0.1710 | -2.26 | |
| 0.3373 | 2.99 | |
| -0.2143 | -2.92 | |
| -0.0482 | -0.70 | |
| 0.2032 | 3.64 | |
| -0.1976 | -4.66 | |
| 0.1309 | 3.08 | |
| -0.0430 | -1.01 | |
| 0.0233 | 0.56 | |
| -0.0348 | -1.05 |
Estimation Period:
Jan 1, 1990 to Feb 20, 2026
Jan 1, 1990 to Feb 20, 2026
News Impact Curve
Volatility Forecasts
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