Halma PLC GJR-GARCH Volatility Analysis
Volatility Prediction for Tuesday, February 10th, 2026:21.33% (+0.45%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.1447 | 16.03 | |
| 0.0699 | 16.55 | |
| 0.8468 | 140.50 | |
| 0.0598 | 6.77 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
News Impact Curve
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