Halma PLC GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:20.70% (-0.71%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.1479 | 18.53 | |
| 0.1048 | 27.94 | |
| 0.8396 | 142.45 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
News Impact Curve
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