Spark New Zealand Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:20.40% (-0.42%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.5566 | 6.33 | |
| 0.0644 | 7.05 | |
| 0.8939 | 61.58 | |
| -0.0029 | -0.07 | |
| -0.0357 | -0.55 | |
| 0.1426 | 3.50 | |
| -0.1877 | -5.89 | |
| 0.1258 | 3.62 | |
| -0.0966 | -2.30 | |
| 0.1247 | 2.03 | |
| -0.1005 | -1.64 |
Estimation Period:
Oct 2, 1991 to Feb 6, 2026
Oct 2, 1991 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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