Spark New Zealand Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, February 12th, 2026:19.12% (-0.63%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.0721 | 7.50 | |
| 0.0918 | 6.92 | |
| 0.8355 | 38.80 | |
| -0.0273 | -0.57 | |
| 0.0995 | 1.34 | |
| -0.1915 | -4.23 | |
| 0.2537 | 7.77 | |
| -0.2234 | -7.82 | |
| 0.1205 | 3.97 | |
| -0.0652 | -1.92 | |
| 0.0772 | 1.78 | |
| -0.0597 | -1.44 |
Estimation Period:
Jul 18, 1991 to Feb 5, 2026
Jul 18, 1991 to Feb 5, 2026
News Impact Curve
Volatility Forecasts
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