Vale SA Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 16th, 2026:33.83% (+0.30%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2713 | 3.69 | |
| 0.0641 | 6.66 | |
| 0.9126 | 78.53 | |
| -0.0360 | -0.96 | |
| 0.0728 | 1.41 | |
| -0.0643 | -2.22 | |
| 0.0670 | 2.21 | |
| -0.0913 | -2.39 | |
| 0.0783 | 2.52 |
Estimation Period:
Oct 18, 1994 to Feb 13, 2026
Oct 18, 1994 to Feb 13, 2026
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