Grazziotin Sa Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:45.21% (-1.23%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8370 | 2.67 | |
| 0.1142 | 5.26 | |
| 0.7717 | 19.17 | |
| -0.5398 | -1.26 | |
| 0.8988 | 1.48 | |
| -0.6988 | -1.89 | |
| 0.8746 | 2.70 | |
| -1.1092 | -4.17 | |
| 0.8661 | 4.02 | |
| -0.2913 | -1.55 | |
| -0.2731 | -1.45 | |
| 0.6455 | 3.58 | |
| -0.5248 | -3.97 |
Estimation Period:
Jun 22, 2005 to Feb 6, 2026
Jun 22, 2005 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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