Grazziotin Sa APARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:41.83% (-1.19%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.2699 | 9.47 | |
| 0.0792 | 16.63 | |
| 0.8701 | 128.26 | |
| 0.0287 | 1.44 | |
| 2.0307 | 28.10 |
Estimation Period:
Jun 22, 2005 to Feb 6, 2026
Jun 22, 2005 to Feb 6, 2026
News Impact Curve
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