Helbor Empreendimentos Sa Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Tuesday, February 10th, 2026:50.49% (+5.38%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2218 | 5.28 | |
| 0.0525 | 4.98 | |
| 0.9202 | 58.65 | |
| 0.0722 | 5.13 | |
| -0.1020 | -5.03 | |
| 0.0344 | 2.98 |
Estimation Period:
Oct 31, 2007 to Feb 6, 2026
Oct 31, 2007 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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