Helio SA Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, February 12th, 2026:35.30% (-2.26%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.5166 | 7.70 | |
| 0.1639 | 6.26 | |
| 0.4539 | 6.14 | |
| 0.1351 | 3.24 | |
| -0.1754 | -2.62 | |
| 0.0879 | 1.60 | |
| -0.0752 | -1.59 | |
| -0.0063 | -0.13 | |
| 0.0646 | 1.72 |
Estimation Period:
May 14, 2007 to Feb 6, 2026
May 14, 2007 to Feb 6, 2026
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