Jhsf Participacoes Sa Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:32.13% (-0.23%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9909 | 5.50 | |
| 0.0832 | 5.05 | |
| 0.8403 | 25.24 | |
| -0.2254 | -2.71 | |
| 0.4227 | 3.52 | |
| -0.2812 | -4.56 | |
| 0.0835 | 1.86 | |
| -0.0208 | -0.49 | |
| 0.0477 | 1.53 |
Estimation Period:
Apr 12, 2007 to Feb 6, 2026
Apr 12, 2007 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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