Cia Siderurgica Nacional SA Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:55.53% (-2.53%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 2.9276 | 4.83 | |
| 0.0727 | 7.74 | |
| 0.8858 | 60.84 | |
| 0.1845 | 4.02 | |
| -0.2472 | -3.27 | |
| 0.0653 | 1.26 | |
| 0.0340 | 1.00 | |
| -0.0530 | -2.04 | |
| 0.0021 | 0.09 | |
| 0.0246 | 1.62 |
Estimation Period:
Aug 2, 1993 to Feb 20, 2026
Aug 2, 1993 to Feb 20, 2026
News Impact Curve
Volatility Forecasts
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