PSI 20 Portuguese Stock Index Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, March 19th, 2026:14.68% (-0.78%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8099 | 5.56 | |
| 0.1500 | 10.14 | |
| 0.8022 | 49.05 | |
| 0.0962 | 3.71 | |
| -0.1998 | -5.52 | |
| 0.1881 | 7.99 | |
| -0.1154 | -4.87 | |
| 0.0081 | 0.33 | |
| 0.0503 | 2.17 | |
| -0.0355 | -2.16 |
Estimation Period:
Dec 30, 1992 to Mar 13, 2026
Dec 30, 1992 to Mar 13, 2026
News Impact Curve
Volatility Forecasts
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