PSI 20 Portuguese Stock Index Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Tuesday, February 3rd, 2026:11.77% (-0.18%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8156 | 5.61 | |
| 0.1537 | 10.40 | |
| 0.7976 | 48.60 | |
| 0.0983 | 3.81 | |
| -0.2036 | -5.64 | |
| 0.1904 | 8.05 | |
| -0.1159 | -4.83 | |
| 0.0084 | 0.34 | |
| 0.0464 | 2.07 | |
| -0.0293 | -1.94 |
Estimation Period:
Dec 30, 1992 to Jan 30, 2026
Dec 30, 1992 to Jan 30, 2026
News Impact Curve
Volatility Forecasts
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