SPT Energy Group Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:151.62% (-22.06%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7204 | 4.21 | |
| 0.1371 | 5.65 | |
| 0.6981 | 12.88 | |
| -0.2355 | -0.49 | |
| 0.5004 | 0.70 | |
| -0.8716 | -1.64 | |
| 1.3207 | 2.62 | |
| -1.2733 | -2.66 | |
| 0.9706 | 2.26 | |
| -0.7037 | -1.79 | |
| 0.3219 | 0.95 | |
| 0.3492 | 0.79 | |
| -0.6780 | -1.55 |
Estimation Period:
Dec 27, 2011 to Feb 6, 2026
Dec 27, 2011 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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