Hangzhou Guotai Environmenta Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:39.78% (+17.36%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.0683 | 0.08 | |
| 0.4460 | 0.02 | |
| 0.5540 | 0.02 | |
| -67.3884 | -0.04 | |
| 89.6148 | 0.04 | |
| -28.1181 | -0.04 | |
| 6.4632 | 0.02 | |
| -3.5687 | -0.30 | |
| 5.2640 | 0.06 |
Estimation Period:
Apr 5, 2023 to Feb 6, 2026
Apr 5, 2023 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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