Hengyuan Refining Co Bhd Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, February 12th, 2026:39.90% (+4.30%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.5482 | 2.89 | |
| 0.1140 | 6.63 | |
| 0.8481 | 33.17 | |
| 0.1069 | 2.65 | |
| -0.1905 | -3.43 | |
| 0.1384 | 3.09 | |
| -0.1037 | -2.24 | |
| 0.1139 | 2.78 | |
| -0.0682 | -1.81 | |
| -0.0273 | -0.71 | |
| 0.0355 | 1.18 |
Estimation Period:
Jan 2, 1990 to Feb 6, 2026
Jan 2, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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