Hengyi Petrochemical Co Ltd Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:52.67% (+2.48%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.4052 | 7.48 | |
| 0.0903 | 8.97 | |
| 0.8752 | 59.75 | |
| 0.0545 | 4.90 | |
| -0.0859 | -4.87 | |
| 0.0371 | 2.58 | |
| -0.0090 | -0.44 |
Estimation Period:
Mar 28, 1997 to Feb 6, 2026
Mar 28, 1997 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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