Chunghwa Chemical Synthesis Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:22.63% (+0.46%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2170 | 4.32 | |
| 0.2022 | 6.61 | |
| 0.6164 | 11.13 | |
| 0.1101 | 0.41 | |
| -0.3786 | -0.96 | |
| 0.7460 | 2.68 | |
| -1.0618 | -4.14 | |
| 1.1982 | 4.72 | |
| -0.8854 | -2.87 | |
| 0.2853 | 0.75 | |
| -0.1535 | -0.42 | |
| 0.1905 | 0.63 | |
| 0.0112 | 0.05 |
Estimation Period:
Dec 10, 2009 to Feb 6, 2026
Dec 10, 2009 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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