Joongang Advanced Materials Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:71.91% (-3.18%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.5452 | 5.06 | |
| 0.2262 | 6.31 | |
| 0.5510 | 10.23 | |
| -0.6675 | -3.21 | |
| 0.9055 | 3.04 | |
| -0.3510 | -1.68 | |
| 0.4695 | 1.85 | |
| -0.6886 | -2.56 | |
| 0.4494 | 1.71 | |
| -0.1784 | -0.66 | |
| 0.0730 | 0.28 | |
| -0.0151 | -0.06 | |
| 0.0048 | 0.03 |
Estimation Period:
Jul 31, 2007 to Feb 6, 2026
Jul 31, 2007 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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