Poongsan Holdings Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 6th, 2026:41.90% (+0.35%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9569 | 5.77 | |
| 0.1086 | 7.65 | |
| 0.8554 | 45.27 | |
| -0.0147 | -0.35 | |
| 0.0609 | 1.01 | |
| -0.1411 | -3.47 | |
| 0.1860 | 4.20 | |
| -0.1718 | -3.75 | |
| 0.1214 | 2.63 | |
| -0.0374 | -0.68 | |
| 0.0152 | 0.25 | |
| -0.0375 | -0.85 |
Estimation Period:
Jan 3, 1990 to Jan 30, 2026
Jan 3, 1990 to Jan 30, 2026
News Impact Curve
Volatility Forecasts
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