POSCO Holdings Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:46.88% (-1.43%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7905 | 7.10 | |
| 0.0818 | 9.03 | |
| 0.8608 | 55.35 | |
| -0.0061 | -0.18 | |
| 0.0548 | 1.06 | |
| -0.1623 | -4.04 | |
| 0.2158 | 5.82 | |
| -0.1882 | -5.29 | |
| 0.1697 | 5.01 | |
| -0.1270 | -3.60 | |
| 0.0665 | 2.01 | |
| -0.0377 | -1.59 |
Estimation Period:
Jan 3, 1990 to Feb 6, 2026
Jan 3, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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