Poongsan Corp Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:54.44% (+0.03%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.5818 | 8.70 | |
| 0.0478 | 4.90 | |
| 0.9242 | 57.05 | |
| 0.0218 | 4.38 | |
| -0.0259 | -4.12 |
Estimation Period:
Jul 30, 2008 to Feb 20, 2026
Jul 30, 2008 to Feb 20, 2026
News Impact Curve
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