Korea Petroleum Industries Co Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 20th, 2026:83.32% (+20.74%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8559 | 4.79 | |
| 0.2697 | 8.48 | |
| 0.6720 | 22.28 | |
| 0.0099 | 0.23 | |
| 0.0349 | 0.53 | |
| -0.1968 | -4.00 | |
| 0.3015 | 6.41 | |
| -0.2344 | -4.85 | |
| 0.1068 | 1.75 | |
| -0.0050 | -0.07 | |
| -0.0377 | -0.46 | |
| 0.0637 | 0.68 | |
| -0.0765 | -1.20 |
Estimation Period:
Jan 3, 1990 to Feb 13, 2026
Jan 3, 1990 to Feb 13, 2026
News Impact Curve
Volatility Forecasts
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