Korea Petroleum Industries Co Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:137.77% (+54.43%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8502 | 4.77 | |
| 0.2703 | 8.48 | |
| 0.6712 | 22.18 | |
| 0.0084 | 0.19 | |
| 0.0366 | 0.56 | |
| -0.1968 | -4.02 | |
| 0.3017 | 6.42 | |
| -0.2360 | -4.92 | |
| 0.1097 | 1.81 | |
| -0.0081 | -0.12 | |
| -0.0351 | -0.44 | |
| 0.0624 | 0.67 | |
| -0.0769 | -1.21 |
Estimation Period:
Jan 3, 1990 to Feb 20, 2026
Jan 3, 1990 to Feb 20, 2026
News Impact Curve
Volatility Forecasts
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