BK Artha Graha INT Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:86.10% (+18.15%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.1929 | 2.90 | |
| 0.1861 | 6.39 | |
| 0.7792 | 24.14 | |
| 0.5385 | 3.48 | |
| -1.1170 | -4.94 | |
| 1.0205 | 5.06 | |
| -0.7799 | -3.70 | |
| 0.6386 | 3.85 | |
| -0.5635 | -2.46 | |
| 0.5111 | 2.38 | |
| -0.3833 | -2.54 | |
| 0.1640 | 1.29 |
Estimation Period:
Sep 4, 1990 to Feb 6, 2026
Sep 4, 1990 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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