Astra International Tbk (Pt) Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:43.60% (-2.40%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.0483 | 3.58 | |
| 0.1439 | 6.79 | |
| 0.8078 | 31.40 | |
| -0.1044 | -0.87 | |
| 0.2320 | 1.34 | |
| -0.2625 | -3.08 | |
| 0.2142 | 3.43 | |
| -0.0949 | -1.14 | |
| -0.0052 | -0.05 | |
| 0.0230 | 0.37 | |
| 0.0335 | 0.70 | |
| -0.0647 | -1.13 | |
| 0.0390 | 0.82 |
Estimation Period:
Apr 4, 1990 to Feb 13, 2026
Apr 4, 1990 to Feb 13, 2026
News Impact Curve
Volatility Forecasts
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