Astra International Tbk (Pt) Spline-GARCH Volatility Analysis
Volatility Prediction for Wednesday, February 18th, 2026:47.47% (-2.28%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9840 | 3.44 | |
| 0.1401 | 6.96 | |
| 0.8121 | 32.88 | |
| -0.1375 | -1.15 | |
| 0.2878 | 1.66 | |
| -0.3012 | -3.53 | |
| 0.2404 | 3.83 | |
| -0.1112 | -1.33 | |
| 0.0047 | 0.05 | |
| 0.0125 | 0.20 | |
| 0.0572 | 1.16 | |
| -0.1203 | -1.91 | |
| 0.1800 | 1.91 |
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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