Amper SA GJR-GARCH Volatility Analysis
Volatility Prediction for Monday, February 16th, 2026:38.76% (-2.34%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.5026 | 25.92 | |
| 0.1150 | 25.13 | |
| 0.8066 | 210.05 | |
| 0.0779 | 7.10 |
Estimation Period:
Jan 1, 1990 to Feb 13, 2026
Jan 1, 1990 to Feb 13, 2026
News Impact Curve
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