Ecopetrol Sa APARCH Volatility Analysis
Volatility Prediction for Wednesday, February 11th, 2026:36.45% (-0.53%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0769 | 14.64 | |
| 0.1088 | 21.55 | |
| 0.8859 | 180.66 | |
| 0.1178 | 6.02 | |
| 1.4965 | 21.25 |
Estimation Period:
Jan 18, 2008 to Feb 6, 2026
Jan 18, 2008 to Feb 6, 2026
News Impact Curve
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