Refinaria Petroleo Manguinh APARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:115.05% (-5.41%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8118 | 3.89 | |
| 0.0642 | 8.88 | |
| 0.8957 | 124.00 | |
| 0.0126 | 0.46 | |
| 2.1045 | 15.85 |
Estimation Period:
Jan 27, 2005 to Feb 6, 2026
Jan 27, 2005 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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