Petroleo Brasileiro SA APARCH Volatility Analysis
Volatility Prediction for Friday, February 20th, 2026:33.98% (+0.13%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.4511 | 2.55 | |
| 0.0403 | 6.60 | |
| 0.9120 | 148.99 | |
| 0.1186 | 7.97 | |
| 2.8851 | 12.04 |
Estimation Period:
Sep 24, 1992 to Feb 13, 2026
Sep 24, 1992 to Feb 13, 2026
News Impact Curve
Volatility Forecasts
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