| Data | cambio €/$ | LME $/ton | Rame €/ton |
| 22/02/2012 | 1.3230 | 8.391,00 | 6.342,40 |
| 21/02/2012 | 1.3222 | 8.325,00 | 6.296,32 |
| 20/02/2012 | 1.3266 | 8.234,00 | 6.206,84 |
| Data | cambio €/$ | LME $/ton | Rame €/ton |
| 22/02/2012 | 1.3230 | 8.391,00 | 6.342,40 |
| 21/02/2012 | 1.3222 | 8.325,00 | 6.296,32 |
| 20/02/2012 | 1.3266 | 8.234,00 | 6.206,84 |