United States Chatarra de Transformadores de Cobre Precios históricos *Disponible desde Mar, 2012.
| Fecha | Norte América | Costa oeste | Medio Oeste | Costa este |
|---|
| 2026-03-27 | 0.55 | 0.55 | 0.54 | 0.57 |
| 2026-03-26 | 0.55 | 0.55 | 0.54 | 0.57 |
| 2026-03-25 | 0.55 | 0.55 | 0.54 | 0.57 |
| 2026-03-24 | 0.55 | 0.55 | 0.54 | 0.57 |
| 2026-03-23 | 0.55 | 0.55 | 0.54 | 0.57 |
| 2026-03-20 | 0.55 | 0.55 | 0.54 | 0.57 |
| 2026-03-19 | 0.57 | 0.57 | 0.56 | 0.59 |
| 2026-03-18 | 0.57 | 0.57 | 0.56 | 0.59 |
| 2026-03-17 | 0.58 | 0.58 | 0.57 | 0.60 |
| 2026-03-16 | 0.58 | 0.58 | 0.57 | 0.60 |
| 2026-03-13 | 0.58 | 0.58 | 0.57 | 0.60 |
| 2026-03-12 | 0.58 | 0.58 | 0.57 | 0.60 |
| 2026-03-11 | 0.58 | 0.58 | 0.57 | 0.60 |
| 2026-03-10 | 0.58 | 0.58 | 0.57 | 0.60 |