Past domestic market prices
May 2026
2026-05-27
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| May 1 | - | - | 1469 yen/kg (-61 yen) |
| May 7 | 2180 yen/kg (-50 yen) | 592 yen/kg (-51 yen) | 1506 yen/kg (+37 yen) |
| May 11 | 2210 yen/kg (+30 yen) | 592 yen/kg (±0 yen) | 1524 yen/kg (+18 yen) |
| May 12 | 2270 yen/kg (+60 yen) | 610 yen/kg (+18 yen) | 1567 yen/kg (+43 yen) |
| May 14 | 2310 yen/kg (+40 yen) | 610 yen/kg (±0 yen) | 1591 yen/kg (+24 yen) |
| May 15 | 2310 yen/kg (±0 yen) | 631 yen/kg (+21 yen) | 1591 yen/kg (±0 yen) |
| May 18 | 2240 yen/kg (-70 yen) | 631 yen/kg (±0 yen) | 1557 yen/kg (-34 yen) |
| May 20 | 2220 yen/kg (-20 yen) | 622 yen/kg (-9 yen) | 1541 yen/kg (-16 yen) |
| May 22 | 2250 yen/kg (+30 yen) | 622 yen/kg (±0 yen) | 1559 yen/kg (+18 yen) |
| May 26 | 2250 yen/kg (±0 yen) | 631 yen/kg (+9 yen) | 1559 yen/kg (±0 yen) |
| May 27 | 2250 yen/kg (±0 yen) | 631 yen/kg (±0 yen) | 1563 yen/kg (+4 yen) |
April 2026
2026-04-28
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| April 1 | 2040 yen/kg (±0 yen) | 571 yen/kg (+39 yen) | 1413 yen/kg (+16 yen) |
| April 6 | 2040 yen/kg (±0 yen) | 586 yen/kg (+15 yen) | 1413 yen/kg (±0 yen) |
| April 7 | 2050 yen/kg (+10 yen) | 586 yen/kg (±0 yen) | 1425 yen/kg (+12 yen) |
| April 9 | 2090 yen/kg (+40 yen) | 586 yen/kg (±0 yen) | 1449 yen/kg (+24 yen) |
| April 10 | 2090 yen/kg (±0 yen) | 595 yen/kg (+9 yen) | 1449 yen/kg (±0 yen) |
| April 13 | 2140 yen/kg (+50 yen) | 595 yen/kg (±0 yen) | 1483 yen/kg (+34 yen) |
| April 15 | 2200 yen/kg (+60 yen) | 598 yen/kg (+3 yen) | 1520 yen/kg (+37 yen) |
| April 20 | 2210 yen/kg (+10 yen) | 628 yen/kg (+30 yen) | 1538 yen/kg (+18 yen) |
| April 22 | 2180 yen/kg (-30 yen) | 628 yen/kg (±0 yen) | 1520 yen/kg (-18 yen) |
| April 23 | 2230 yen/kg (+50 yen) | 643 yen (+15 yen) | 1556 yen/kg (+36 yen) |
| April 28 | 2230 yen/kg (±0 yen) | 643 yen/kg (±0 yen) | 1530 yen/kg (-26 yen) |
March 2026
2026-03-26
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| March 2 | 2170 yen/kg (+30 yen) | 577 yen/kg (+3 yen) | 1493 yen/kg (+19 yen) |
| March 4 | 2130 yen/kg (-40 yen) | 577 yen/kg (±0 yen) | 1469 yen/kg (-24 yen) |
| March 5 | 2130 yen/kg (±0 yen) | 583 yen/kg (+6 yen) | 1469 yen/kg (±0 yen) |
| March 9 | 2120 yen/kg (-10 yen) | 583 yen/kg (±0 yen) | 1465 yen/kg (-4 yen) |
| March 11 | 2150 yen/kg (+30 yen) | 589 yen/kg (+6 yen) | 1485 yen/kg (+20 yen) |
| March 16 | 2110 yen/kg (-40 yen) | 583 yen/kg (-6 yen) | 1459 yen/kg (-26 yen) |
| March 19 | 2050 yen/kg (-50 yen) | 550 yen/kg (-33 yen) | 1410 yen/kg (-49 yen) |
| March 23 | 1960 yen/kg (-90 yen) | 550 yen/kg (±0 yen) | 1356 yen/kg (-54 yen) |
| March 24 | 2010 yen/kg (+50 yen) | 550 yen/kg (±0 yen) | 1386 yen/kg (+30 yen) |
| March 26 | 2040 yen/kg (+30 yen) | 532 yen/kg (-18 yen) | 1397 yen/kg (+11 yen) |
February 2026
2026-02-25
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| February 2 | 2110 yen/kg (-70 yen) | 586 yen/kg (±0 yen) | 1460 yen/kg (-42 yen) |
| February 4 | 2170 yen/kg (+60 yen) | 586 yen/kg (±0 yen) | 1496 yen/kg (+36 yen) |
| February 5 | 2170 yen/kg (±0 yen) | 577 yen/kg (-9 yen) | 1462 yen/kg (-34 yen) |
| February 6 | 2100 yen/kg (-70 yen) | 577 yen/kg (±0 yen) | 1450 yen/kg (-12 yen) |
| February 10 | 2140 yen/kg (+40 yen) | 586 yen/kg (+9 yen) | 1478 yen/kg (+28 yen) |
| February 13 | 2040 yen/kg (-100 yen) | 586 yen/kg (±0 yen) | 1418 yen/kg (-60 yen) |
| February 16 | 2040 yen/kg (±0 yen) | 565 yen/kg (-21 yen) | 1418 yen/kg (±0 yen) |
| February 18 | 2020 yen/kg (-20 yen) | 565 yen/kg (±0 yen) | 1398 yen/kg (-20 yen) |
| February 19 | 2020 yen/kg (±0 yen) | 565 yen/kg (±0 yen) | 1432 yen/kg (+34 yen) |
| February 20 | 2070 yen/kg (+50 yen) | 565 yen/kg (±0 yen) | 1428 yen/kg (-4 yen) |
| February 24 | 2070 yen/kg (±0 yen) | 574 yen/kg (+9 yen) | 1428 yen/kg (±0 yen) |
| February 25 | 2140 yen/kg (+70 yen) | 574 yen/kg (±0 yen) | 1474 yen/kg (+46 yen) |
January 2026
2026-01-30
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| January 5 | 2050 yen/kg (+130 yen) | 547 yen/kg (+15 yen) | 1409 yen/kg (+84 yen) |
| January 6 | 2150 yen/kg (+100 yen) | 547 yen/kg (±0 yen) | 1469 yen/kg (+60 yen) |
| January 8 | 2110 yen/kg (-40 yen) | 553 yen/kg (+6 yen) | 1447 yen/kg (-22 yen) |
| January 13 | 2190 yen/kg (+80 yen) | 553 yen/kg (±0 yen) | 1495 yen/kg (+48 yen) |
| January 14 | 2190 yen/kg (±0 yen) | 571 yen/kg (+18 yen) | 1495 yen/kg (±0 yen) |
| January 19 | 2120 yen/kg (-70 yen) | 568 yen/kg (-3 yen) | 1459 yen/kg (-36 yen) |
| January 22 | 2120 yen/kg (±0 yen) | 565 yen/kg (-3 yen) | 1459 yen/kg (±0 yen) |
| January 27 | 2120 yen/kg (±0 yen) | 586 yen/kg (+21 yen) | 1459 yen/kg (±0 yen) |
| January 28 | 2060 yen/kg (-60 yen) | 586 yen/kg (±0 yen) | 1430 yen/kg (-29 yen) |
| January 30 | 2180 yen/kg (+120 yen) | 586 yen/kg (±0 yen) | 1502 yen/kg (+72 yen) |