Past domestic market prices
August 2026
2026-08-26
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| August 3 | 2280 yen/kg (-80 yen) | 649 yen/kg (-42 yen) | 1587 yen/kg (-18 yen) |
| August 5 | 2330 yen/kg (+50 yen) | 649 yen/kg (±0 yen) | 1617 yen/kg (+30 yen) |
| August 7 | 2330 yen/kg (±0 yen) | 676 yen/kg (+27 yen) | 1617 yen/kg (±0 yen) |
| August 12 | 2380 yen/kg (+50 yen) | 676 yen/kg (±0 yen) | 1617 yen/kg (±0 yen) |
| August 17 | 2420 yen/kg (+40 yen) | 685 yen/kg (+9 yen) | 1685 yen/kg (+68 yen) |
| August 19 | 2360 yen/kg (-60 yen) | 685 yen/kg (±0 yen) | 1649 yen/kg (-36 yen) |
| August 20 | 2360 yen/kg (±0 yen) | 670 yen/kg (-15 yen) | 1649 yen/kg (±0 yen) |
| August 21 | 2340 yen/kg (-20 yen) | 670 yen/kg (±0 yen) | 1631 yen/kg (-18 yen) |
| August 24 | 2340 yen/kg (±0 yen) | 670 yen/kg (±0 yen) | 1654 yen/kg (+23 yen) |
| August 25 | 2380 yen/kg (+40 yen) | 670 yen/kg (±0 yen) | 1666 yen/kg (+12 yen) |
| August 26 | 2380 yen/kg (±0 yen) | 727 yen/kg (+57 yen) | 1690 yen/kg (+24 yen) |
July 2026
2026-07-31
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| July 1 | 2270 yen/kg (+30 yen) | 649 yen/kg (+36 yen) | 1582 yen/kg (+36 yen) |
| July 3 | 2230 yen/kg (-40 yen) | 649 yen/kg (±0 yen) | 1558 yen/kg (-24 yen) |
| July 6 | 2230 yen/kg (±0 yen) | 640 yen/kg (-9 yen) | 1558 yen/kg (±0 yen) |
| July 7 | 2260 yen/kg (+30 yen) | 640 yen/kg (±0 yen) | 1572 yen/kg (+14 yen) |
| July 9 | 2240 yen/kg (-20 yen) | 640 yen/kg (±0 yen) | 1560 yen/kg (-12 yen) |
| July 10 | 2240 yen/kg (±0 yen) | 658 yen/kg (+18 yen) | 1585 yen/kg (+25 yen) |
| July 13 | 2270 yen/kg (+30 yen) | 658 yen/kg (±0 yen) | 1585 yen/kg (±0 yen) |
| July 15 | 2290 yen/kg (+20 yen) | 646 yen/kg (-12 yen) | 1592 yen/kg (+7 yen) |
| July 21 | 2310 yen/kg (+20 yen) | 637 yen/kg (-9 yen) | 1600 yen/kg (+8 yen) |
| July 22 | 2370 yen/kg (+60 yen) | 637 yen/kg (±0 yen) | 1636 yen/kg (+36 yen) |
| July 24 | 2320 yen/kg (-50 yen) | 637 yen/kg (±0 yen) | 1606 yen/kg (-30 yen) |
| July 28 | 2360 yen/kg (+40 yen) | 691 yen/kg (+54 yen) | 1652 yen/kg (+46 yen) |
| July 31 | 2360 yen/kg (±0 yen) | 691 yen/kg (±0 yen) | 1605 yen/kg (-47 yen) |
June 2026
2026-06-26
| Domestic copper price | Domestic zinc price | N Company brass turning powder | |
| June 1 | 2260 yen/kg (+10 yen) | 628 yen/kg (-3 yen) | 1568 yen/kg (+5 yen) |
| June 3 | 2330 yen/kg (+70 yen) | 628 yen/kg (±0 yen) | 1610 yen/kg (+42 yen) |
| June 4 | 2330 yen/kg (±0 yen) | 643 yen/kg (+15 yen) | 1610 yen/kg (±0 yen) |
| June 8 | 2260 yen/kg (-70 yen) | 643 yen/kg (±0 yen) | 1574 yen/kg (-36 yen) |
| June 9 | 2260 yen/kg (±0 yen) | 631 yen/kg (-12 yen) | 1574 yen/kg (±0 yen) |
| June 11 | 2250 yen/kg (-10 yen) | 631 yen/kg (±0 yen) | 1563 yen/kg (-11 yen) |
| June 15 | 2250 yen/kg (±0 yen) | 640 yen/kg (+9 yen) | 1563 yen/kg (±0 yen) |
| June 16 | 2290 yen/kg (+40 yen) | 640 yen/kg (±0 yen) | 1591 yen/kg (+28 yen) |
| June 18 | 2290 yen/kg (±0 yen) | 646 yen/kg (+6 yen) | 1591 yen/kg (±0 yen) |
| June 22 | 2280 yen/kg (-10 yen) | 646 yen/kg (±0 yen) | 1587 yen/kg (-4 yen) |
| June 24 | 2240 yen/kg (-40 yen) | 646 yen/kg (±0 yen) | 1563 yen/kg (-24 yen) |
| June 25 | 2240 yen/kg (±0 yen) | 613 yen/kg (-33 yen) | 1526 yen/kg (-37 yen) |
| June 26 | 2240 yen/kg (±0 yen) | 613 yen/kg (±0 yen) | 1546 yen/kg (+20 yen) |
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) |