| 日期 | 品名 | 库存 | 增减 |
| 2018-7-18 | 钴 | 615 | 0 |
| 2018-7-17 | 钴 | 615 | -23 |
| 2018-7-16 | 钴 | 638 | 0 |
| 2018-7-13 | 钴 | 638 | 0 |
| 2018-7-12 | 钴 | 638 | -2 |
| 2018-7-11 | 钴 | 640 | 0 |
| 2018-7-10 | 钴 | 640 | -1 |
| 2018-7-9 | 钴 | 641 | 0 |
| 2018-7-6 | 钴 | 641 | -3 |
| 2018-7-5 | 钴 | 644 | 0 |
| 2018-7-4 | 钴 | 644 | +16 |
| 2018-7-3 | 钴 | 628 | -8 |
| 2018-7-2 | 钴 | 636 | 0 |
(关键字：金属钴 LME 库存)