| 日期 | 品名 | 库存 | 增减 |
| 2017-9-21 | 钴 | 820 | 0 |
| 2017-9-20 | 钴 | 820 | +20 |
| 2017-9-18 | 钴 | 800 | +40 |
| 2017-9-15 | 钴 | 760 | +20 |
| 2017-9-14 | 钴 | 740 | 0 |
| 2017-9-13 | 钴 | 740 | 0 |
| 2017-9-12 | 钴 | 740 | -5 |
| 2017-9-11 | 钴 | 745 | -18 |
| 2017-9-8 | 钴 | 763 | 39 |
| 2017-9-7 | 钴 | 724 | 0 |
| 2017-9-6 | 钴 | 724 | 0 |
| 2017-9-5 | 钴 | 724 | -10 |
| 2017-9-4 | 钴 | 734 | -10 |
| 2017-9-1 | 钴 | 744 | 20 |
(关键字：金属钴 LME 库存)