| 日期 | 品名 | 库存 | 增减 |
| 2017-4-25 | 钴 | 779 | 0 |
| 2017-4-26 | 钴 | 769 | -10 |
| 2017-4-27 | 钴 | 769 | 0 |
| 2017-4-28 | 钴 | 769 | 0 |
| 2017-5-2 | 钴 | 789 | +20 |
| 2017-5-3 | 钴 | 771 | -18 |
| 2017-5-4 | 钴 | 771 | 0 |
| 2017-5-5 | 钴 | 771 | 0 |
| 2017-5-8 | 钴 | 763 | -8 |
| 2017-5-9 | 钴 | 761 | -2 |
| 2017-5-10 | 钴 | 746 | -15 |
| 2017-5-11 | 钴 | 746 | 0 |
| 2017-5-12 | 钴 | 746 | 0 |
(关键字：金属钴 LME 库存)