| 日期 | 品名 | 库存 | 增减 |
| 2021-8-30 | 钴 | 286 | 0 |
| 2021-8-31 | 钴 | 286 | 0 |
| 2021-9-1 | 钴 | 286 | 0 |
| 2021-9-2 | 钴 | 286 | 0 |
| 2021-9-3 | 钴 | 286 | 0 |
| 2021-9-6 | 钴 | 285 | -1 |
| 2021-9-7 | 钴 | 285 | 0 |
| 2021-9-8 | 钴 | 285 | 0 |
| 2021-9-10 | 钴 | 285 | 0 |
| 2021-9-13 | 钴 | 285 | 0 |
| 2021-9-15 | 钴 | 285 | 0 |
| 2021-9-16 | 钴 | 285 | 0 |
| 2021-9-17 | 钴 | 285 | 0 |
| 2021-9-21 | 钴 | 285 | 0 |
| 2021-9-22 | 钴 | 280 | -5 |
(关键字：金属钴 LME 库存)