| 中国人民银行美元兑人民币汇率 | ||
| 日期 | 现汇买入价 | 外管局中间价 |
| 2021-12-1 | 635.8 | 637.94 |
| 2021-12-2 | 635.4 | 637.19 |
| 2021-12-3 | 636.35 | 637.19 |
| 2021-12-6 | 636.3 | 637.38 |
| 2021-12-7 | 636.3 | 637.02 |
| 2021-12-8 | 635.5 | 637.38 |
| 2021-12-9 | 633.21 | 636.77 |
| 2021-12-10 | 636.3 | 634.98 |
| 2021-12-13 | 635.7 | 637.02 |
| 2021-12-14 | 635.42 | 636.69 |
| 2021-12-15 | 635.47 | 636.75 |
| 2021-12-16 | 635.4 | 637.16 |
| 2021-12-17 | 635.8 | 636.37 |
| 2021-12-20 | 636.27 | 636.51 |
| 2021-12-21 | 636.3 | 639.33 |
| 2021-12-22 | 635.9 | 637.29 |
| 2021-12-23 | 635.7 | 637.03 |
(关键字：人民币 汇率)