| Contract | Open | High | Low | Close | Change | Volume |
| June '12 | 3.3345 | 3.3530 | 3.3240 | 3.3340 | -.0110 | 228 |
| July '12 | 3.3060 | 3.3585 | 3.3030 | 3.3355 | -.0075 | 62,479 |
| Aug'12 | 3.3100 | 3.3600 | 3.3100 | 3.3410 | -.0075 | 169 |
| Sep'12 | 3.3150 | 3.3655 | 3.3115 | 3.3440 | -.0070 | 19,431 |
| Oct'12 | 3.3190 | 3.3190 | 3.3190 | 3.3495 | -.0070 | 12 |
豫公网安备41010502003434号