| Contract | Open | High | Low | Close | Change | Volume |
| Feb'13 | 3.7375 | 3.7375 | 3.721 | 3.726 | 0.001 | 173 |
| Mar'13 | 3.742 | 3.753 | 3.719 | - | -0.0005 | 50,762 |
| Apr'13 | 3.749 | 3.7535 | 3.733 | - | 0.0005 | 378 |
| May'13 | 3.7575 | 3.7675 | 3.735 | 3.748 | 0.001 | 18,241 |
| Jun'13 | 3.7615 | 3.7655 | 3.746 | - | 0.0015 | 102 |
豫公网安备41010502003434号