| Contract | Open | High | Low | Close | Change | Volume |
| Apr '12 | 3.6690 | 3.6690 | 3.6575 | 3.6715 | +.0485 | 249 |
| May'12 | 3.6315 | 3.6880 | 3.6250 | 3.6725 | +.0465 | 51,661 |
| June '12 | 3.6315 | 3.6900 | 3.6310 | 3.6780 | +.0470 | 2,316 |
| July '12 | 3.6360 | 3.6960 | 3.6340 | 3.6810 | +.0470 | 30,040 |
| Aug'12 | 3.6725 | 3.6920 | 3.6725 | 3.6865 | +.0465 | 17 |
| Sep'12 | 3.6445 | 3.7005 | 3.6445 | 3.6900 | +.0460 | 14,067 |
豫公网安备41010502003434号