| Contract | Open | High | Low | Close | Change | Volume |
| Mar '12(CHCH) | 3.8865 | 3.8865 | 3.8120 | 3.8280 | -.0780 | 308 |
| Apr '12(CHCJ) | 3.9065 | 3.9075 | 3.8150 | 3.8290 | -.0780 | 339 |
| May'12(CHCK) | 3.9050 | 3.9100 | 3.8135 | 3.8305 | -.0785 | 39,528 |
| June '12(CHCM) | 3.9065 | 3.9065 | 3.8210 | 3.8345 | -.0785 | 59 |
| July '12(CHCN) | 3.9080 | 3.9165 | 3.8225 | 3.8380 | -.0780 | 2,224 |
| Aug'12(CHCN) | 3.8545 | 3.8545 | 3.8545 | 3.8440 | -.0775 | 3 |
| Sep'12(CHCN) | 3.9165 | 3.9205 | 3.8300 | 3.8460 | -.0770 | 1,660 |
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