| Contract | Open | High | Low | Close | Change | Volume |
| Mar '12(CHCH) | 3.9020 | 3.9175 | 3.8290 | 3.8525 | -.0430 | 520 |
| Apr '12(CHCJ) | 3.9020 | 3.9260 | 3.8400 | 3.8565 | -.0435 | 173 |
| May'12(CHCK) | 3.9045 | 3.9325 | 3.8355 | 3.8595 | -.0435 | 41,117 |
| June '12(CHCM) | 3.9200 | 3.9200 | 3.8565 | 3.8670 | -.0420 | 151 |
| July '12(CHCN) | 3.9255 | 3.9370 | 3.8535 | 3.8705 | -.0425 | 2,958 |
| Aug'12(CHCN) | 3.8705 | 3.8705 | 3.8705 | 3.8780 | -.0410 | 24 |
| Sep'12(CHCN) | 3.9250 | 3.9260 | 3.8695 | 3.8810 | -.0415 | 686 |
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