| Contract | Open | High | Low | Close | Change | Volume |
| Mar '12(CHCH) | 3.9055 | 3.9105 | 3.8350 | 3.8420 | -.0545 | 462 |
| Apr '12(CHCJ) | 3.9090 | 3.9090 | 3.8320 | 3.8455 | -.0545 | 309 |
| May'12(CHCK) | 3.9120 | 3.9180 | 3.8335 | 3.8480 | -.0545 | 40,491 |
| June '12(CHCM) | 3.8900 | 3.8900 | 3.8445 | 3.8535 | -.0545 | 77 |
| July '12(CHCN) | 3.9240 | 3.9245 | 3.8430 | 3.8570 | -.0545 | 3,186 |
| Aug'12(CHCN) | 3.8740 | 3.8740 | 3.8740 | 3.8640 | -.0545 | 38 |
| Sep'12(CHCN) | 3.9345 | 3.9345 | 3.8635 | 3.8670 | -.0545 | 1,269 |
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