| Contract | Open | High | Low | Close | Change | Volume |
| Mar '12(CHCH) | 3.8330 | 3.8395 | 3.7735 | 3.8060 | -.0275 | 49,388 |
| Apr '12(CHCJ) | 3.8285 | 3.8410 | 3.7840 | 3.8110 | -.0285 | 379 |
| May'12(CHCK) | 3.8425 | 3.8490 | 3.7830 | 3.8140 | -.0285 | 17,889 |
| June '12(CHCM) | 3.8260 | 3.8465 | 3.8020 | 3.8200 | -.0295 | 44 |
| July '12(CHCN) | 3.8450 | 3.8600 | 3.7975 | 3.8250 | -.0290 | 3,434 |
| Aug'12(CHCN) | 3.8200 | 3.8315 | 3.8200 | 3.8310 | -.0285 | 4 |
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