| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.8255 | 3.8315 | 3.7920 | 3.7980 | -.0135 | 68 |
| Mar '12(CHCH) | 3.8325 | 3.8725 | 3.7900 | 3.8015 | -.0130 | 43,453 |
| Apr '12(CHCJ) | 3.8360 | 3.8655 | 3.7970 | 3.8070 | -.0135 | 329 |
| May'12(CHCK) | 3.8375 | 3.8800 | 3.7990 | 3.8100 | -.0130 | 5,729 |
| June '12(CHCM) | 3.8195 | 3.8195 | 3.8195 | 3.8175 | -.0130 | 1 |
| July '12(CHCN) | 3.8530 | 3.8900 | 3.8140 | 3.8230 | -.0125 | 1,529 |
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