| Contract | Open | High | Low | Close | Change | Volume |
| Mar '12(CHCH) | 3.8640 | 3.8655 | 3.7905 | 3.7870 | -.0920 | 376 |
| Apr '12(CHCJ) | 3.8540 | 3.8575 | 3.7900 | 3.7890 | -.0910 | 701 |
| May'12(CHCK) | 3.8675 | 3.8700 | 3.7825 | 3.7925 | -.0875 | 46,591 |
| June '12(CHCM) | 3.8630 | 3.8630 | 3.7910 | 3.7980 | -.0870 | 107 |
| July '12(CHCN) | 3.8710 | 3.8790 | 3.7945 | 3.8025 | -.0865 | 5,367 |
| Aug'12(CHCN) | 3.8095 | 3.8200 | 3.8055 | 3.8090 | -.0860 | 12 |
| Sep'12(CHCN) | 3.8780 | 3.8780 | 3.8115 | 3.8120 | -.0855 | 1,850 |
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