| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.9545 | 3.9790 | 3.9545 | 3.9745 | +.0685 | 127 |
| Mar '12(CHCH) | 3.9080 | 3.9895 | 3.8730 | 3.9785 | +.0690 | 70,774 |
| Apr '12(CHCJ) | 3.9010 | 3.9810 | 3.8905 | 3.9820 | +.0670 | 832 |
| May'12(CHCK) | 3.9065 | 3.9950 | 3.8815 | 3.9840 | +.0660 | 18,310 |
| June '12(CHCM) | 3.9100 | 3.9870 | 3.9100 | 3.9910 | +.0660 | 686 |
| July '12(CHCN | 3.9095 | 4.0000 | 3.9000 | 3.9945 | +.0660 | 8,077 |
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