| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.8075 | 3.8075 | 3.7860 | 3.8115 | -.0255 | 137 |
| Mar '12(CHCH) | 3.8325 | 3.8590 | 3.7840 | 3.8145 | -.0250 | 51,971 |
| Apr '12(CHCJ) | 3.8400 | 3.8490 | 3.7935 | 3.8205 | -.0235 | 288 |
| May'12(CHCK) | 3.8310 | 3.8650 | 3.7935 | 3.8230 | -.0240 | 13,034 |
| June '12(CHCM) | 3.8320 | 3.8395 | 3.8255 | 3.8305 | -.0240 | 9 |
| July '12(CHCN) | 3.8470 | 3.8750 | 3.8080 | 3.8355 | -.0235 | 3,105 |
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