| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.7335 | 3.7930 | 3.7335 | 3.7880 | -.0100 | 57 |
| Mar '12(CHCH) | 3.8055 | 3.8125 | 3.7275 | 3.7910 | -.0105 | 52,414 |
| Apr '12(CHCJ) | 3.7800 | 3.8040 | 3.7380 | 3.7960 | -.0110 | 535 |
| May'12(CHCK) | 3.8110 | 3.8160 | 3.7355 | 3.7985 | -.0115 | 9,429 |
| June '12(CHCM) | 3.7500 | 3.8130 | 3.7500 | 3.8060 | -.0115 | 11 |
| July '12(CHCN) | 3.8300 | 3.8300 | 3.7530 | 3.8115 | -.0115 | 3,156 |
| Aug'12(CHCN) | 3.8190 | 3.8200 | 3.8190 | 3.8175 | -.0105 | 22 |
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