| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.8265 | 3.8295 | 3.8265 | 3.8300 | -.0035 | 112 |
| Mar '12(CHCH) | 3.8345 | 3.8515 | 3.7940 | 3.8335 | -.0030 | 45,391 |
| Apr '12(CHCJ) | 3.8335 | 3.8540 | 3.7995 | 3.8395 | -.0025 | 196 |
| May'12(CHCK) | 3.8445 | 3.8590 | 3.8030 | 3.8425 | -.0020 | 15,705 |
| June '12(CHCM) | 3.8110 | 3.8160 | 3.8110 | 3.8495 | -.0025 | 23 |
| July '12(CHCN) | 3.8560 | 3.8630 | 3.8160 | 3.8540 | -.0025 | 5,440 |
| Aug'12(CHCN) | 3.8610 | 3.8610 | 3.8610 | 3.8595 | -.0030 | 2 |
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