| Contract | Open | High | Low | Close | Change | Volume | Open Int. |
| May '10(CHCK) | 3.0515 | 3.0515 | 3.0515 | 3.0515 | 0.116 | 85 | 289 |
| Jun '10(CHCM) | 3.011 | 3.011 | 3.011 | 3.0555 | 0.1165 | 565 | 1835 |
| July '10(CHCN) | 3.018 | 3.11 | 3.018 | 3.061 | 0.1165 | 44005 | 78831 |
| Aug '10(CHCQ) | 3.0695 | 3.0695 | 3.0695 | 3.0695 | 0.1165 | 355 | 1807 |
| Sep '10(CHCU) | 3.05 | 3.094 | 3.05 | 3.078 | 0.1155 | 3846 | 23673 |
| Oct '10 (CHCV) | 3.085 | 3.085 | 3.085 | 3.085 | 0.115 | 63 | 493 |
| Nov '10 (CHCX) | 3.09 | 3.09 | 3.09 | 3.09 | 0.114 | 90 | 607 |
| Dec '10 (CHCZ) | 3.094 | 3.094 | 3.094 | 3.094 | 0.114 | 1054 | 12233 |
| Jan '11(CHCF) | 3.0975 | 3.0975 | 3.0975 | 3.0975 | 0.113 | 5 | 263 |
| Feb '11(CHCG) | 3.1 | 3.1 | 3.1 | 3.1 | 0.1125 | - | 251 |
| Mar '11 (CHCH) | 3.102 | 3.102 | 3.102 | 3.102 | 0.112 | 503 | 5297 |
| Apr '11(CHCJ) | 3.104 | 3.104 | 3.104 | 3.104 | 0.1115 | - | 54 |
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