| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.9250 | 3.9250 | 3.8610 | 3.8595 | -.1150 | 135 |
| Mar '12(CHCH) | 3.9735 | 3.9785 | 3.8515 | 3.8620 | -.1165 | 60,784 |
| Apr '12(CHCJ) | 3.9615 | 3.9615 | 3.8660 | 3.8660 | -.1160 | 115 |
| May'12(CHCK) | 3.9755 | 3.9785 | 3.8575 | 3.8680 | -.1160 | 15,042 |
| June '12(CHCM) | 3.9515 | 3.9575 | 3.9015 | 3.8755 | -.1155 | 38 |
| July '12(CHCN) | 3.9860 | 3.9860 | 3.8690 | 3.8790 | -.1155 | 5,297 |
| Aug'12(CHCN | 3.8890 | 3.8890 | 3.8890 | 3.8855 | -.1150 | 4 |
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