| Contract | Open | High | Low | Close | Change | Volume |
| Mar '12(CHCH) | 3.8500 | 3.8515 | 3.7315 | 3.7310 | -.1215 | 888 |
| Apr '12(CHCJ) | 3.8670 | 3.8725 | 3.7345 | 3.7355 | -.1210 | 689 |
| May'12(CHCK) | 3.8635 | 3.8830 | 3.7365 | 3.7375 | -.1220 | 55,464 |
| June '12(CHCM) | 3.8850 | 3.8850 | 3.7390 | 3.7445 | -.1225 | 307 |
| July '12(CHCN) | 3.8780 | 3.8880 | 3.7470 | 3.7480 | -.1225 | 6,723 |
| Aug'12(CHCN) | 3.7765 | 3.7835 | 3.7765 | 3.7550 | -.1230 | 3 |
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