| Contract | Open | High | Low | Close | Change | Volume |
| Feb'12 CHCG) | 3.8645 | 3.8900 | 3.8235 | 3.8805 | +.0175 | 44,730 |
| Mar '12(CHCH) | 3.8640 | 3.8920 | 3.8305 | 3.8870 | +.0195 | 287 |
| Apr '12(CHCJ) | 3.8730 | 3.8965 | 3.8310 | 3.8890 | +.0190 | 31,927 |
| May'12(CHCK) | 3.8745 | 3.9000 | 3.8525 | 3.8930 | +.0185 | 27 |
| June '12(CHCM) | 3.8785 | 3.9025 | 3.8400 | 3.8970 | +.0190 | 2,546 |
| July '12(CHCN) | 3.9055 | 3.9055 | 3.9055 | 3.9020 | +.0190 | 1 |
| Aug'12(CHCN) | 3.8870 | 3.9100 | 3.8785 | 3.9045 | +.0190 | 317 |
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