| Contract | Open | High | Low | Close | Change | Volume |
| Feb '12(CHCG) | 3.8400 | 3.8400 | 3.8020 | 3.8725 | +.0135 | 175 |
| Mar '12(CHCH) | 3.8775 | 3.8810 | 3.7940 | 3.8760 | +.0115 | 56,232 |
| Apr '12(CHCJ) | 3.8600 | 3.8860 | 3.8190 | 3.8825 | +.0110 | 277 |
| May'12(CHCK) | 3.8810 | 3.8890 | 3.8065 | 3.8860 | +.0110 | 13,514 |
| June '12(CHCM) | 3.8545 | 3.8965 | 3.8230 | 3.8935 | +.0110 | 78 |
| July '12(CHCN) | 3.8740 | 3.9020 | 3.8160 | 3.8965 | +.0115 | 5,716 |
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