| Contract | Open | High | Low | Close | Change | Volume | Open Int. |
| Aug '11(CHCQ) | 3.9395 | 4.0085 | 3.9300 | 3.9670 | 0.0095 | 20 | 552 |
| Sep '11(CHCU) | 3.9355 | 4.0595 | 3.8180 | 3.9700 | 0.0085 | 60674 | 55071 |
| Oct'11(CHCV) | 3.8950 | 4.0245 | 3.8470 | 3.9800 | 0.0085 | 111 | 1497 |
| Nov '11 (CHCX) | 3.9500 | 4.0225 | 3.8835 | 3.9865 | 0.0085 | 62 | 465 |
| Dec'11(CHCZ) | 3.9505 | 4.0790 | 3.8420 | 3.9930 | 0.0085 | 12862 | 47853 |
| Jan‘12(CHCF) | 3.9500 | 4.0365 | 3.9500 | 3.9995 | 0.0085 | 45 | 230 |
| Feb '12(CHCG) | 4.0090 | 4.0325 | 3.9630 | 4.0050 | 0.0090 | 17 | 124 |
| Mar '12(CHCH) | 3.9040 | 4.0790 | 3.9005 | 4.0095 | 0.0090 | 2781 | 17154 |
| Apr '12(CHCJ) | 4.0185 | 4.0185 | 3.9700 | 4.0135 | 0.0090 | 27 | 109 |
| May'12(CHCK) | 3.9655 | 4.0640 | 3.9655 | 4.0175 | 0.0090 | 1046 | 2993 |
| June '12(CHCM) | 4.0195 | 4.0195 | 4.0195 | 4.0195 | 0.0090 | 14 | 66 |
| July '12(CHCN) | 3.9800 | 4.0475 | 3.9800 | 4.0215 | 0.0090 | 91 | 1106 |
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