Date,Open,High,Low,Close,Volume,OpenInterest 20120702,436.1,436.1,434.05,434.9,56,38 20120703,439.3,439.3,435.25,435.6,81,61 20120704,435,436.1,430,434.85,65,70 20120705,435.35,440,435.2,437.1,129,76 20120706,436.1,437.5,432.55,433.45,71,78 20120707,433.45,433.9,433.45,433.7,2,91 20120709,433.3,435.35,432.7,433.9,75,102 20120710,433.35,433.35,428.85,429.2,243,163 20120711,427.15,432.4,426.7,431.85,229,161 20120712,430.8,432.8,429.7,432.05,97,204 20120713,432.85,435.9,432.85,435.55,136,207 20120714,434.75,434.9,434.7,434.75,5,213 20120716,433.2,435.2,433.05,433.9,44,194 20120717,435.9,436.6,431.7,432.45,131,231 20120718,432.95,435.1,432.75,434.65,78,367 20120719,436.7,440,436.7,439.95,271,238 20120720,438.2,438.2,430,432.3,284,241 20120721,432.45,432.45,432,432.2,7,233 20120723,430.35,431.3,426.15,430,245,249 20120724,431.3,431.95,428.2,429.15,201,350 20120725,430.35,431.5,428.1,430.9,364,286 20120726,429.55,432.55,428.25,429.2,471,366 20120727,430.3,431.6,429.7,430.9,167,368 20120728,431.15,431.25,430.95,431.15,10,356 20120730,432.7,432.95,430.1,430.55,105,475 20120731,432.3,434.6,432.3,432.65,250,327 20120801,431.85,431.85,427.1,428.25,385,314 20120802,427.8,429.5,423.1,423.6,315,296 20120803,424.15,425.5,421.2,425.25,261,300 20120804,424.7,424.9,424.7,424.8,8,298 20120806,424.5,426.1,423.35,425.9,125,381 20120807,426,429.85,425.6,429.05,257,381 20120808,427.95,429.5,427.15,428.05,158,418 20120809,430,430.1,427.75,428.4,151,367 20120810,427.05,427.05,424,425.95,359,368 20120811,425.75,426.4,425.75,426.1,22,330 20120813,425.75,426,423.15,423.65,302,441 20120814,422.75,426.6,422.45,425.4,313,508 20120816,426,426.45,424.2,425.7,297,743 20120817,426.1,430.1,426.1,429.95,538,758 20120818,429.9,430.1,429.55,429.9,209,884 20120821,425.15,430.8,424.9,429.8,689,1010 20120822,431.35,432.1,429.2,431.05,599,1164 20120823,432.05,435.5,432.05,432.55,772,1272 20120824,431.4,434.55,431.1,434.3,650,1317 20120825,434.3,435.85,434.1,435.35,141,0