Date Unmatched Bid Vol Unmatched Ask Volume Buy Orders Buy Volume (Shares) Avg buy volume per order Sell Orders Sell Volume (Shares) Avg sell volume per order Net buy - sell volume
8/29/2012 48,691,288 23,032,100 27,132 84,431,192 3,112 16,953 58,772,000 3,467 25,659,190
8/28/2012 29,534,220 44,747,000 23,919 66,345,300 2,774 20,371 81,558,080 4,004 -15,212,780
8/27/2012 12,134,310 65,429,300 17,469 52,056,880 2,980 22,913 105,351,872 4,598 -53,294,992
8/24/2012 54,657,408 63,593,740 46,990 143,028,320 3,044 31,723 151,964,656 4,790 -8,936,330
8/23/2012 5,126,340 96,761,008 14,053 42,202,048 3,003 25,374 133,836,720 5,275 -91,634,672
8/22/2012 29,961,110 71,729,120 33,004 97,186,640 2,945 28,543 138,954,656 4,868 -41,768,008
8/21/2012 10,455,750 103,035,872 25,593 72,120,152 2,818 33,946 164,700,272 4,852 -92,580,120
8/20/2012 42,930,520 46,458,360 21,559 75,229,888 3,489 25,874 78,757,728 3,044 -3,527,840
8/17/2012 48,471,540 40,123,520 24,223 81,414,792 3,361 22,708 73,066,768 3,218 8,348,020
8/16/2012 34,963,900 41,956,040 20,439 59,183,272 2,896 21,022 66,175,408 3,148 -6,992,140
8/15/2012 38,074,088 50,465,740 22,775 69,724,080 3,061 24,404 82,115,728 3,365 -12,391,650
8/14/2012 45,932,360 40,135,560 23,908 90,591,832 3,789 22,529 84,795,032 3,764 5,796,800
8/13/2012 34,005,112 36,421,632 19,326 57,482,112 2,974 18,593 59,898,632 3,222 -2,416,520
8/10/2012 40,118,160 51,987,640 21,974 71,656,912 3,261 26,035 83,526,392 3,208 -11,869,480
8/9/2012 45,866,440 48,281,700 23,232 83,348,736 3,588 28,154 85,764,000 3,046 -2,415,260
8/8/2012 42,825,568 36,756,480 19,269 65,194,660 3,383 19,538 59,125,568 3,026 6,069,090
8/7/2012 37,069,780 55,188,472 20,473 66,482,720 3,247 28,290 84,601,408 2,991 -18,118,690
8/6/2012 52,376,368 26,453,370 24,024 91,908,576 3,826 23,221 65,985,580 2,842 25,923,000
8/3/2012 38,318,880 30,929,570 19,058 60,003,632 3,148 17,968 52,614,320 2,928 7,389,310
8/2/2012 35,682,712 31,999,250 18,473 54,394,820 2,945 16,775 50,711,360 3,023 3,683,460