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
6/22/2011 21,752,690 30,620,590 15,906 43,437,680 2,731 20,411 52,305,580 2,563 -8,867,900
6/21/2011 32,352,220 17,868,700 20,900 57,059,128 2,730 15,517 42,575,608 2,744 14,483,520
6/20/2011 16,495,520 27,168,840 18,179 48,756,568 2,682 17,581 59,429,888 3,380 -10,673,320
6/17/2011 21,999,970 36,599,840 22,481 67,137,848 2,986 22,723 81,737,720 3,597 -14,599,870
6/16/2011 39,752,180 22,209,610 24,080 71,279,616 2,960 17,679 53,737,048 3,040 17,542,570
6/15/2011 16,394,050 39,035,640 20,714 56,898,992 2,747 24,262 79,540,576 3,278 -22,641,590
6/14/2011 41,827,712 27,021,970 29,221 96,964,112 3,318 26,816 82,158,368 3,064 14,805,740
6/13/2011 42,994,832 18,577,970 24,438 76,362,176 3,125 18,701 51,945,320 2,778 24,416,860
6/10/2011 41,526,952 18,347,770 24,760 79,811,272 3,223 20,423 56,632,088 2,773 23,179,180
6/9/2011 31,828,590 24,595,780 20,312 58,031,800 2,857 18,009 50,798,992 2,821 7,232,810
6/8/2011 27,807,280 34,255,000 21,416 60,014,608 2,802 23,159 66,462,328 2,870 -6,447,720
6/7/2011 38,603,500 12,801,460 21,911 68,018,400 3,104 15,459 42,216,360 2,731 25,802,040
6/6/2011 24,182,510 17,203,650 15,127 42,822,688 2,831 14,578 35,843,832 2,459 6,978,860
6/3/2011 23,170,240 38,856,608 23,158 67,264,512 2,905 30,428 82,950,880 2,726 -15,686,370
6/2/2011 34,660,720 10,437,000 22,019 65,928,408 2,994 15,475 41,704,688 2,695 24,223,720
6/1/2011 34,439,592 13,978,770 19,946 62,508,920 3,134 15,836 42,048,100 2,655 20,460,820
5/31/2011 17,420,940 17,746,960 14,655 37,099,208 2,532 13,695 37,425,232 2,733 -326,020
5/30/2011 11,261,200 27,067,620 13,832 35,378,768 2,558 18,604 51,185,192 2,751 -15,806,420
5/27/2011 30,198,400 16,745,890 20,008 56,723,288 2,835 14,647 43,270,780 2,954 13,452,510
5/26/2011 30,666,910 21,084,580 24,685 71,830,272 2,910 17,500 62,247,940 3,557 9,582,330