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
10/20/2010 14,201,300 30,481,060 22,351 50,467,940 2,258 22,752 66,747,700 2,934 -16,279,760
10/19/2010 22,167,270 32,584,500 22,909 53,027,380 2,315 23,346 63,444,608 2,718 -10,417,230
10/18/2010 21,948,480 25,048,530 17,994 41,426,688 2,302 19,058 44,526,740 2,336 -3,100,050
10/15/2010 29,713,020 24,901,430 20,194 51,954,640 2,573 19,979 47,143,048 2,360 4,811,590
10/14/2010 27,568,120 28,097,200 19,371 48,323,320 2,495 21,067 48,852,400 2,319 -529,080
10/13/2010 34,465,592 24,442,400 22,645 56,029,208 2,474 18,422 46,006,020 2,497 10,023,190
10/12/2010 27,489,960 31,876,240 22,312 53,186,220 2,384 21,577 57,572,500 2,668 -4,386,280
10/11/2010 27,675,330 27,324,680 19,448 47,113,800 2,423 19,954 46,763,152 2,344 350,650
10/8/2010 31,930,000 38,738,840 22,819 59,888,672 2,625 26,605 66,697,512 2,507 -6,808,840
10/7/2010 27,737,050 49,279,660 22,026 61,641,300 2,799 34,496 83,183,912 2,411 -21,542,610
10/6/2010 37,974,632 30,159,140 24,263 71,436,208 2,944 26,061 63,620,720 2,441 7,815,490
10/5/2010 40,039,780 22,465,970 28,261 71,348,352 2,525 20,924 53,774,540 2,570 17,573,810
10/4/2010 21,141,050 38,243,152 26,982 66,379,672 2,460 28,915 83,481,768 2,887 -17,102,100
10/1/2010 30,247,590 32,675,230 23,872 58,050,120 2,432 24,020 60,477,760 2,518 -2,427,640
9/30/2010 33,138,950 32,495,000 25,606 62,627,560 2,446 23,866 61,983,608 2,597 643,950
9/29/2010 27,210,200 41,807,072 24,327 56,395,400 2,318 29,137 70,992,272 2,436 -14,596,870
9/28/2010 35,150,520 34,932,200 25,470 69,754,192 2,739 29,426 69,535,872 2,363 218,320
9/27/2010 34,529,480 32,467,920 26,271 67,005,840 2,551 25,049 64,944,280 2,593 2,061,560
9/24/2010 46,557,900 31,721,640 29,401 78,366,624 2,665 24,127 63,530,360 2,633 14,836,260
9/23/2010 34,675,328 36,718,260 32,562 78,274,304 2,404 28,091 80,317,232 2,859 -2,042,930