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
10/25/2012 29,843,950 36,169,860 19,507 59,023,660 3,026 16,846 65,349,568 3,879 -6,325,910
10/24/2012 34,021,740 38,198,100 17,925 57,457,248 3,205 17,784 61,633,608 3,466 -4,176,360
10/23/2012 39,768,512 34,184,848 19,687 64,009,072 3,251 16,959 58,425,408 3,445 5,583,660
10/22/2012 24,487,000 42,362,672 18,631 54,365,260 2,918 18,153 72,240,928 3,980 -17,875,670
10/19/2012 36,946,880 54,725,560 24,520 85,918,144 3,504 23,981 103,696,816 4,324 -17,778,680
10/18/2012 42,008,560 40,043,328 21,268 75,657,512 3,557 20,643 73,692,280 3,570 1,965,230
10/17/2012 41,102,480 46,975,680 21,389 75,104,240 3,511 23,941 80,977,440 3,382 -5,873,200
10/16/2012 61,664,420 23,547,780 25,242 100,274,608 3,973 18,454 62,157,968 3,368 38,116,640
10/15/2012 26,697,170 43,999,680 17,980 62,296,768 3,465 19,902 79,599,280 4,000 -17,302,510
10/12/2012 48,458,880 40,911,032 22,673 89,371,792 3,942 21,518 81,823,936 3,803 7,547,850
10/11/2012 48,681,360 34,187,560 23,187 88,870,032 3,833 23,270 74,376,232 3,196 14,493,800
10/10/2012 59,230,780 26,977,870 23,792 95,584,736 4,018 20,263 63,331,832 3,125 32,252,910
10/9/2012 39,305,368 36,740,128 20,375 73,123,232 3,589 22,271 70,557,992 3,168 2,565,240
10/8/2012 43,591,872 25,507,760 20,481 76,551,664 3,738 19,220 58,467,552 3,042 18,084,110
10/5/2012 32,746,940 27,642,090 16,553 56,708,780 3,426 16,213 51,603,928 3,183 5,104,850
10/4/2012 23,919,430 28,821,050 14,136 44,330,328 3,136 15,034 49,231,952 3,275 -4,901,620
10/3/2012 37,423,888 25,471,040 19,062 63,855,200 3,350 16,041 51,902,352 3,236 11,952,850
10/2/2012 22,859,430 35,442,552 17,068 48,399,540 2,836 17,028 60,982,660 3,581 -12,583,120
10/1/2012 17,939,440 36,308,260 16,592 45,096,240 2,718 17,278 63,465,060 3,673 -18,368,820
9/28/2012 27,633,190 31,477,800 16,881 48,720,460 2,886 16,424 52,565,072 3,201 -3,844,610