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
4/10/2012 77,181,616 63,301,740 40,343 157,635,104 3,907 41,208 143,755,216 3,489 13,879,880
4/9/2012 76,669,440 45,829,460 34,170 139,746,912 4,090 33,782 108,906,944 3,224 30,839,980
4/6/2012 61,296,168 67,801,512 31,563 131,030,352 4,151 41,397 137,535,696 3,322 -6,505,340
4/5/2012 60,451,440 53,274,808 30,869 116,274,896 3,767 30,457 109,098,272 3,582 7,176,630
4/4/2012 37,597,992 67,006,392 27,051 86,555,848 3,200 30,612 115,964,248 3,788 -29,408,400
4/3/2012 60,798,912 40,782,560 32,423 114,846,160 3,542 25,730 94,829,808 3,686 20,016,350
3/30/2012 41,345,272 73,704,784 34,605 103,007,168 2,977 31,133 135,366,688 4,348 -32,359,510
3/29/2012 45,242,672 80,069,360 36,650 116,372,712 3,175 34,753 151,199,392 4,351 -34,826,688
3/28/2012 70,395,880 67,232,568 43,840 146,793,328 3,348 34,310 143,630,016 4,186 3,163,310
3/27/2012 67,008,288 76,917,992 48,807 182,780,608 3,745 46,226 192,690,304 4,168 -9,909,700
3/26/2012 101,054,232 50,897,640 47,649 190,780,256 4,004 38,387 140,623,664 3,663 50,156,592
3/23/2012 99,800,816 53,420,928 44,268 185,161,312 4,183 38,904 138,781,424 3,567 46,379,888
3/22/2012 92,496,656 63,402,060 41,728 168,578,928 4,040 39,391 139,484,336 3,541 29,094,600
3/21/2012 104,790,864 51,373,712 44,703 200,688,624 4,489 40,820 147,271,488 3,608 53,417,152
3/20/2012 69,077,072 50,955,672 32,358 125,424,568 3,876 31,340 107,303,168 3,424 18,121,400
3/19/2012 62,277,060 60,121,288 30,829 113,726,480 3,689 31,665 111,570,712 3,523 2,155,770
3/16/2012 91,443,960 67,349,760 43,856 197,003,904 4,492 41,929 172,909,696 4,124 24,094,200
3/15/2012 89,764,040 45,549,860 41,772 178,353,664 4,270 34,033 134,139,480 3,941 44,214,180
3/14/2012 41,387,700 63,098,192 29,840 101,314,656 3,395 29,503 123,025,152 4,170 -21,710,490
3/13/2012 57,902,600 49,221,420 34,646 116,377,776 3,359 26,113 107,696,600 4,124 8,681,180