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
2/9/2012 39,239,592 40,462,568 22,956 80,260,952 3,496 25,008 81,483,928 3,258 -1,222,980
2/8/2012 46,027,752 23,781,430 24,010 87,672,608 3,652 20,558 65,426,288 3,183 22,246,320
2/7/2012 30,594,140 28,342,330 20,087 62,658,080 3,119 18,944 60,406,272 3,189 2,251,810
2/6/2012 23,569,850 23,858,580 17,676 52,209,400 2,954 17,954 52,498,128 2,924 -288,730
2/3/2012 24,545,090 38,796,392 24,189 79,838,384 3,301 26,818 94,089,680 3,508 -14,251,300
2/2/2012 42,890,960 13,437,210 23,816 82,100,472 3,447 16,944 52,646,720 3,107 29,453,750
2/1/2012 23,896,200 23,919,540 17,985 54,696,792 3,041 19,557 54,720,128 2,798 -23,340
1/31/2012 22,084,400 21,046,670 19,502 59,226,128 3,037 19,450 58,188,400 2,992 1,037,730
1/30/2012 17,281,700 11,317,220 12,596 35,772,940 2,840 12,065 29,808,460 2,471 5,964,480
1/20/2012 17,131,890 19,623,300 12,176 37,414,100 3,073 14,877 39,905,512 2,682 -2,491,410
1/19/2012 25,021,470 10,311,020 13,575 44,614,632 3,287 11,722 29,904,180 2,551 14,710,450
1/18/2012 15,745,720 14,793,960 10,734 28,768,440 2,680 10,799 27,816,680 2,576 951,760
1/17/2012 15,829,980 21,193,090 10,848 31,942,950 2,945 13,922 37,306,060 2,680 -5,363,110
1/16/2012 22,078,290 15,565,320 13,474 42,381,220 3,145 14,034 35,868,248 2,556 6,512,970
1/13/2012 21,335,030 18,335,910 12,785 37,733,280 2,951 12,430 34,734,160 2,794 2,999,120
1/12/2012 18,304,870 21,271,690 12,124 36,967,408 3,049 13,537 39,934,232 2,950 -2,966,820
1/11/2012 16,519,910 21,136,350 12,264 37,313,792 3,043 15,137 41,930,232 2,770 -4,616,440
1/10/2012 24,184,790 14,285,880 14,930 48,910,680 3,276 13,532 39,011,768 2,883 9,898,910
1/9/2012 17,779,570 14,460,020 12,574 36,978,520 2,941 12,285 33,658,968 2,740 3,319,550
1/6/2012 13,772,580 20,261,200 12,409 33,551,850 2,704 13,383 40,040,472 2,992 -6,488,620