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
4/23/2013 41,575,840 33,931,888 23,938 72,363,264 3,023 20,132 64,719,312 3,215 7,643,950
4/22/2013 30,297,430 41,735,160 23,409 67,342,048 2,877 21,500 78,779,776 3,664 -11,437,730
4/18/2013 37,627,640 45,214,580 25,932 72,846,472 2,809 22,142 80,433,408 3,633 -7,586,940
4/17/2013 44,154,368 40,606,912 23,908 72,534,632 3,034 20,905 68,987,168 3,300 3,547,460
4/16/2013 62,207,000 43,751,000 37,275 108,421,528 2,909 25,869 89,965,528 3,478 18,456,000
4/15/2013 34,345,680 55,399,952 32,255 85,578,416 2,653 28,420 106,632,688 3,752 -21,054,270
4/12/2013 46,595,740 59,327,648 34,370 97,257,080 2,830 29,156 109,988,992 3,772 -12,731,910
4/11/2013 52,365,928 60,244,860 34,910 99,337,136 2,846 28,725 107,216,072 3,733 -7,878,930
4/10/2013 44,170,288 80,941,568 35,459 108,572,736 3,062 38,336 145,344,016 3,791 -36,771,280
4/9/2013 61,513,232 57,238,248 35,984 119,662,440 3,325 34,060 115,387,456 3,388 4,274,980
4/8/2013 50,678,940 57,776,200 31,833 99,730,848 3,133 32,251 106,828,112 3,312 -7,097,260
4/5/2013 56,375,820 48,110,408 32,071 100,955,808 3,148 27,700 92,690,400 3,346 8,265,410
4/4/2013 46,621,580 62,130,368 31,753 95,145,960 2,996 29,629 110,654,752 3,735 -15,508,790
4/3/2013 55,859,400 76,792,840 32,976 110,084,672 3,338 37,874 131,018,112 3,459 -20,933,440
4/2/2013 55,426,020 72,604,464 34,495 121,782,568 3,530 41,451 138,961,008 3,352 -17,178,440
4/1/2013 57,297,128 40,296,648 31,958 104,450,208 3,268 27,724 87,449,728 3,154 17,000,480
3/29/2013 54,349,568 39,871,500 30,435 89,084,432 2,927 22,010 74,606,360 3,390 14,478,070
3/28/2013 40,037,740 56,607,280 27,751 79,550,912 2,867 26,349 96,120,448 3,648 -16,569,540
3/27/2013 46,202,968 51,711,992 27,857 81,099,512 2,911 25,675 86,608,528 3,373 -5,509,020
3/26/2013 45,450,752 54,410,140 26,131 81,966,752 3,137 28,381 90,926,144 3,204 -8,959,390