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
1/21/2013 62,227,380 60,407,712 30,682 115,018,568 3,749 28,815 113,198,896 3,928 1,819,670
1/18/2013 68,326,704 83,434,976 38,728 148,615,840 3,837 36,719 163,724,128 4,459 -15,108,280
1/17/2013 75,106,944 79,233,272 42,593 168,958,720 3,967 41,204 173,085,056 4,201 -4,126,330
1/16/2013 106,627,584 54,561,288 45,584 200,061,504 4,389 37,587 147,995,216 3,937 52,066,288
1/15/2013 107,608,360 56,458,952 42,929 192,798,080 4,491 34,372 141,648,672 4,121 51,149,408
1/14/2013 69,022,784 57,581,832 35,589 135,871,024 3,818 32,011 124,430,080 3,887 11,440,950
1/11/2013 78,778,784 69,410,112 37,334 150,514,752 4,032 34,256 141,146,080 4,120 9,368,670
1/10/2013 79,349,072 54,829,008 36,974 148,398,800 4,014 31,370 123,878,736 3,949 24,520,060
1/9/2013 69,759,344 89,069,312 46,902 201,181,072 4,289 46,710 220,491,040 4,720 -19,309,970
1/8/2013 75,448,912 59,903,380 36,021 156,945,200 4,357 33,190 141,399,664 4,260 15,545,530
1/7/2013 78,137,216 51,461,280 34,753 153,141,504 4,407 29,152 126,465,560 4,338 26,675,940
1/4/2013 76,069,648 45,999,380 32,754 138,684,336 4,234 26,936 108,614,072 4,032 30,070,270
1/3/2013 60,665,200 70,235,552 35,498 156,774,064 4,416 36,244 166,344,416 4,590 -9,570,350
1/2/2013 75,524,952 28,590,360 31,408 135,836,128 4,325 22,815 88,901,536 3,897 46,934,592
12/28/2012 61,389,980 54,547,488 27,360 115,655,824 4,227 27,071 108,813,328 4,020 6,842,490
12/27/2012 61,332,232 49,098,360 30,781 131,034,912 4,257 28,730 118,801,040 4,135 12,233,870
12/26/2012 60,380,220 42,394,728 26,663 113,360,368 4,252 23,922 95,374,880 3,987 17,985,490
12/25/2012 42,644,288 54,273,128 21,606 85,765,104 3,970 25,066 97,393,936 3,886 -11,628,840
12/24/2012 45,405,432 45,130,240 21,568 82,752,656 3,837 22,048 82,477,472 3,741 275,190
12/21/2012 46,410,168 69,193,688 23,501 107,869,720 4,590 27,603 130,653,240 4,733 -22,783,520