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
11/11/2011 15,932,540 27,807,390 14,549 37,807,792 2,599 14,583 49,682,640 3,407 -11,874,850
11/10/2011 18,796,660 25,210,330 14,715 39,506,872 2,685 14,283 45,920,540 3,215 -6,413,670
11/9/2011 18,863,130 23,245,220 14,242 35,960,300 2,525 13,507 40,342,392 2,987 -4,382,090
11/8/2011 22,468,410 20,231,460 16,843 44,315,728 2,631 14,141 42,078,780 2,976 2,236,950
11/7/2011 17,287,770 23,788,600 16,894 42,869,208 2,538 15,085 49,370,040 3,273 -6,500,830
11/4/2011 21,740,400 24,832,610 16,445 43,309,960 2,634 15,050 46,402,168 3,083 -3,092,210
11/3/2011 28,821,890 23,116,130 19,314 50,766,272 2,628 13,557 45,060,512 3,324 5,705,760
11/2/2011 18,784,500 24,321,590 17,779 43,203,000 2,430 15,464 48,740,088 3,152 -5,537,090
11/1/2011 20,568,470 35,437,848 17,618 47,745,088 2,710 19,847 62,614,472 3,155 -14,869,380
10/31/2011 24,118,120 29,390,080 17,025 59,328,672 3,485 21,931 64,600,632 2,946 -5,271,960
10/28/2011 40,621,620 14,659,310 21,861 76,888,840 3,517 18,261 50,926,528 2,789 25,962,310
10/27/2011 20,786,810 20,614,380 15,545 38,850,060 2,499 13,840 38,677,632 2,795 172,430
10/26/2011 21,094,290 23,222,790 15,056 39,599,392 2,630 14,285 41,727,888 2,921 -2,128,500
10/25/2011 18,656,100 23,684,140 14,553 36,612,740 2,516 15,383 41,640,780 2,707 -5,028,040
10/24/2011 21,307,340 22,726,710 15,244 41,080,368 2,695 15,854 42,499,740 2,681 -1,419,370
10/21/2011 31,297,970 17,191,220 18,399 53,796,960 2,924 14,906 39,690,208 2,663 14,106,750
10/20/2011 19,881,010 17,517,200 13,773 33,536,800 2,435 11,869 31,172,990 2,626 2,363,810
10/19/2011 26,574,040 19,581,650 17,048 46,360,952 2,719 12,488 39,368,560 3,153 6,992,390
10/18/2011 17,820,250 24,120,940 15,464 39,293,740 2,541 14,396 45,594,432 3,167 -6,300,690
10/17/2011 18,089,900 24,537,390 14,382 39,011,488 2,713 14,660 45,458,980 3,101 -6,447,490