May 2013 Reversal #2 Trades% of TradesShare Volume% of Volume|
| Block | 696 | 0.00 % | 14,712,312 | 0.04 % | | Non-Block | 166,448,547 | 100.00 % | 39,396,427,609 | 99.96 % | | Total | 166,449,243 | 100.00 % | 39,411,139,921 | 100.00 % |
| Average Daily Share Volume | 1,791,415,451 | | Average Daily Dollar Volume | $57,406,493,626 | | # of Trading Days | 22 | | |
| May 2013 Total NASDAQ-Listed Securities | 2,727 | | Total Market Makers | 110 | | Total Market Maker Positions | 46,389 | | Average Market Makers/Security | 17.01 |
Month:
Trades% of TradesShare Volume% of Volume|
| Block | 294 | 0.00 % | 5,358,580 | 0.01 % | | Non-Block | 165,675,298 | 100.00 % | 37,313,238,666 | 99.99 % | | Total | 165,675,592 | 100.00 % | 37,318,597,246 | 100.00 % |
| Average Daily Share Volume | 1,696,299,875 | | Average Daily Dollar Volume | $56,145,845,956 | | # of Trading Days | 22 | | |
| April 2013 Total NASDAQ-Listed Securities | 2,716 | | Total Market Makers | 112 | | Total Market Maker Positions | 46,147 | | Average Market Makers/Security | 16.99 |
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