Options Market Share

August 2014

The NASDAQ Stock Market NASDAQ OMX BX NASDAQ OMX PSX
  Matched Market Share Average Daily Share Volume Matched Market Share Average Daily Share Volume Matched Market Share Average Daily Share Volume
U.S. Equities 16.44% 861 Million 2.45% 129 Million 0.50% 26 Million
Tape A 12.55% 348 Million 2.36% 66 Million 0.37% 10 Million
Tape B 11.83% 103 Million 2.96% 26 Million 0.91% 8 Million
Tape C 25.75% 410 Million 2.33% 37 Million 0.50% 8 Million
U.S. ETFs 12.87% 101 Million 3.09% 24 Million 1.02% 8 Million

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Data represent share volume of NASDAQ-listed, NYSE-listed or U.S. equity securities (including ETFs) that are executed on the NASDAQ, BX and PSX books as a percentage of consolidated market volume. Data are single counted.

*Trades Reported to the FINRA/NASDAQ TRF represent internalized volume and other trade reporting to the FINRA/NASDAQ Trade Reporting FacilityTM, a facility of FINRA that is operated by NASDAQ.