Options Market Share

June 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 16.71% 967 Million 2.38% 138 Million 0.39% 22 Million
Tape A 11.64% 352 Million 2.35% 71 Million 0.31% 9 Million
Tape B 10.92% 93 Million 2.85% 24 Million 0.77% 7 Million
Tape C 27.27% 523 Million 2.22% 42 Million 0.34% 6 Million
U.S. ETFs 12.17% 88 Million 3.16% 23 Million 0.88% 6 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.