Options Market Share

December 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 17.21% 1,183 Million 1.93% 133 Million 0.77% 53 Million
Tape A 13.62% 501 Million 1.83% 67 Million 0.68% 25 Million
Tape B 11.88% 165 Million 2.32% 32 Million 1.04% 15 Million
Tape C 28.64% 517 Million 1.85% 33 Million 0.76% 14 Million
U.S. ETFs 12.68% 156 Million 2.52% 31 Million 1.14% 14 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.