March 2013 FIF Market Share And Market Dynamics Reports – Executive Summary

U.S. Equities Market Share

• Share volumes traded across Tape A, B, and C totaled 123 billion shares, a decrease of 2% monthly and 16% annually.
• In March 2013, off-exchange trading accounted for 36% of the shares traded in NMS Equity Securities, a decrease of 0.4% compared to last month.
• NYSE-listed securities share volume was 69 billion shares, a decrease of 1% monthly and 18% annually.
• Share volume in NASDAQ-listed securities was 33 billion shares, a 5% monthly and 8% annual decline.

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