September 2012 FIF Market Share And Market Dynamics Reports - Executive Summary

U.S. Equities Market Share

• Share volumes traded across Tape A, B, and C decreased1% monthly and decreased 30% annually to 124 billion shares (see chart).
• In September 2012, off-exchange trading accounted for34% of the shares traded in NMS Equity Securities.
• Share volumes in NYSE-listed securities decreased 0.4%monthly and 27% annually to 70 billion shares.
• NASDAQ-listed securities share volume decreased 5%monthly and 22% annually to 33 billion shares.

Click here to download the September 2012 FIF Market Share and Market Dynamics Reports executive summary.