U.S. Equities Market Share
- In May 2011, off-exchange trading accounted for 30% of the shares traded in NMS EquitySecurities.
- Share volumes traded across Tape A, B, and C increased 7% monthly and decreased 35% annually to 152 billion shares
- Share volumes in NYSE-listed securities increased 1% monthly and decreased 39% annually to 80 billion shares.
- NASDAQ-listed securities traded over exchange increased 11% monthly and decreased 21% annually to 43 billion shares.
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