Market Share Statistics - July 2010

 

The NASDAQ Options Market
U.S. Equity Options
Market Share
U.S. Equity Options
Volume
5.43% 13,963,680

 

 

NASDAQ OMX PHLX
U.S. Equity Options
Market Share
U.S. Equity Options
Volume
20.45% 52,569,538

 

NASDAQ OMX 2010 Market Share