Here’s a look at total options and equity options February marketshare numbers according to OCC data (leaders in bold).
February 2014
AMEX- 11.26%
BATS- 3.53%
BOX- 1.72%
CBOE- 29.89%
C2- 1.82%
GEM- 2.53%
ISE- 11.52%
MIAX- 2.36%
NOBO- 0.83%
NSDQ- 8.91%
NYSE Arca- 11.09%
OMX PHLX- 14.53%
February 2013?
AMEX- 13.47%
BATS- 3.92%
BOX- 2.16%
CBOE- 23.39%
C2- 1.56%
ISE- 16.04%
MIAX- 0.15%
NOBO- 0.91%
NSDQ- 7.08%
NYSE Arca- 12.36%
OMX PHLX- 18.95%
Equity Options Marketshare
February 2014?
AMEX- 12.44%
BATS- 3.97%
BOX- 1.93%
CBOE- 21.69%
C2- 2.03%
GEM- 2.84%
ISE- 12.91%
MIAX- 2.65%
NOBO- 0.93%
NSDQ- 10.00%
NYSE Arca- 12.31%
OMX PHLX- 16.30%
February 2013?
AMEX- 14.73%
BATS- 4.30%
BOX- 2.37%
CBOE- 16.48%
C2- 1.69%
ISE- 17.34%
MIAX- 0.17%
NOBO- 1.00%
NSDQ- 7.76%
NYSE Arca- 13.49%
OMX PHLX- 20.66%