Here’s a look at total options and equity options May marketshare numbers from 2014 and 2015 according to OCC data.
May 2015 Total Options Marketshare:
AMEX-? ???????? ??? ?? 7.96%????? ?
BATS-??????????? ? ???? ?9.73%?? ?
BOX-????? ???????? ???? ?2.24%??? ?
CBOE-??? ???????? ??? 24.76%
C2-????????? ????????????? ?2.13%???? ?
GEM-?????????????????? ? 3.67%? ?? ?
ISE-???????? ?????????? ? 12.33%?
MIAX-??????????????? ???6.84%??? ? ?
NOBO-??????????????? ? 0.69%? ??
NSDQ-?? ?????????????? ?6.12%???? ?
NYSE Arca-?????????? 8.36%?? ??
OMX PHLX-??????? 15.16%?
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May 2014 Total Options Marketshare:
AMEX- ??????????????? ? 11.29%
BATS-??????????????????? ???3.74%??
BOX- ?????????????????? ??? 2.65%?
CBOE- ???????????????? ??28.02%
C2-????????????????????????? ??1.78%?
GEM-??????????????????? ? ? 2.04%
ISE- ????????????????????? ? ?12.22%
MIAX-?????????????????? ??? 2.56%
NOBO-?????????????????? ?? 0.76%
NSDQ- ???????????????? ? ? ?9.58%
NYSE Arca-????????? ???11.14%
OMX PHLX- ?????? ?? ? 14.22%
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May 2015 Equity Options Marketshare:
AMEX- ???????????????? ?? 8.79%
BATS- ?????????????????? ?10.75%
BOX- ???????????????????? ? ?2.48%
CBOE- ? ???????????????? ?17.08%
C2- ???????????????????????? ? 2.30%
GEM-??????????????????? ????4.05%
ISE-??????? ?????????????? ??13.57%
MIAX-???????????????? ?? ?? 7.56%
NOBO-????????????????? ???0.76%
NSDQ-????????????????? ???6.76%
NYSE Arca-????????? ???9.20%
OMX PHLX-???? ?? ?? 16.71%
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May 2014 Equity Options Marketshare:
AMEX-? ????????????? ?12.40%
BATS-???????????????? ?? 4.16%
BOX-??? ?????????????????? 2.95%
CBOE-?? ??????????????? 20.37%
C2-???????????????????????? ??1.96%
GEM- ?????????????????? ???2.26%
ISE-? ????????????????????? ?13.55%
MIAX-?????????????????? ?? 2.85%
NOBO-?????????????????? ??0.84%
NSDQ-?? ?????????????? ??10.63%
NYSE Arca-??????????? 12.24%
OMX PHLX-??????? ?? 15.79%