Here’s a look at total options and equity options October marketshare numbers from 2014 and 2015 according to OCC data.

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October 2015 Total Options Marketshare:
AMEX-? ???????? ??? ?? 8.85%????? ?

BATS-??????????? ? ???? 7.89%?? ?

BOX-????? ???????? ???? ?2.77%??? ?

CBOE-??? ???????? ??? 24.52%

C2-????????? ????????????? ?1.67%???? ?

GEM-?????????????????? ?3.09%? ?? ?

ISE-???????? ?????????? ? 12.00%?

MIAX-??????????????? ???6.26%??? ? ?

NOBO-??????????????? ? 0.84%? ??

NSDQ-?? ?????????????? ?8.45%???? ?

NYSE Arca-?????????? 9.53%?? ??

OMX PHLX-??????? 14.13%?

 

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October 2014 Total Options Marketshare:
AMEX- ??????????????? ? 10.26%

BATS-??????????????????? ???6.44%??

BOX- ?????????????????? ??? 2.00%?

CBOE- ???????????????? ??29.42%

C2-????????????????????????? ??2.25%?

GEM-??????????????????? ? ? 4.72%

ISE- ????????????????????? ? ?10.74%

MIAX-?????????????????? ??? 3.27%

NOBO-?????????????????? ?? 0.67%
NSDQ- ???????????????? ? ? ?7.35%

NYSE Arca-????????? ??? 10.26%
OMX PHLX- ??????? ??12.62%

 

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October 2015 Equity Options Marketshare:

AMEX- ???????????????? ?? 9.88%

BATS- ?????????????????? ??? 8.81%

BOX- ???????????????????? ? ?3.10%

CBOE- ? ???????????????? ?15.90%

C2- ????????????????????????? ??1.80%

GEM-??????????????????? ????3.44%

ISE-??????? ?????????????? ??13.31%

MIAX-?????????????????? ?? 7.00%

NOBO-????????????????? ???0.94%

NSDQ-????????????????? ???9.44%

NYSE Arca-????????? ??10.63%

OMX PHLX-???????? ?15.75%

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October 2014 Equity Options Marketshare:

AMEX-? ????????????? ?11.38%
BATS-?????????????????? ???7.24%

BOX-??? ?????????????????? 2.25%
CBOE-?? ??????????????? 21.01%

C2-???????????????????????? ??2.51%

GEM- ?????????????????? ???5.29%
ISE-? ????????????????????? ?12.05%

MIAX-?????????????????? ?? 3.68%

NOBO-?????????????????? ??0.76%
NSDQ-?? ?????????????? ?? 8.26%
NYSE Arca-??????????? 11.40%

OMX PHLX-??????? ?? 14.17%