Attached files

file filename
EX-23 - EX-23 - Cboe Global Markets, Inc.a2202482zex-23.htm
EX-24 - EX-24 - Cboe Global Markets, Inc.a2202482zex-24.htm
EX-32.1 - EX-32.1 - Cboe Global Markets, Inc.a2202482zex-32_1.htm
EX-31.1 - EX-31.1 - Cboe Global Markets, Inc.a2202482zex-31_1.htm
EX-32.2 - EX-32.2 - Cboe Global Markets, Inc.a2202482zex-32_2.htm
EX-31.2 - EX-31.2 - Cboe Global Markets, Inc.a2202482zex-31_2.htm
10-K - 10-K - Cboe Global Markets, Inc.a2202482z10-k.htm

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EXHIBIT 21.1

SIGNIFICANT SUBSIDIARIES OF CBOE HOLDINGS, INC.
AS OF DECEMBER 31, 2010

NAME OF SUBSIDIARY
  JURISDICTION OF
ORGANIZATION
CBOE Futures Exchange, LLC   Delaware
CBOE, LLC   Delaware
Chicago Board Options Exchange, Incorporated   Delaware
Chicago Options Exchange Building Corporation   Delaware
Derivatech Corporation   Illinois
Market Data Express, LLC   Delaware
The Options Exchange, Incorporated   Delaware
CBOE Execution Services, LLC   Delaware
C2 Options Exchange, Incorporated   Delaware



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SIGNIFICANT SUBSIDIARIES OF CBOE HOLDINGS, INC. AS OF DECEMBER 31, 2010