| BGC Partners |
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| Boston Options Exchange (BOX) |
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| Boston Stock Exchange (BSE) |
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| BrokerTec |
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| Chicago Board Options Exchange (CBOE) |
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| CBOE Futures Exchange (CFE) |
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| CBOE Stock Exchange (CBSX) |
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| CME Group (BM&FBOVESPA, CBOT & NYMEX) |
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| Chicago Stock Exchange (CHX) |
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| ELX Futures |
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| eSpeed |
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| Intercontinental Exchange (ICE) |
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| International Securities Exchange(ISE) |
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| Kansas City Board of Trade (KCBT) |
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| Mexican Derivatives Exchange (MexDer) |
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| Minneapolis Grain Exchange (MGEX) |
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| Montreal Exchange (MX) |
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| National Stock Exchange (NSX) |
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| NASDAQ® Stock Market |
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| New York Board of Trade (NYBOT) |
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| New York Mercantile Exchange (NYMEX) |
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| NYSE Arca (Archipelago ECN) |
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| NYSE Arca Options Exchange |
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| New York Stock Exchange® (NYSE®) |
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| OneChicago |
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| Philadelphia Board of Trade (PBOT) |
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| Philadelphia Stock Exchange (PHLX) |
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| Toronto Stock Exchange (TSX) |
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| Winnipeg Commodity Exchange (WCE) |
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