Related by context. Frequent words. (Click for all words.) 60 OneChicago 58 broker dealers 57 Direct Edge 56 Options Clearing Corporation 56 PHLX 56 Reg NMS 55 BATS Exchange 55 Townsend Analytics 55 NYSE Arca 55 CME Globex 54 ECNs 54 BIDS Trading 53 OTC derivative 53 CBOE 53 NYBOT 53 Xetra 53 TradeStation 52 ELX 52 Eurex 51 algos 51 optionsXpress Holdings Inc. 51 RealTick 51 Tradeweb 51 CME ClearPort 50 BATS 50 algorithmic trading 50 VIX futures 50 Creditex 50 Portware 50 FFastFill 50 Interbank FX 50 QSG 50 margining 50 OptionsHouse 50 IntercontinentalExchange ICE 49 Trayport 49 TradingScreen 49 NYSE Liffe 49 OptionsXpress 49 optionsXpress 49 TradeWeb 49 Liquidnet 49 Penson Worldwide Inc. 49 CME Clearing 48 NYSE Euronext NYX 48 Archipelago Holdings 48 TradeKing 48 MTFs 48 EquiLend 48 Mercantile Exchange NYMEX 48 Options Exchange 48 NYMEX 48 ArcaEx 48 Oslo Børs 48 EuroCCP 48 EEX 47 BATS Global 47 OTC derivatives 47 FXall 47 counterparty clearing 47 Fixnetix 47 CME Group 47 Nasdaq OMX Group 47 Patsystems 47 thinkorswim 47 NYSE Euronext 47 Managed Accounts 46 DTCC 46 ConvergEx 46 CDS clearing 46 ICE Clear 46 TOCOM 46 Nasdaq OMX 46 Managed Account 46 CQG 46 StockTwits 46 NDAQ 46 Intercontinental Exchange 46 CHX 46 NYFIX 46 derivatives 46 CBOE Holdings 46 FXCM 46 ISE 45 Chi X 45 ProShares 45 CME Globex electronic 45 Direxion 45 CFTC 45 Nord Pool 45 TFX 45 SETS 45 Zions Direct 45 CBOT 45 trading 45 CCPs 45 counter OTC derivatives 45 NASDAQ OMX 45 Exchanges 45 FINRA 45 DebtX