Related by context. Frequent words. (Click for all words.) 56 RJO 55 RJ O'Brien 55 Penson Worldwide Inc. 53 BT Radianz 52 Institutional Equities 52 Trayport 51 Derivix 51 FFastFill 51 Equiduct 51 Knight Libertas 50 Euronext.liffe 50 Putnam Lovell 50 Currenex 50 TradingScreen 50 Patsystems 49 Altegris 49 IDCG 49 7ticks 49 Eze Castle Software 49 Neonet 49 Bloomberg Tradebook 48 Prebon 48 Firm# 48 optionsXpress Holdings Inc. 48 CantorCO2e 48 Portware 48 Prudential Bache 48 Agora X 48 Prime Brokerage 48 Fixnetix 47 CAPIS 47 Eurex Clearing 47 FXall 47 CBOT 47 FCStone 47 Correlix 47 MarketPrizm 47 CQG 46 Linedata 46 Townsend Analytics 46 AMVESCAP 46 HyperFeed 46 OptionsXpress 46 CME Clearing 46 vFinance 46 Gavilon 46 MGEX 46 Apama platform 46 QSG 46 UNX 46 Caledonia Investments 46 OneChicago 45 JB Were 45 NYFIX 45 Stockbroking 45 ICAP plc 45 brokerage MF Global 45 FCStone Group 45 Proprietary Trading 45 BrokerTec 45 Mercuria 45 Newedge USA 45 PriceMetrix 45 Verecloud 45 FutureTrade 45 TraderTools 45 Nodal Exchange 45 NYSE FINRA SIPC 45 Fimat 45 Nybot 45 Linedata Services 45 Newedge 45 Equity Derivatives 45 Penson Worldwide 45 Vhayu 45 NYSE Liffe 44 NMX 44 Commodity XL 44 NumeriX 44 Traiana 44 Lewtan 44 Capital Markets LLC 44 ETFS 44 optionsXpress 44 NYBOT 44 Lightyear Capital 44 Commodities 44 BTIG 44 Finspreads 44 Linsco Private Ledger 44 Harrisdirect 44 ACTIV 44 Moxy ® 44 OXPS 44 GOL SPDR 44 Trader 44 brokerage 44 GLOBEX 44 CameronTec 44 equities 44 SoundView