Related by context. Frequent words. (Click for all words.) 73 Getco 54 algorithmic trading 54 BATS Trading 54 Archipelago Holdings 52 Correlix 50 Wagner Specialists 50 Options Exchange 49 Portware 49 HFT 49 Direct Edge 48 ECNs 48 Townsend Analytics 48 Options Clearing Corporation 48 Alternative Asset Management 47 Corvil 47 Instinet 47 BIDS Trading 47 Citadel Investment 47 TradingScreen 47 LaBranche 46 NASD 46 Ballista 46 Eze Castle Software 46 Spear Leeds 46 ATSs 46 Euronext.liffe 46 Archipelago Holdings Inc. 45 algos 45 ConvergEx Group 45 hedge fund 45 Omgeo 45 Reg NMS 45 ConvergEx 45 broker dealers 45 GunnAllen 45 NYSE Arca Options 45 NYSE Euronext NYX 44 NYSE ITG 44 brokerage 44 FXall 44 trading 44 Regulation NMS 44 Fixnetix 44 sellside 44 CHX 44 buyside 44 FINRA 44 low latency 43 CBOE Futures 43 broker dealer 43 Icap 43 OneChicago 43 Traiana 43 Trayport 43 Eze Castle Integration 43 hedge funds 43 NYSE Euronext 43 Finra 43 MF Global Ltd. 43 interdealer broker 42 HighTower 42 NYFIX 42 derivatives 42 ELX 42 brokerage firms 42 IDCG 42 CAPIS 42 firm Skidmore Owings 42 BlueCrest 42 ticker symbol MMC 42 bulge bracket 42 UNX 42 Van der Moolen Specialists 42 Kidder Peabody 41 Capital Markets LLC 41 OANDA 41 Previous HedgeWorld Story 41 trader 41 HedgeStreet 41 TradElect 41 Advest 41 Algorithmic 41 Nodal Exchange 41 Winterflood 41 Pershing LLC 41 RJO 41 algorithmic 41 NYSE NYX 41 Drexel Burnham Lambert 41 CQG 41 MTFs 41 BATS Global 41 TradeWeb 41 BNY ConvergEx 41 Neonet 41 CBOE 41 Algorithmic Trading 41 trade MONSTER 41 Intercontinental Exchange 40 optionsXpress Holdings Inc. 40 GFIG