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NYSE Arca, previously known as ArcaEx, an abbreviation of Archipelago Exchange, is an exchange on which both stocks and options are traded. It is owned by Intercontinental Exchange and is headquartered in Chicago.〔http://investing.businessweek.com/research/stocks/private/snapshot.asp?privcapId=7960146 NYSE Arca Overview, Bloomberg BusinessWeek〕 Early reports indicate that NYSE Arca may have played an early role in the 2010 Flash Crash. ==History== In November 1994, Stuart Townsend and Gerald Putnam founded TerraNova Trading LLC, an electronic securities exchange, in Chicago. Its product, Archipelago, started accepting trading orders on January 20, 1997.〔Free Encyclopedia of Ecommerce: Archipelago Holdings LLC, retrieved 30 Dec. 2011.〕 Archipelago is one of the first ECNs and a precursor to the Archipelago Exchange (ArcaEx) that was created in 2001 to facilitate electronic stock trading on US stock exchanges. In 2005, Archipelago Holdings, the owner of ArcaEx, bought the Pacific Exchange, after what had been a close working relationship since 2001. Archipelago Holdings merged with NYSE Group in April 2006 in a reverse takeover and the business was renamed NYSE Arca. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「NYSE Arca」の詳細全文を読む スポンサード リンク
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