In 2005, the assets of Attain were purchased by Knight Capital Group and subsequently spun off two years later as the re-branded Direct Edge ECN.
[3] On March 12, 2010, Direct Edge received official approval from the U.S. Securities and Exchange Commission (SEC) to convert both EDGA and EDGX ECN platforms into two newly established national securities exchanges.
[5] In November 2011 Direct Edge annunciated intention to open a stock exchange outside the United States, in Rio de Janeiro, Brazil, in the last quarter of 2012.
[11] Direct Edge traded all U.S.-listed equities: EDGX is an exchange with a maker/taker pricing model offering high rebates for liquidity providers.
[12] Hours of operation are from 8 a.m. to 8 p.m. with the regular trading session designated between the hours of 9:30 a.m. and 4 p.m. EDGA is identified as “J” for all trades and quotes posted to the Security Information Processor (public quote stream) and EDGX is identified as “K”.