X-Change Financial Access LLC (XFA) is a leading agency trade execution firm for exchange traded derivatives, including equit ... y options, index options, futures, futures options, and fixed income products. XFA employs over 130 trading and support professionals with operations on all the major exchanges including the Chicago Mercantile Exchange (CME), Chicago Board of Trade (CBOT), Chicago Board of Options Exchange (CBOE), New York Stock Exchange (AMEX/ARCA), as well as being a member of the International Securities Exchange (ISE). XFA is a division of Marex, a leading broker, marker maker, and clearer in the world's financial and commodities markets. read more