 On 5 December 2007, ICAP acquired Traiana, Inc. for $247 million (£121 million).Traiana is a provider of post-trade processing, client servicing, and trading software for financial institutions.In June 2012 ICAP acquired Plus Stock Exchange plc and relaunched it as the ICAP Securities and Derivatives Exchange (ISDX), one of only six Regulated Investment Exchanges (RIE) in the United Kingdom, the others being the London Stock Exchange (LSE), the London International Financial Futures and Options Exchange (LIFFE), the London Metal Exchange (LME), the Intercontinental Exchange (ICE) and BATS Chi-X Europe.