 ICE became a publicly traded company on November 16, 2005, and was added to the Russell 1000 Index on June 30, 2006.The company expanded rapidly in 2007, acquiring the New York Board of Trade (NYBOT), and ChemConnect (a chemical commodity market).In March 2007 ICE made an unsuccessful $9.9 billion bid for the Chicago Board of Trade, which was instead acquired by the CME Group.