CME Group (CME) is in informal talks to take over the Chicago Board Options Exchange in a deal...

|About: CME Group Inc. (CME)|By:, SA News Editor

CME Group (CME) is in informal talks to take over the Chicago Board Options Exchange in a deal worth up to $5B - a 50% premium to its current worth, and about 20x its expected annual earnings. Adding CBOE would put Chicago's three biggest exchanges under one roof, and give CME, already the largest futures exchange, a dominant position in stock options.