The CME Group, operator of the Chicago Mercantile Exchange, is one of the world's largest traders of derivatives.

VOA: special.2011.02.18

Energy contracts of CME Group primarily consist of crude oil, natural gas, power and other energy-related exchange-traded contracts and over-the-counter contracts cleared through CME Group ClearPort.

FORBES: Pump Up The Volume And CME Rocks On To $323

We have previously examined the Dodd-Frank rulings with respect to CME in our article CME Group 10% Upside Potential on New Derivatives Rules.

FORBES: CME Trades Its Way On Up To $330

This is why the CME Group ( CME) is being watched for a potential counter-offer.

FORBES: Should Investors Be Worried About Proposed NYSE Merger?