The shares of NYSE Euronext began trading on Wednesday, first on Euronext in Paris, and later in New York.

The opening share price on Euronext Paris for the newly merged company was €75. A total of 257,598,971 NYSE Euronext shares were admitted to listing. On the basis of the first price traded on Euronext, the market capitalization of NYSE Euronext stands at €19.32 billion/US$25.81 billion, making the company the world’s largest listed exchange group.

The debut of NYSE Euronext follows the successful combination of NYSE Group, Inc. and Euronext N.V. The firm touts itself as the world’s largest and most liquid stock-market platform with average daily value of trading totaling some €90 billion/US$120 billion and capitalization of listed companies totaling €21,500 billion/US$28,500 billion.

John Thain, CEO of NYSE Euronext, suggested that it will continue to participate in the exchange consolidation. He said, “As capital markets around the world consolidate, NYSE Euronext will play a central role in the development and definition of the new global marketplace.”

The firm will also be looking to realize savings from their combination. Jan Michiel Hessels, chairman, NYSE Euronext said, “The entire board of NYSE Euronext feels responsible to develop a truly international company with a clear strategy for future growth and delivering synergies of US$375 million/€ 292 million as promised to our clients and shareholders. ”

“This merger will create significant benefits to shareholders, our customers and all market participants including public investors and issuers,” added Marshall Carter, deputy chairman, NYSE Euronext. “Through carefully identified synergies and a customer-driven focus, we are well positioned for future growth and value creation.”