New York Stock Exchange (NYSE) A leading global operator of financial markets and provider of innovative trading technologies, NYSE Euronext (NYX) is the holding company and the first cross-border exchange group created by the combination of NYSE Group, Inc. and Euronext N.V., on April 4, 2007.   The Company’s exchanges located in Europe and the United States trade equities, futures, options, fixed-income, and exchange-traded products.