NYSE Euronext (NYX) is a leading global operator of financial markets and provider of innovative trading technologies. As the world’s leading and most liquid equities exchange group, NYSE Euronext powers the exchanging world and is comprised of equities and derivatives exchanges across the United States and Europe which trade cash equities, futures, options, fixed-income and exchange-traded products. NYSE Euronext is in the S&P 500 index, and is the only exchange operator in the S&P 100 index and Fortune 500.

NYSE Euronext is home to the world’s leading companies providing access to the global liquidity they need to collaborate, compete and grow. With more than 8,000 listed issues, NYSE Euronext's equities markets – NYSE, NYSE Arca, NYSE Amex, Euronext, and NYSE Alternext – trade more than one-third of the world’s cash equity volume, the most liquidity of any global exchange group. NYSE Liffe is the leading European derivatives business and the world's second-largest derivatives business by trading value.

A division of NYSE Euronext, NYSE Technologies is a leader in providing innovative software, market data products and data management applications, connectivity solutions, exchange technology, and transaction solutions for trading firms, vendors and financial markets around the world.