Archipelago Holdings Inc. operates the Archipelago Exchange (ArcaEx), an open all-electronic stock exchange in the United States. Through ArcaEx, customers can trade equity securities, including NYSE, Nasdaq, AMEX, and PCX-listed securities and exchanged traded funds. Archipelago's trading system is designed to search across different market centers for the best price for each order.
100 South Wacker Drive
Chicago, IL 60606