Philadelphia Stock Exchange options, and a number of FX options. The PHLX has more than 16% of United States market share in exchange-listed stock and ETF options trading. The exchange's normal trading sessions are from 9:30 am to 4:00 pm on all days of the week except Saturdays, Sundays and holidays declared by the exchange in advance. Philadelphia Stock Exchange Philadelphia Stock Exchange (PHLX), now known as NASDAQ OMX PHLX, is the oldest stock exchange in the United States. It is now owned by The NASDAQ OMX Group. Founded in 1790, the exchange was originally named the Board of Brokers of Philadelphia, also
Boston Stock Exchange 2007, NASDAQ acquired the BSE. Boston Stock Exchange The Boston Stock Exchange (now NASDAQ OMX BX, formerly "BSE") is a regional stock exchange located in Boston, Massachusetts. The third-oldest stock exchange in the United States, it was founded in 1834. On October 2, 2007, NASDAQ agreed to acquire BSE for $61 million. The Boston Stock Exchange was founded in 1834. In 2002, the BSE co-founded with the Montreal Exchange (MX), a derivatives exchange and Interactive Brokers, a discount brokerage, the Boston Options Exchange (BOX), an automated equity options exchange. In 2007, controlling interest in the BOX was sold to MX