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
Toronto Stock Exchange on Bay Street and moved into the Exchange Tower. The old TSE building later became the Design Exchange, a museum and education centre. On April 23, 1997, the TSE's trading floor closed, making it the second-largest stock exchange in North America to choose a floorless, electronic (or virtual trading) environment. In 1999, through a major realignment plan, Toronto Stock Exchange became Canada's sole exchange for the trading of senior equities. The Bourse de Montréal/Montreal Exchange assumed responsibility for the trading of derivatives and the Vancouver Stock Exchange and Alberta Stock Exchange merged to form the Canadian Venture Exchange (CDNX) handling