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
Bulgarian Stock Exchange – Sofia Stock Exchange. The Bulgarian Stock Exchange is a member of the Federation of Euro-Asian Stock Exchanges. Bulgarian Stock Exchange – Sofia The Bulgarian Stock Exchange – Sofia (, "Balgarska fondova borsa - Sofia", abbreviated BSE - Sofia) is a stock exchange operating in Sofia, the capital of Bulgaria. It was founded as First Bulgarian Stock Exchange on 10 October 1991 as a joint stock company. The Sofia Stock Exchange which had been established through a tsar's decree, ceased to operate after the Second World War as Bulgaria became a communist state. In January 2011, the stock exchange (stock symbol: BSO)