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
Shanghai Stock Exchange the trading houses themselves remained partnerships). In 1891 during the boom in mining shares, foreign businessmen founded the "Shanghai Sharebrokers' Association" headquartered in Shanghai as China's first stock exchange. In 1904 the Association applied for registration in Hong Kong under the provision of the Companies ordinance and was renamed as the "Shanghai Stock Exchange". The supply of securities came primarily from local companies. In the early days, banks dominated private shares but, by 1880, only the Hong Kong and Shanghai local banks remained. Later in 1920 and 1921, "Shanghai Securities & Commodities Exchange" and "Shanghai Chinese Merchant Exchange" started operation