Philadelphia Stock Exchange 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 referred to as the Philadelphia Board of Brokers. In 1875, the Board of Brokers changed its name to the Philadelphia Stock Exchange. The exchange merged with the Baltimore Stock Exchange in 1949 and was named the Philadelphia-Baltimore Stock Exchange. It merged with the Washington Stock Exchange in 1954, becoming known as the Philadelphia-Baltimore-Washington Stock
Channel Islands Stock Exchange depository receipts (CIDRS) and specialist debt securities, including Eurobonds, Structured Debt, Warrants and SPVs. The CISX closed down in December 2013 and all business was moved into the newly formed "Channel Islands Securities Exchange" rebranded in 2017 as The International Stock Exchange. Channel Islands Stock Exchange The Channel Islands Stock Exchange (CISX) was a stock exchange operating in St. Peter Port, Guernsey, the business of which was acquired by the Channel Islands Securities Exchange on 20 December 2013. It was founded in March 1998, as a company limited both by guarantee and by shares. It was an offshore stock exchange