SPX

SPX can refer to:

• S&P 500, a stock market index
• Sequenced Packet Exchange, a networking protocol
• IATA code of Sphinx International Airport, an airport in Giza, Egypt
• Small Press Expo, an alternative comics convention
• SpaceX (SpX), a rocket manufacturer
• Sports Performance eXtreme, a sports shoe and clothing brand
• SPX Corporation, a Fortune 500 electronics company
• St. Pius X, the 257th Pope of the Roman Catholic Church.
  • St Pius X College, Sydney, Australia
  • St. Pius X Seminary, Roxas City, Philippines
• Superphénix, a nuclear power plant
• Skulduggery Pleasant: Resurrection, the 10th book in the Skulduggery Pleasant series
• A file extension used for Speex-encoded audio files
• The National Rail code for St Pancras International railway station in Greater London
• The former IATA and FAA code for Houston Gulf Airport

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