PX

PX or px may refer to:

==In business== PX Index, index of the Prague Stock Exchange Air Niugini (IATA airline code PX) Part exchange, a type of contract Post exchange, a store operated by the Army and Air Force Exchange Service on US Army posts Praxair (stock symbol PX) Power exchange, the entity that operates an electricity market through which electricity is traded Phone Number People Experience, the rebranding of Human Resources (HR), reflecting a focus on putting people and their experiences first