Pacific Exchange (PX)

Pacific Exchange (PX) - Pacific Exchange (PX) is a regional stock exchange with a main exchange floor and building with branches in other sectors of the United States. The history began with the founding of the San Francisco Stock and Bond Exchange in late nineteenth Century. It merged with the Los Angeles Oil Exchange to create the Pacific Coast Stock Exchange though each remained a separate entity. In 1999 it became the first United States stock exchange to demutualize and by 2001 the Los Angeles trading floor office closed. It now has incorporated an electronic options system with a trading platform open to options.