PHLX Semiconductor Sector

The PHLX Semiconductor Sector (SOX) is a Philadelphia Stock Exchange capitalization-weighted index composed of the 30 largest companies primarily involved in the design, distribution, manufacture, and sale of semiconductors. It was created in 1993 by the Philadelphia Stock Exchange.
The Index contains the following 30 companies as of Nov 20, 2020: 
History.
The index was set to an initial value of 200 on December 1, 1993 and was split two-for-one on July 24, 1995; options commenced trading on September 7, 1994.