UK Accounting Glossary
The SOX Index represents the symbol of the Philadelphia Stock Exchange (PHLX) Semiconductor Sector Index. The SOX Index is a price-weighted index. The SOX Index tracks a group of companies (i.e. there were 18 in 2008) involved in all aspects of bringing semiconductors to the market. SOX Index companies are involved in any of the following: designing, manufacturing, distributing, and/or selling semiconductors. At its inception in December 1993, the SOX Index was set at a value of 200. The SOX Index is reviewed quarterly when the PHLX conducts its quarterly share update. In accordance with the rules of the PHLX, the SOX Index quarterly update is done when SOX Index options expire in March, June, September and December. PHLX can also, at its discretion, decide to add or remove companies from the SOX Index to respond to changes in the semiconductor industry and to ensure that the companies included in the SOX Index are still a fair representation of semiconductor companies.
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This glossary post was last updated: 5th February 2020.