Introduced in 1983, S&P 100 measures large cap company performance. Often known by its ticker symbol OEX, it is made up of 100 major, blue chip companies across diverse industry groups. The primary criterion for index inclusion is the availability of individual stock options for each constituent.
Index constituents exhibit the following characteristics:
Underlying Indices – Subset of S&P 500
Weighting – Market Capitalization
Public Float – At least 50%
Reconstitution – As needed basis
Index Governance and Policy
This index is maintained by the S&P Index Committee, whose members include Standard & Poor's economists and index analysts. It follows a set of published guidelines and policies that provide the transparent methodologies used to maintain the index.
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