You can use XigniteIndexComponents to get the list of securities and weightings that comprise the stock indices. Also known as index constituents, index composition, or index memberships, index component is the information about the securities that are included in the calculations of an index. Index calculations can be straightforward, i.e. the sum of the price of all the securities in the index or can involve more complex calculations and weightings. Commonly used index calculations are market-value weighted index, such as the NASDAQ Composite (^IXIC), and price-weighted index such as the Dow Jones Industrial Average (^DJI).
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