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).
The following is a list of historical changes that were made to this asset. Typically, once an API is published on ProgrammableWeb.com, the data we keep about that asset gets updated over the course of its life. For example, the endpoint or home page of the documentation might change. As a means of enforcing the integrity of our data, every time a non-trivial change is made to the data we keep about an asset, we require the entry of some changelog text before that change can be saved. This way, we have a great audit trail of all activity surrounding the asset. For each asset, the changelogs begins with the moment an asset is approved for publication on ProgrammableWeb. If you spot an error in our data and believe that a record needs to be updated in some way, the ProgrammableWeb team would very much like to hear from you at firstname.lastname@example.org
So far, we don't have a record of any changes to this API