U.S. Index Values Explainer The Russell U.S. equity index values shown on most finance sites, in the media, and in the intraday index values tools on Russell.com, are calculated by Bridge Information Systems real-time using primary exchange prices. They are utilized for derivative trading, media reporting and exchange traded funds. The end-of-day and historical values (not the intraday ticker values) posted to russell.com are calculated by Russell using primary closing prices since Jan 1, 2002. Prior to this date Russell used composite pricing utilized for reporting in Russell index products and services. The levels were started at different periods and values. The Bridge value for the Russell 2000® was started on 12/31/1986 at 135.00, while the Russell value was started on 12/31/1978 at 100.00. The following indexes have dual values because they are priced intra-day for derivative and exchange traded fund valuation: Russell 1000® Index Russell 2000® Index Russell 3000® Index Russell Midcap® Index Russell 1000® Value Index Russell 2000® Value Index Russell 3000® Value Index Russell Midcap® Value Index Russell 1000® Growth Index Russell 2000® Growth Index Russell 3000® Growth Index Russell Midcap® Growth Index Distinctions Non-intraday values on www.russell.com   Calculated daily by Russell Utilized for reporting in Russell index products and services Priced using composite exchange closing prices until January 2002 Available before derivatives were created Intraday Russell.com values and values from other media/financial reporting sources   Calculated real-time by Bridge Information Systems on Russell's behalf Distributed via exchange intra-day feeds Utilized for derivative trading, media reporting and exchange traded funds Priced using primary exchange closing prices Validated daily by Russell Began at a later date and at a different beginning value than the original set of values described above. Who is Bridge? Bridge Information Systems was recently acquired by Reuters, and provides intra-day (15-second intervals) calculations for 15 of Russell's U.S. indexes. Bridge's calculations represent the same indexes as published by Russell. Bridge is provided with daily membership changes from Russell, but utilizes primary exchange closing prices. Bridge started calculating the Russell 1000, 2000, and 3000 on December 31, 1986 in order to support derivative products.			Printer friendly version of this page

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