Market News

Dec. 10, 2013 TSE The retroactive index value of JPX-Nikkei Index 400

Japan Exchange Group, Inc. and Tokyo Stock Exchange, Inc., and Nikkei Inc. will start to calculate “JPX-Nikkei Index 400” from January 6, 2014. The index values of JPX-Nikkei Index 400 were calculated retroactively from August 30, 2013 (base date for index calculation) until December 6 on an end-of-day basis, which were published on December 10 as follows.

*1: In line with this calculation of the index value (end-of-day basis), the index values published in the release dated November 6 were re-calculated retroactively from August 31, 2006 to August 29, 2013 by changing the base date to August 30, 2013 (Base point=10,000). The retroactive calculation of the index value is not based on the rule in “JPX-Nikkei Index 400 Guidebook” completely. (e.g. scoring based on qualitative factors and a preferential rule for constituents of the prior year are not applied.)
*2: The index values from August 30, 2013 to December 6, 2013 in CSV file are available here.csv file
*3: The index values from December 9 to December 30 will be published after market closing on December 30.


Japan Exchange Group, Inc., Corporate Communications.
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