News&Release

Jul/24/2025

Changes to the Index Guidebook of the Nikkei Stock Average Regarding the Treatment of Spin-Offs
Jun/13/2025

Changes in the Nikkei Progressive and High Dividend Stock Index constituents
Mar/24/2025

Changes to the Index Guidebook of the Nikkei Progressive and High Dividend Stock Index
Mar/24/2025

Nikkei Progressive and High Dividend Stock Index Guidebook (to be effective from June 30, 2025)

Guide to make better use of the Nikkei Indexes

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Nikkei Inc. has developed and calculated its own indexes from various perspective, looking at changes in society and markets. Nikkei Stock Average, the premier and flagship index of Japanese stocks, and other Nikkei Indexes are widely used globally as representative indicators of the Japanese equity market, and financial products linked to the Nikkei Indexes are traded around the world.

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This section provides information on the procedures for using basic data in business use such as index constituents stock prices, dividends and weights, which are indispensable for calculating the Nikkei Stock Average, for business use.

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