News&Release

Jul/24/2025

Changes to the Index Guidebook of the Nikkei Stock Average Regarding the Treatment of Spin-Offs
Mar/01/2022

Changes to the Nikkei Indices
Nov/18/2020

Changes to the Nikkei Indices
Oct/22/2020

Changes to the Nikkei Indices
Jul/15/2020

Changes to the Nikkei Indices
Mar/27/2020

Initiatives for new corona virus proliferation
Apr/08/2019

Nikkei to launch the Domestic & Global Exposure Index

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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