News&Release

Nov/05/2025

Nikkei 225's Divisor to Rise to 29.91719460
Sep/30/2025

Nikkei 225's Divisor to Rise to 29.69955560
Sep/29/2025

Nikkei 225's Divisor to Fall to 29.59724687
Jul/03/2025

Nikkei 225's Divisor to Fall to 29.61653922
Mar/31/2025

Nikkei 225's Divisor to Fall to 30.06422294

Guide to make better use of the Nikkei Indexes

The most trusted gauge of the stock markets

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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