TOPIX reorganization, stocks with low market ratings to be "exited", creating tension among hiring companies
Quick Look
- The Japan Exchange Group has begun a reform to reduce the number of stocks in the TOPIX by approximately 40%, and announced 683 companies that are not in the top 97% of free float market capitalization as transitional stocks.
- If the standards are not met at the re-evaluation in October 2027, they will be excluded by July 2028.
AI-generated summary
Why It Matters
TOPIX was established in 1969 and was once seen as a "safe haven" where once a company was hired, it would never be removed, but with the latest reforms, there is now a need for continuous improvement in corporate value.
A major reform has begun to reduce the number of constituent stocks in the Tokyo Stock Price Index (TOPIX) by approximately 40%. TOPIX used to be a "safe haven" for companies, where once they were hired, they would never be left behind. Continuous improvements in corporate value will be required, leading to a heightened sense of tension.
4pm on the 7th. The list of 683 companies published by the Japan Exchange Group (JPX) as ``transitional measures stocks'' is filled with large and well-known companies listed on the top-tier prime market.
Food manufacturers that are well-known to consumers, restaurants, IT, department stores, private railways, television... If the stock fails to meet the criteria at the October 2027 reassessment, it will be removed from the TOPIX index by July 2028.
JPX has announced that if the market capitalization of the "floating stocks" traded on the market as of August of this year is in the top 97%, it will be possible to "remain" in the TOPIX. 683 companies under transitional measures were unable to overcome this hurdle.
This indicates that the total amount of stocks traded on the market did not reach the level required by JPX.
What are the benefits for general investors?
Open Questions
- Of the 683 companies subject to transition measures, how many will actually be excluded from TOPIX?
- How big is the impact of excluded companies on stock prices and financing?
- Is there a possibility that this reform will spread to other stock indexes?


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