日本取引所グループ announced that TOPIX constituents will be substantially changed from the current 1,634 companies to 986. The changes will be implemented in stages from the end of October through July 2028, with reassessment potentially taking place in October 2027.
日本取引所グループ (JPX) announced that the constituents of the Tokyo Stock Price Index, TOPIX, will be substantially changed from the current 1,634 companies to 986. The changes are scheduled to be implemented in stages from the end of October through July 2028, with reassessment potentially taking place in October 2027.
The number of constituents may continue to fluctuate after the restructuring, and constituents are reportedly to be changed regularly each year from October 2028 onward. Companies with larger market capitalizations are said to be more likely to be included.
Regarding changes to TOPIX constituents, the view has also been expressed that companies with larger market capitalizations are more likely to be selected. A specific list of the constituents to be changed was cited as information available at the time of the announcement.