TOPIX
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Overview of Index Revisions
What is TOPIX ?

TOPIX is a market benchmark with functionality as an investable index, covering an extensive proportion of the Japanese stock market. TOPIX is a free-float adjusted market capitalization-weighted index. TOPIX shows the measure of current market capitalization assuming that market capitalization as of the base date (January 4 ,1968) is 100 points. This is a measure of the overall trend in the stock market, and is used as a benchmark for investment in japan stocks.
Summary of TOPIX
Index Name | TOPIX (Tokyo Stock Price Index) |
Calculation Method | Free-float adjusted market capitalization-weighted |
Start of Calculation | Jul. 1, 1969 The price return index is calculated and disseminated in real-time (per sec). |
Base Date / Base Point | Jan. 4, 1968 / 100 points |
Component Issues
*"TOPIX Component Stocks Weight" data as of the end of month will be updated on or after 4:20 pm on the last business day of next month.
*Constituents information as TOPIX is available on "JPX Data Cloud".
Please refer to "End of month Master Of Index" from the following link.
Contact
JPX Market Innovation & Research, Inc. Index Business
E-mail:index@jpx.co.jp
Calculation Method
Historical Index Value
(Note)
- Open/High/Low/Closing Prices*Figures are based on closing prices and a calender year.