TOPIX

For more information on Index revisions after April 2022, click the link below.
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

Review of issues to which the liquidity factor is applied (As of April 30, 2025）
List of Phased Weighting Reduction Constituents in TOPIX (As of October 7, 2022）
List of Phased Weighting Reduction Constituents in TOPIX (After Re-evaluation)

*"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.

JPX Data Cloud

Contact

JPX Market Innovation & Research, Inc.　Index Business
E-mail:index@jpx.co.jp

Calculation Method

Tokyo Stock Exchange Index Guidebook (TOPIX)

Free Float Weight Calculation Methodology

Historical Index Value

As of end of 2024

(Note)

Open/High/Low/Closing Prices*Figures are based on closing prices and a calender year.

TOPIX New Index Code information

The result of periodic review of TOPIX new index series (October 31, 2024)
The result of periodic review of TOPIX new index series (October 31, 2023)
New Index Series Code of newly added companies

TOPIX Related ETFs

Listed Issues

Related Information

Factsheet

Calculation Method after revisions of TOPIX and other indices

Tokyo Stock Exchange Index Guidebook (TOPIX)

TOPIX Next-tier
Tokyo Stock Exchange Growth Market 250 Index
Free Float Weight Calculation Methodology

News


2024/10/16	TOPIX Banks High Dividend Index to be Launched
2024/10/7	Constituent Change in TOPIX New Index Series
2024/9/27	Revisions of TOPIX and Other Indices
2024/9/4	Calculation of TOPIX in relation to shares of TOBISHIMA HOLDINGS Inc.
2024/8/27	Index Calculation in Relation to Shares of MELCO HOLDINGS INC.
2024/6/19	Index Consultation on Revisions of TOPIX and Other Indices
2024/5/7	Calculation of TOPIX in relation to shares of SAMTY HOLDINGS Co.,Ltd.
2024/3/5	Calculation of TOPIX in relation to shares of Ryoyo Ryosan Holdings,Inc.
2023/10/6	Constituent Change in TOPIX New Index Series
2023/10/6	Re-evaluating Phased Weighting Reduction Constituents in TOPIX
2023/9/5	Calculation of TOPIX in relation to shares of MIGALO HOLDINGS Inc., etc.
2023/8/16	Index Calculation in relation to shares of JAPAN POST HOLDINGS Co.,Ltd. (6178)
2023/7/14	Calculation of TOPIX in relation to shares of Confidence Inc.
2023/6/5	Calculation of TOPIX in relation to shares of Integrated Design & Engineering Holdings Co.,Ltd.
2023/3/3	Calculation of TOPIX in relation to shares of NIPPON KANZAI Holdings Co.,Ltd.
2022/10/7	Constituent Change in TOPIX New Index Series
2022/10/7	Publication of List of Phased Weighting Reduction Constituents in TOPIX and Tokyo Stock Exchange Mothers Index
2022/9/16	Index Calculation in relation to shares of NIPPON TELEGRAPH AND TELEPHONE CORPORATION (9432)
2022/9/5	Calculation of TOPIX in relation to shares of WOW WORLD GROUP Inc., etc.
2022/8/3	Calculation of TOPIX in relation to shares of PICKLES HOLDINGS CO.,LTD.
2022/3/3	Calculation of TOPIX in relation to shares of Procrea Holdings,Inc.
2021/12/3	Calculation of TOPIX in relation to shares of NIPPON EXPRESS HOLDINGS,INC., etc.
2021/10/15	Index Calculation in relation to shares of JAPAN POST HOLDINGS Co.,Ltd. (6178)
2021/10/7	Constituent Change In TOPIX New Index Series
2021/9/3	Calculation of TOPIX in relation to shares of INFRONEER Holdings Inc., etc.
2021/6/14	Index Calculation in relation to shares of JAPAN POST HOLDINGS Co.,Ltd. (6178)
2021/6/3	Calculation of TOPIX in relation to shares of Densan System Holdings Co.,Ltd., etc.
2021/4/30	Revisions of TOPIX and Other Indices
2021/3/4	Recognition under EU Benchmark Regulation
2021/3/3	Calculation of TOPIX in relation to shares of ASKA Pharmaceutical Holdings Co.,Ltd.etc.
2020/12/25	Index Consultation on Revisions of TOPIX and Other Indices
2020/10/7	Constituent Change In TOPIX New Index Series
2020/6/22	Postponement of Periodic Review of Free-Float Weight
2020/6/16	Revisions to the Index Guidebooks for TOPIX, etc.
2020/3/27	Change in Minor Adjustment Date Related to Ex-dividend　for TOPIX, etc.
2020/3/4	Calculation of TOPIX in relation to shares of A.D.Works Group Co.,Ltd.
2020/2/21	Decision on Calculation of indices in relation to shares of KOSHIDAKA HOLDINGS Co.,LTD.
2020/2/21	Publication of "Planned Measures for Review of Tokyo Stock Price Index (TOPIX), etc."
2020/1/29	Calculation of indices in relation to shares of KOSHIDAKA HOLDINGS Co.,LTD.
2019/10/07	Constituent Change In TOPIX New Index Series
2019/9/18	Calculation of TOPIX in relation to shares of　TABUCHI ELECTRIC CO.,LTD. and DIAMOND ELECTRIC HOLDINGS Co.,Ltd.
2019/9/12	Index Calculation in relation to shares of NIPPON TELEGRAPH AND TELEPHONE CORPORATION (9432)
2019/8/5	Calculation of TOPIX in relation to shares of　YAKUODO HOLDINGS Co.,Ltd.
2019/5/8	Calculation of TOPIX in relation to shares of Star Mica Holdings Co.,Ltd.
2019/2/5	Calculation of TOPIX in relation to shares of HITO-Communications Holdings,Inc.

Data & Statistics

Indices

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