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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 icon-csv

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

*"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

As of end of 2024 icon-xls

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

TOPIX Related ETFs

Related Information

Calculation Method after revisions of TOPIX and other indices

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

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.