TOPIX

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)
Component Issues All the domestic common stocks listed on the TSE First Section
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-xls
Review of issues to which the liquidity factor is applied (As of April 30, 2021) icon-pdf
(note)
  • Please note that effective as of the end of October 2016, the update time and contents has changed as follows:
    1.Change of update time
    The monthly component weight data (as of the end of the month) for TOPIX will be updated on or after 4:20 pm (Japan time) on the last business day of the following month.
    Ex) Monthly component weight data as of the end of October will be updated on or after 4:20 pm on the last business day of November.
    2.Changes in contents
    Publication of "Free Float Weight of TOPIX" has been terminated at the end of September.
    3.Alternative source of information
    Alternative information is available on "JPX Data Cloud".
    Please refer to “End of month Master Of Index” from the following link.

JPX Data Cloudicon-block
(note)
  • Publication of “Updated FFW” has been terminated at the end of October.2016.

Contact

Tokyo Stock Exchange, Inc. Information Services
E-mail:index@jpx.co.jp

Calculation Method

Tokyo Stock Exchange Index Guidebook icon-pdf

Free-Float Weight Calculation Methodology

Calculation Method (Effective on April 4, 2022)

TSE Index Guidebook (TOPIX) icon-pdf
TSE Index Guidebook (TOPIX New Index Series - Size-based TOPIX Sub-Indices) icon-pdf
TSE Index Guidebook (TOPIX Sector Indices・ TOPIX-17 series) icon-pdf
TSE Index Guidebook (TOPIX Style Index Series) icon-pdf
TSE Index Guidebook (Tokyo Stock Exchange Dividend Focus 100 Index) icon-pdf
TSE Index Guidebook (TOPIX High Dividend Yield 40 Index) icon-pdf
TSE Index Guidebook (TOPIX Ex-Financials) icon-pdf
TSE Index Guidebook (Transition Indices) icon-pdf
TSE Index Guidebook (TSE Prime Market Index, TSE Standard Market Index and TSE Growth Market index) icon-pdf
TSE Index Guidebook (TSE Standard Market TOP20 Index/TSE Growth Market Core Index) icon-pdf
TSE Index Guidebook (TSE Prime Market Composite Index) icon-pdf
TSE Index Guidebook (Ex-TSE First Section Index) icon-pdf
TSE Index Guidebook (TSE Mothers Index) icon-pdf
Index Calculation Guidebook icon-pdf
Free Float Weight Calculation Methodology icon-pdf

Above documents are scheduled to be effective on April 4, 2022. Contents are subject to be revised by the effective date.

Historical Index Value

As of end of 2020 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 29, 2021) icon-pdf
The result of periodic review of TOPIX new index series (October 30, 2020) icon-pdf
New Index Series Code of newly added companies icon-xls

TOPIX Related ETFs

Listed Issues

Related Information

Factsheet

News

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.
2018/12/17 Calculation of TOPIX and its Sub-indices in Relation to Shares of
Takeda Pharmaceutical Company Limited and LIFULL Co., Ltd.
2018/10/5 Constituent Change In TOPIX New Index Series etc.
2018/9/5 Calculation of TOPIX in relation to shares of Daishi Hokuetsu Financial Group,Inc.
2018/6/20 Calculation of indices in relation to shares of Akatsuki Corp.
2018/6/5 Calculation of TOPIX in relation to shares of Future Innovation Group,Inc and Mobile Create Co.,Ltd.
2018/3/5 Calculation of TOPIX in relation to shares of Kansai Mirai Financial Group,Inc.
2018/2/2 Calculation of indices in relation to shares of HIROSE ELECTRIC CO.,LTD.
2017/11/24 Calculation of TOPIX in relation to shares of Genky DrugStores Co.,Ltd.
2017/11/06 Calculation of TOPIX in relation to shares of YAMASHITA HEALTH CARE HOLDINGS,INC.
2017/10/06 Constituent Change In TOPIX New Index Series etc.
2017/9/25 (Correction) Index Calculation in relation to shares of JAPAN POST HOLDINGS Co., Ltd. (6178)
2017/9/25 Index Calculation in relation to shares of JAPAN POST HOLDINGS Co., Ltd. (6178)
2017/9/14 Index Calculation in relation to shares of JAPAN POST HOLDINGS Co., Ltd. (6178)
2017/4/10 Calculation of indices in relation to shares of Akatsuki Corp.
2017/3/15 Calculation of indices in relation to shares of SATO FOODS CO.,LTD.
2016/12/05 Calculation of TOPIX in relation to shares of AOI TYO Holdings Inc
2016/10/25 Calculation of TOPIX in relation to shares of KUSURI NO AOKI HOLDINGS CO.,LTD.
2016/10/7 Constituent Change In TOPIX New Index Series
2016/9/5 Calculation of TOPIX in relation to shares of Nishi-Nippon Financial Holdings,Inc.
2016/8/3 Calculation of TOPIX in relation to shares of DAIYU LIC HOLDINGS CO.,LTD.
2016/7/21 Calculation of TOPIX in relation to shares of SATUDORA HOLDINGS CO.,LTD.
2016/6/15 Calculation of TOPIX in relation to shares of NIPPON TELEGRAPH AND TELEPHONE CORPORATION. (9432)
2016/4/19 Calculation of indices in relation to shares of Water Direct Corporation
2016/3/3 Calculation of TOPIX in relation to shares of Concordia Financial Group,Ltd. etc.
2016/2/24 Calculation of TSE Indices in relation to shares of SAKHA DIAMOND Corp. (9898)
2015/11/11 Revision of Index Guidebooks
2015/10/7 Constituent Change In TOPIX New Index Series
2015/09/14 Calculation of TSE Indices in relation to shares of Red Planet Japan,Inc. (3350)
2015/09/04 Calculation of TOPIX in relation to shares of COSMO OIL COMPANY,LIMITED etc.
2015/09/04 Calculation of Tokyo Stock Exchange REIT Index in relation to shares of Nomura Real Estate Master Fund,Inc. etc.
2015/08/26 Calculation of TOPIX in relation to shares of WATABE WEDDING CORPORATION.
2015/08/05 Calculation of TOPIX in relation to shares of PiPEDO HD, Inc.
2015/06/22 Calculation of TSE Indices in relation to shares of GENERATION PASS CO.,LTD. (3195)
2015/05/11 Calculation of TSE Indices in relation to shares of LCA Holdings Corporation (4798)
2015/03/18 Calculation of indices in relation to shares of Oak Capital Corporation
2015/03/04 Calculation of TOPIX in relation to shares of MACNICA FUJI ELECTRONICS HOLDINGS,INC.
2015/02/04 Calculation of indices in relation to shares of HIROSE ELECTRIC CO.,LTD.
2015/01/23 Calculation of indices in relation to shares of NSD CO., LTD.
2014/12/08 Calculation of TSE Indices in relation to shares of Chuetsu Pulp & Paper Co.,Ltd. (3877)
2014/12/01 Calculation of TOPIX in relation to shares of NIPPON TELEGRAPH AND TELEPHONE CORPORATION. (9432)
2014/11/17 Calculation of TOPIX in relation to shares of NIPPON TELEGRAPH AND TELEPHONE CORPORATION. (9432)
2014/09/17 Calculation of TSE Indices in relation to shares of AGET Inc. (7853)
2014/08/05 Calculation of TSE Indices in relation to shares of ITOCHU Corporation (8001)
2014/06/20 Calculation of TSE Indices in relation to shares of LCA Holdings Corporation (4798)
2014/03/10 Calculation of TOPIX in relation to shares of NIPPON TELEGRAPH AND TELEPHONE CORPORATION. (9432)
2014/03/10 Calculation of TSE Indices in relation to shares of ARDEPRO Co.Ltd. (8925)