Search

Revisions to Trading Rules for Options Trading | Japan Exchange Group Mar. 27, 2025 OSE Revisions to Trading Rules for Options Trading Post Osaka Exchange, Inc. (OSE) has decided to revise the tick sizes for Nikkei 225 Options and Nikkei 225 mini Options to enhance the convenience for market participants in the auction market by reducing transaction execution costs. Additionally, to promote the smooth price formation of options trading, OSE has decided to revise the Immediately Executable Price Range ("DCB Price Range") according to the reference price for index options trading and securities options trading. OSE will be accepting public comments regarding this matter starting today. OSE will implement these changes on August 18, 2025 (Planned). Public Comments Contact Osaka Exchange　　 TEL:+81-6-4706-0800 Back to list...

Revision to DCB Price Range for Nikkei 225 Options and mini Options (April 15, 2025 - ) | Japan Exchange Group Apr. 14, 2025 OSE Revision to DCB Price Range for Nikkei 225 Options and mini Options (April 15, 2025 - ) Post Since 11:45 p.m.(JST) on April 3, 2025, Osaka Exchange Inc. (OSE) has expanded the DCB Price Range for Nikkei 225 Options trading and mini Options trading. However, based on recent market conditions and other factors, OSE has decided to return the DCB Price Range to the initial one, as follows. 1 Contracts All Nikkei 225 Options and mini Options contracts 2 Period From April 15, 2025 3 Revised DCB Price Range 100 ticks → 10 ticks * The DCB Price Range for the opening and closing auctions will also be returned to 60 ticks and 30 ticks, respectively. [Completion Notice] Expansion of DCB Price Range for Nikkei 225 Options and mini ...

Trading Value in Dark Pools Related to Stock Index Futures (until March 2025) | Japan Exchange Group Apr. 21, 2025 OSE Trading Value in Dark Pools Related to Stock Index Futures (until March 2025) Post In June 2019, the Working Group on Financial Markets under the Financial System Council indicated measures for increasing the transparency of dark pool transactions, such as the close monitoring of dark pool usage. Accordingly, the Cabinet Office Order on Financial Instruments Business and the Comprehensive Guidelines for Supervision of Financial Instruments Business Operators were revised on June 19 2020, and OSE has introduced a flag system to identify orders matched in dark pools that are routed to the J-NET market to contribute to increased dark pool transparency. Based on this flag system, we have compiled a summary of the changes in trading value in dark pools (September 2020 to March 2025), as follows: Notes: 1. ...

Derivatives Holiday Trading (April 29, 2025) | Japan Exchange Group Apr. 28, 2025 OSETOCOM Derivatives Holiday Trading (April 29, 2025) Post The derivatives market will be open for holiday trading on Tuesday, April 29, 2025 (Showa Day). Related Page Holiday Trading Contact Osaka Exchange　　 TEL:+81-6-4706-0800 Back to list...

Derivatives Holiday Trading (May 5 and 6, 2025) | Japan Exchange Group May 02, 2025 OSETOCOM Derivatives Holiday Trading (May 5 and 6, 2025) Post The derivatives market will be open for holiday trading on Monday, May 5 and Tuesday, May 6, 2025 (Children's Day and Substitute Holiday of Greenery Day). Related Page Holiday Trading Contact Osaka Exchange　　 TEL:+81-6-4706-0800 Back to list...

Periodic Review of "JPX-Nikkei Index 400" and "JPX-Nikkei Mid and Small Cap Index" | Japan Exchange Group Aug. 05, 2022 OSEJPXI Periodic Review of "JPX-Nikkei Index 400" and "JPX-Nikkei Mid and Small Cap Index" Tweet The periodic review of the JPX-Nikkei Index 400 and the JPX-Nikkei Mid and Small Cap Index, jointly calculated by JPX Market Innovation & Research, Inc. and Nikkei Inc., has been conducted as follows. Periodic Review of "JPX-Nikkei Index 400" and "JPX-Nikkei Mid and Small Cap Index" Annex1.Referential Data for JPX-Nikkei Index 400 Periodic Review Annex2.Referential Data for JPX-Nikkei Mid and Small Cap Index Periodic Review JPX-Nikkei Index 400 Constituents (applied on August 31, 2022) JPX-Nikkei Mid and Small Cap Index Constituents (applied on August 31, 2022) Contact JPX Market Innovation & Research, Inc.　Index Business E-mail:index@jpx.co.jp Back to list...

Publication of List of Phased Weighting Reduction Constituents in TOPIX and Tokyo Stock Exchange Mothers Index | Japan Exchange Group Oct. 07, 2022 JPXI Publication of List of Phased Weighting Reduction Constituents in TOPIX and Tokyo Stock Exchange Mothers Index Tweet In April 2021, JPX Market Innovation and Research, Inc. (JPXI) decided through Index Consultation that TOPIX and the Tokyo Stock Exchange Mothers Index would continue to be calculated after reviewing the calculation guidelines in response to the market restructuring on April 4, 2022. In addition, JPXI had decided to implement the revisions in stages, having fully considered the issue of continuity as well as the impact on the market. Today, JPXI has published the list of "phased weighting reduction constituents" in TOPIX and Tokyo Stock Exchange Mothers Index as follows. 1. TOPIX List of Phased Weighting Reduction Constituents in TOPIX Please refer to the documents below for the details of ...

Deletion from the JPX-Nikkei 400 | Japan Exchange Group Jun. 02, 2023 OSEJPXI Deletion from the JPX-Nikkei 400 Tweet JPX Market Innovation & Research, Inc. and Nikkei Inc. will make the following deletion from the JPX-Nikkei Index 400 constituent in accordance with the constituent selection rule. Deletion from the JPX-Nikkei 400 Contact JPX Market Innovation & Research, Inc.　Index Business E-mail: index@jpx.co.jp Back to list...

Calculation of TOPIX in relation to shares of Integrated Design & Engineering Holdings Co.,Ltd. | Japan Exchange Group Jun. 05, 2023 JPXI Calculation of TOPIX in relation to shares of Integrated Design & Engineering Holdings Co.,Ltd. Tweet JPX Market Innovation & Research, Inc. made an announcement today regarding calculation of TOPIX and its sub-indices concerning the following shares to be de-listed on June 29, 2023 and shares to be listed on Tokyo Stock Exchange July 3, 2023 due to stock transfer. Calculation of TOPIX in relation to shares of Integrated Design & Engineering Holdings Co.,Ltd. Contact JPX Market Innovation & Research, Inc.　Index Business E-mail: index@jpx.co.jp Back to list...

Deletion from the JPX-Nikkei Mid Small | Japan Exchange Group Jul. 05, 2023 JPXI Deletion from the JPX-Nikkei Mid Small JPX Market Innovation & Research, Inc. and Nikkei Inc. will make the following deletion from the JPX-Nikkei Mid and Small Cap Index constituent in accordance with the constituent selection rule. Deletion from the JPX-Nikkei Mid Small Contact JPX Market Innovation & Research, Inc.　Index Business Dept. E-mail: index@jpx.co.jp Back to list...