Apr. 22, 2026 TSE Public Release of the Report From the Working Group on Trading Rules
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The Tokyo Stock Exchange Inc. (TSE) has been working to improve its trading rules in order to enhance the convenience and transparency of the cash market, including the introduction of a closing auction session, the extension of trading hours, and optimization of tick sizes.
With a certain amount of time having passed since the introduction of these rules, TSE established a Working Group composed of a variety of market stakeholders last October. This group discussed the following topics based on evaluations of the rules' effectiveness since introduction, feedback from market stakeholders, and other information.
①Improving the Closing Auction Session
②Further Optimization of Tick Sizes
Based on the discussions held within the Working Group, we hereby publish the "Report From the Working Group on Trading Rules" as set out below.
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Japan Exchange Group, Inc. Corporate Communications
TEL:+81-3-3666-1361
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Japan Exchange Group Inc. published this content on April 22, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on April 22, 2026 at 07:03 UTC.
Japan Exchange Group Inc is a Japan-based financial instruments exchange holding company that lists securities and derivatives, provides trading venues, clearing and settlement services and index and information services. It operates through the Financial Instruments Exchange Business segment. Spot market is centered on the stock market. Derivatives market offers trading of index futures, index options, government bond futures, government bond futures options, securities options and commodity futures. Trading systems include arrowhead for the spot market and J-GATE for the derivatives market. Information services provide real-time information on securities trading and derivatives transactions, as they occur and change, as well as index information calculated based on stock price information and various statistical information. It provides self-regulatory functions and clearing and settlement. It also handles the transfer of securities between securities companies, banks and others.
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