The story
The roots of JPX trace back to November 22, 2011, when TSE and OSE decided to merge into one, as a solution to slowing market conditions in Japan. The merger was subsequently approved on July 5, 2012, when the Japan Fair Trade Commission approved the TSE-OSE merger, paving the way for the formation of JPX. On January 1, 2013, JPX was officially launched. The remainder of the merger was realized through a series of changes:
On January 4, 2013, JPX was listed at TSE's First Section (8697). JPX also assumed OSE's own ticker symbol (also 8697).
On July 16, 2013, The cash equity market of OSE was transferred and integrated into TSE. The self-regulatory operations of OSE were integrated into Tokyo Stock Exchange Regulation. The derivatives clearing operations of OSE were integrated into Japan Securities Clearing Corporation.
On October 1, 2013, Japan Securities Clearing Corporation merged with Japan Government Bond Clearing Corporation.
On March 24, 2014, Osaka Securities Exchange Co., Ltd was renamed Osaka Exchange, Inc. The TSE derivatives market was transferred and integrated into OSE.
On April 1, 2014, Tokyo Stock Exchange Regulation was renamed Japan Exchange Regulation.
On July 11, 2014 JPX signed a comprehensive Memorandum of Understanding (MOU) with Bank of China Limited.
On November 1, 2014, TSE and OSE opened a joint representative office in Hong Kong.
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In December 2014, JPX concluded a Letter of Interest (LOI) with Singapore Exchange. In the same month, JPX signed a joint venture agreement with Daiwa Institute of Research Ltd., the research arm of Daiwa Securities Group, and Myanma Economic Bank to establish Yangon Stock Exchange.
In May 2015, TSE and OSE opened a joint branch office in Singapore.
On October 1, 2019, JPX acquired Tokyo Commodity Exchange, Inc. (TOCOM), to expand its derivatives trading business in the commodity market. In turn, TOCOM became a wholly owned subsidiary of the Group.
On November 25, 2021, JPX launched a new subsidiary, JPX Market Innovation & Research, Inc. (JPXI), which would provide financial market data and price index services and system-related services to financial data vendors.
On April 1, 2022, in order to strengthen business activities in the Kansai region, JPX established Osaka Head Office and Osaka IPO Center in the Osaka Securities Exchange Building at Kitahama, Osaka. The Osaka site would take over the entire operations of JPX in the event of a wide-ranging disaster in the National Capital Region. TSE and OSE transferred and integrated their data and digital businesses into JPXI. TSE also merged its IT services arm, Tosho System Service Co., Ltd. (TSS), into JPXI, which would inherit the rights and obligations of all business carried out by TSS, such as system development, operations, consulting, and telecommunication services.
In July 2023, JPX launched a new stock market index, the JPX Prime 150 Index, to track the performance of the Japanese blue chips. Subsequently, on March 18, 2024, Nomura Asset Management listed an exchange-traded fund (ETF) for the index on TSE, the same day that index futures contract was launched on OSE.
From Wikipedia’s article on Japan Exchange Group, shared under CC BY-SA 4.0.5