JPX Monthly Headlines

On November 4, JPXI launched “J-Quants Datacube,” a “one-time purchase” market place for financial data. This service functions as a fundamental renewal of the JPX Data Cloud, offering a host of new features and an overall improved data-purchasing experience.
Additionally, on November 17, “Share Buyback Information Data” was added to J-Quants Pro. This new dataset offers comprehensive share buyback information for all listed domestic equities, as well as corresponding historical data. Furthermore, the Scheduled Earnings Announcement dataset has been enhanced with the addition of estimated times for earnings announcements according to JPX’s proprietary model, enabling more effective risk management and analysis.
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With the support of Amazon Web Services (AWS), JPX Market Innovation & Research, Inc. (JPXI) is working to achieve the goal of turning Japan Exchange Group, Inc. (JPX) into a “global, comprehensive finance and information platform, which was set out in JPX’s Medium-Term Management Plan.
In light of this, JPXI has decided to migrate the Timely Disclosure Network (TDnet), which provides material corporate information, to AWS.
In doing so, JPXI aims to improve the system’s stability, resilience, and functionality. Furthermore, by leveraging AWS’s digital technologies, we have achieved the launch and enhancement of JPX’s integrated data services platform “J-LAKE,” and the securities data platform “JPxData Portal.” Going forward, JPXI will continue to strengthen its ties with AWS and strive to create new value.

Osaka Exchange (OSE) is pleased to announce that the notional amount of trades in single stock options (SSOs) in October 2025 reached approximately JPY 96.8 billion, marking the highest level since the integration of the OSE and Tokyo Stock Exchange derivatives markets in 2014. With earnings announcements approaching for many companies, this significantly surpasses the previous high of JPY 68.5 billion set in September 2025, marking a record for the second consecutive month.
OSE will continue its efforts to improve efficiency in the SSO market in order to meet the needs to market stakeholders.

In October 2025, total clearing value of JPY interest rate swaps at Japan Securities Clearing Corporation (JSCC) reached approximately JPY 1,526 trillion, setting a new record high. Additionally, in September 2025, JSCC received a determination from the U.S. CFTC allowing U.S. customers access to JSCC’s interest rate swap clearing services. This is expected to drive further market expansion going forward.
In October 2025, total trading volume for 3-Month TONA Futures at Osaka Exchange reached approximately 250,000 contracts, marking the highest level in 2025 and the second highest since the market launched in May 2023. While foreign investors have previously dominated this market, a trend of increased trading by domestic financial institutions has emerged since 2025, leading to greater market activity. As the world’s most liquid TONA futures market, we will continue striving to further enhance liquidity.