Two Datasets Added to "J-Quants Pro," JPX's Most Convenient Financial Data Distribution Service for Corporate Users

Rhea-AI Summary

JPX Market Innovation & Research (OTC:JPXGY) added two datasets to J-Quants Pro, its API/SFTP financial data distribution service for corporate users, effective Nov 4, 2025.

Key additions: Stock Prices (OHLC) with adjusted prices — session-level open/high/low/close, trading volume/value, before-and-after corporate-action adjustments and adjustment factors; and Outstanding Short Selling Positions Reported — short positions for stocks with reported short-selling ratios ≥0.5% under the Cabinet Office Order. The service also added daily open interest balance to the existing "Derivatives Trading Volume/Position by Participant" dataset

Data access, specs, and application details are available through J-Quants Pro online.

TOKYO, Sept. 9, 2024 /PRNewswire/ -- The JPX Market Innovation & Research, Inc., a leading global provider of Japan's financial market data, promptly added two data datasets to J-Quants Pro, a API/SFTP data distribution service covering most insightful data on Japanese financial markets for corporate users. In addition, daily open interest balance information is added to the "Derivatives Trading Volume by Participant / Open Interest by Trading Participant."

Stock Prices (OHLC) with adjusted Prices

• Opening/high/low/closing prices for each session (morning session, afternoon session, EOD), trading volume, and trading value for cash equities listed on the Tokyo Stock Exchange (TSE) market
• Stock prices are adjusted for corporate actions. Both before and after adjustment prices are provided with the adjustment factor

Outstanding Short Selling Positions Reported

• This data provides the short selling position of the stocks with the short selling ratio of 0.5% or more, based on the reports by trading participants in accordance with the regulation "Cabinet Office Order on Restrictions on Securities Transactions."

Derivatives Trading Volume / Position by Participant

• "Derivatives Trading Volume by Participant" provides daily trading flow (total of buys and sells) for each derivative product (futures and options) by trading participant.
• "Derivatives Position by Participant" provides weekly open interest for each derivative product (futures and options) by trading participant.
• Daily open interest balance for each derivatives product is newly added.

For detailed data specifications, please click on the following link.

About J-Quants Pro (https://jpx.gitbook.io/j-quants-pro)

How to Apply for "J-Quants Pro"

To use J-Quants Pro, please apply through the following website. Data specs and sample data are available.

• J-Quants Pro (https://pro.jpx-jquants.com)

About JPX Market Innovation & Research

JPX Market Innovation & Research, Inc. (JPXI) was established as a subsidiary of Japan Exchange Group, Inc. (TOKYO:8697) in 2022. It consolidates JPX Group's data/index services and system-related services, and leads further business enhancement of JPX Group by leveraging IT technologies and new business partnerships.

CONTACT: Frontier Development Department, JPX Market Innovation & Research, Inc., E-mail: jquants-pro@jpx.co.jp, Inquiry form: https://pro.jpx-jquants.com contact page.

View original content:https://www.prnewswire.com/news-releases/two-datasets-added-to-j-quants-pro-jpxs-most-convenient-financial-data-distribution-service-for-corporate-users-302239024.html

SOURCE JPX Market Innovation & Research, Inc.

FAQ

What new datasets did JPX (JPXGY) add to J-Quants Pro on Nov 4, 2025?

Two datasets: Stock Prices (OHLC) with adjusted prices and Outstanding Short Selling Positions Reported.

How does the new JPX J-Quants Pro OHLC dataset handle corporate actions for JPXGY data?

It provides both before-and-after adjusted prices plus the adjustment factor for each session (morning, afternoon, EOD).

What short-selling data is included in JPX's new dataset for JPXGY?

Short positions for stocks with a reported short-selling ratio of 0.5% or more, based on trading participant reports under the Cabinet Office Order.

What change was made to JPX's derivatives datasets on J-Quants Pro?

Daily open interest balance was added to the Derivatives Trading Volume/Position by Participant datasets for futures and options.

Can corporate users access sample data and specs for the new JPXGY datasets?

Yes. Data specifications and sample data are available through the J-Quants Pro application webpages.

How do corporate users apply to receive the new JPX J-Quants Pro datasets?

Corporate users must apply via the J-Quants Pro website to subscribe and access the datasets.