For the complete documentation index, see llms.txt. This page is also available as Markdown.

About the Service

What is the J-Quants Pro?

J-Quants Pro is a service that delivers Japanese financial data for institutional users in an easy-to-use manner. The datasets to be offered through J-Quants Pro, including data that is available on the JPX website but in less user-friendly formats, as well as dataset which historical data is not accessible on the website. Additionally, the datasets currently available through our other services are also accessible via APIs and SFTP.

What data are available with the J-Quants Pro?

Click the link below to see the data currently offered.

Data History

Is CSV format available besides API?

CSV file format is available via SFTP in addition to APIs. However, please note that the update frequency on the CSV is different from APIs at this moment. For more details, please refer to the following link.

SFTP Specifications

Is J-Quants Pro different from J-Quants API?

While J-Quants Pro is a service for institutional users, J-Quants API is for individuals. For more information about J-Quants API, please refer to the website. Please note that enterprise users can’t use J-Quants API.

What is the difference between J-Quants Pro and other data delivery services provided by JPX?

Some are the same, some differ.

For example, Margin Trading Outstanding (Weekly) data has longer historical data with J-Quants Pro, while other service has limited history. Of course, J-Quants Pro delivers the data via APIs is the most unique point.

In addition, J-Quants Pro can offer multiple datasets under single agreement. Users don’t have to waste time reviewing documents with legal personnel when they purchase additional data in the future.

Last updated