News Release
May 07, 2025 JPXI JPXI Adds “Outstanding Short Selling Positions Reported” to J-Quants API Data Service
The following article contained an error regarding the start date and has been corrected.
Before: May 5, 2025
After: in the near future
JPX Market Innovation & Research (JPXI) will add the Outstanding Short-Selling Positions Reported dataset in the near future to J-Quants API, a data distribution service offering individuals insightful data on Japanese financial markets.

Outstanding Short Selling Positions Reported Data
This dataset features information on short selling positions whose ratio is 0.5% or more of those reported by trading participants, in accordance with the Cabinet Office Order on Restrictions on Securities Transactions. Outstanding short selling position data has previously been available via the JPX website but is limited to the past 12 months in Excel format. With this release, J-Quants API subscribers will be able to access this data in a structured format and with an extended historical period (Standard Plan: 10 years, Premium Plan: From Nov. 2013).
What are Outstanding Short Selling Position Reports?
When investors conduct short sales of securities exceeding a certain level, the Cabinet Office Order on Restrictions on Securities Transactions requires that a report be filed by the corresponding trading participant. For further information on the Cabinet Office Order, please refer to the following link.
Available Data and Pricing Plans
J-Quants API offers four plans, including a free plan. With a monthly subscription, users gain unlimited access to the data within their plan.
Plan | Free | Light | Standard | Premium |
Prices (tax incl.) | JPY 0 | JPY 1,650/mo | JPY 3,300/mo | JPY 16,500/mo |
History | 2 years [12-week delay] |
5 years | 10 years | All periods offered |
Listed Issue Master | ✓ | ✓ | ✓ | ✓ |
Stock Prices (OHLC) | Day | Day | Day | AM/PM/Day |
Financial Data | ✓ | ✓ | ✓ | ✓ |
Earnings Calendar | ✓ | ✓ | ✓ | ✓ |
Trading Calendar | ✓ | ✓ | ✓ | ✓ |
Trading by Type of Investors | - | ✓ | ✓ | ✓ |
TOPIX Prices (OHLC) | - | ✓ | ✓ | ✓ |
Indices (OHLC) | - | - | ✓ | ✓ |
Nikkei 225 Option Prices (OHLC) | - | - | ✓ | ✓ |
Margin Trading Outstandings | - | - | ✓ | ✓ |
Short Sale Value and Ratio by Sector | - | - | ✓ | ✓ |
Outstanding Short Selling Positions Reported | - | - | ✓ | ✓ |
Breakdown Trading Data | - | - | - | ✓ |
Morning Session Stock Prices (OHLC) | - | - | - | ✓ |
Cash Dividend Data | - | - | - | ✓ |
Financial Statement Data (BS/PL) | - | - | - | ✓ |
Futures Prices (OHLC) | - | - | - | ✓ |
Options Prices (OHLC) | - | - | - | ✓ |
- Free plans are distributed with a 12-week delay.
- Some data may not be available for the periods above.
How to Apply
Please register on the following website to subscribe to J-Quants API.
Contact
JPX Market Innovation & Research Frontier Development Department
E-mail:j-quants@jpx.co.jp