New Information

We'll keep you posted on what's new

• 2024.3.28 Indices by industry and market have been added to the Indices(OHLC).

• 2024.3.28 The Update Timing of Provided Data in the Trading Calendar has been corrected.

• 2024.2.28 Data correction history has been updated.

• 2023.12.20 A new API(/indices) has been released to retrieve various indices available in the Standard and Premium plans.

• 2023.11.28 An omission of AfternoonTurnoverValue in data item list of the API specification for stock prices (OHLC) has been fixed.

• 2023.11.07 Data correction history has been updated.

• 2023.10.27 The response from the API is changed to Gzip. Some action may be required on the client side depending on the usage pattern. Please refer to this page.

• 2023.09.22 Data correction history has been updated.

• 2023.08.29 The Available APIs and Data Periods per Plan in the financial statements (BS/PL) has been corrected.

• 2023-08-28 New API has been released to retrieve detailed information on financial statements available under the premium plan.

Past Notifications

• 2023-06-30 MarginCode available for standard and premium plan have been added to the Listed Issue Information.

• 2023-06-16 Flags of upper price limit and lower price limit have been added to the Stock Prices (OHLC). Due to this change, paging of responses may be required. Please refer to this page for details on paging of responses.

• 2023-06-12 Future release schedule is updated. Please note that we are planning to restrict the use of the Stock Prices API due to maintenance work on June 16.

• 2023-06-09 Known issues and restrictions is updated.

• 2023-05-12 Future release schedule is updated.

• 2023-05-08 New API has been released to retrieve business day calendar.

• 2023-04-27 Paging functionality has been released. The future release schedule has been updated. Please note that API usage will be restricted on May 10 due to our maintenance.

• 2023-04-03 The paid version has been officially released.

What's New

Released items

Recent released items

Release date	Changes	Notes
2024-03-28	Indices by industry and market have been added to the Indices(OHLC).	Please refer to this page.
2023-12-20	A new API(/indices) has been released to retrieve various indices available in the Standard and Premium plans.	Please refer to this page.
2023-10-27	The response from the API is changed to Gzip for the purpose of reducing data traffic.	It is assumed that basically no action is required on the client side due to this specification change, but some action may be required on the client side depending on the usage pattern. Please refer to this page.
2023-08-28	New API has been released to retrieve detailed information on financial statements available under the premium plan.	Please refer to this page.
2023-06-30	MarginCode have been added to the Listed Issue Information.	Please refer to this page.
2023-06-16	Flags of upper price limit and lower price limit have been added to the Stock Prices (OHLC).	Please refer to this page. Due to this change, paging of responses may be required. Please refer to this page for details on paging of responses.

Past released items

Release date	Changes	Notes
2023-05-08	New API has been released to retrieve business day calendar.	Please refer to this page.
2023-04-27	A function for paging when the response data size is too large has been released.	・For details of the paging method, please refer to this page. ・The following issues have been resolved - Unable to get data for 2022-05-13 by specifying only date - Unable to get data without specifying date
2023-04-03	The paid version has been officially released.

Data correction history

Recent data correction history

Date the correction was made	API	Period subject to correction	Correction details
2024-2-28	Financial Data Financial Statement Data(BS/PL)	2009-01-13 ー 2024-02-28	Please refer to this page.
2023-11-07	Short Sale Value and Ratio by Sector	2023-11-06	Corrected entire data for 2023-11-06.
2023-09-22	Breakdown Trading Data	-	Delete data for the following items issue code: 20000, 30000, 50000

Past data correction history

Date the correction was made	API	Period subject to correction	Correction details
2023-04-10	Financial Data	2008-07-07 ー 2014-03-31	Correct missing data for the following items ResultDividentPerShareAnual In some cases, values for the previous accounting period were included in each item, so these values were corrected to the values for the current accounting period.
2023-04-10	Stock Prices (OHLC)	2023-03-28	Add missing data for 2023-03-28
2023-04-04	Financial Data	2008-07-07 ー 2014-03-31	Correct missing data for the following items TypeOfCurrentPeriod CurrentPeriodStartDate CurrentPeriodEndDate CurrentFiscalYearStartDate CurrentFiscalYearEndDate
2023-04-04	Index Option Prices(OHLC)	2008-05-07 ー 2016-07-15	Correct ContractMonth (contract month) to be in YYYY-MM format.

Known issues and restrictions

Known issues and restrictions

Update date	API	Details	Workaround	Resolved date
-

Resolved

Update date	API	Details	Workaround	Resolved date
2023-06-09	Financial Data	Incorrect TypeOfCurrentPeriod and CurrentPeriodEndDate ・Disclosure dates 2017-04-27, 2017-07-27, and 2017-10-30 for issue code 36330 ・Disclosure dates 2015-04-28 and 2015-07-29 for issue code 60260	It is possible to check which period by the value of TypeOfDocument Type of document	2024-02-28
2023-04-10	Trading by Type of Investors	Unable to get data without specifying date	specify date or section to narrow down target data	2023-04-27
2023-04-03	Financial Data	Unable to get data for 2022-05-13 by specifying only date	specify date and code to narrow down target data	2023-04-27

Future release schedule

Scheduled release dates are subject to change.

Scheduled Release Date	Releases	Restrictions on Use
To be decided	To be decided	To be decided