Dear Customer,
Please be informed that the EEX Group DataSource Release 1.6.3 is scheduled for production on Saturday, 05 September 2026.
A short service interruption may occur in the morning, likely between 9 a.m. and 12 p.m. CEST. During this period, temporary limitations when accessing the EEX Group DataSource REST API (v2) may be experienced.
What are the changes?
EEX Group DataSource REST API (v2):
- Derivatives API:
- Earlier availability of reference data for all derivatives products, as well as earlier availability of Japanese derivatives trading data following the extension of trading hours. For further details, please refer to the related EEX Press Release.
- EGSI Day Index – Trade Date Display Update:
- The displayed Trade Date (field TrdDate) for the EGSI Day Index will be updated to reflect the actual index calculation date and align with the EGSI Day Index methodology.
- Previously, the Trade Date was displayed according to a different technical logic. This affected only the displayed Trade Date, the index calculation and resulting index values have been unaffected.
- This change will be visible for the first time on 11 September 2026 in the EEX Group DataSource REST API (v2).
- Historical data will not be adjusted.
- The index calculation methodology and the resulting index values remain unchanged.
The table below illustrates an example how the displayed Trade Date will change EGSI Day Index Trade Date values:
Index | Delivery Day | Trade Date (old) | Trade Date (new) |
EEX EGSI THE Day | 2026-09-12 | 2026-09-11 | 2026-09-11 |
EEX EGSI THE Day | 2026-09-13 | 2026-09-12 | 2026-09-11 |
EEX EGSI THE Day | 2026-09-14 | 2026-09-13 | 2026-09 11 |
All clients will be affected equally.
Documentation and specification
You will find updated endpoint specifications and yaml files with the new changes on our EEX Group DataSource Hubfollowing the update.
EEX Group DataSource Simulation Environment
All mentioned functionalities, except the earlier availability of reference data and Japanese derivatives trading data related to the trading hours extension, are expected to be available in our simulation environment approximately two weeks prior to this release. As this is a simulation environment, minor deviations from the production environment may occur. If you would like to receive access, please contact us at datasource@eex-group.com.
Should you require any further information, please do not hesitate to contact us.
CONTACT
Market Data Services
P +49 341 2156-288
datasource@eex-group.com