A member of
Eurex Clearing
1. Introduction
With this circular, Eurex announces the production launch of Prisma Release 15.1, which is scheduled for Monday, 18 May 2026. The simulation environment is planned to be available from 24 March 2026.
Simulation start: 24 March 2026
Production start: 18 May 2026
Learn now more about Prisma Release 15.1 on our dedicated initiative page under the following link: Prisma Release 15.1. Circulars, timeline and much more information will be available there for you.
2. Required action
We kindly ask all Clearing Members and participants to adjust their systems and internal processes to support the changes in member reports as per this circular. A short description of the TE Files, mentioned under 3.A, will be available in the updated version of the Prisma Methodology User Guide which can be found in the Member Section of Deutsche Börse Group (before the Simulation start) under the following path:
Resources > Eurex Clearing > Documentation & Files > Eurex Clearing Prisma > Release Documents > Document & Circulars > Documents Release 15.1
3. Details of changes
Impact on TE files:
Theoretical_Prices_and_Instrument_Configuration File and Settlement Prices File (STLPR) will have the TradingUnit field updated to decimal (10,4).
Changes in existing reports:
Reports CP005, CP007, CP010, CP044
A format change has been initiated by T7 to the field Contract Size / Trading unit to support decimal (10,4) which is currently limited to decimal (8,4).
Due to the adaption for European Commodity Clearing (ECC), there will be two new fields in Report CP005, these fields will be blank for Clearing Members.
Added fields: mktLiq – Market Liquidity
daysToDel – Days to delivery
Details of changes can be found in the Report Reference Manual in the Member Section of Deutsche Börse Group under the following path:
Resources > Eurex Clearing > Documentation & Files > Eurex Clearing Prisma > Release Documents > Document & Circulars > Documents Release 15.1
Unless the context requires otherwise, terms used and not otherwise defined in this circular shall have the meaning ascribed to them in the Clearing Conditions or FCM Clearing Conditions of Eurex Clearing AG, as applicable.
Further information
Recipients: | All Clearing Members, ISA Direct Clearing Members, Disclosed Direct Clients of Eurex Clearing AG, vendors, all FCM Clearing Members and other affected contractual parties | |
Target groups: | Middle + Backoffice, IT/System Administration | |
| Contact: | risk@eurex.com | |
| Web: | www.eurex.com/ec-en/ | |
| Authorized by: | Dmitrij Senko |