Prisma Release 15.1 prepares for the upcoming format change of T7 to the field Contract Size / Trading unit in order to support decimal (10,4) which is currently limited to decimal (8,4).
Simulation start: 24 March 2026
Production start: 18 May 2026
The Prisma system documentation will be available in the Member Section under the following path: Resources > Eurex Clearing > Documentation & Files > Eurex Clearing Prisma > Release Documents > Document & Circular > Documents Release 15.1.
Release Items/Participants Requirements
Changes | Details | Action Item |
Impact on TE files | Theoretical_Prices_and_Instrument_Configuration File, Settlement Prices File (STLPR) and Settlement Prices for Cash Flow (STLCF) will have the TradingUnit field updated to decimal (10,4). | We kindly ask all Clearing Members to adjust their systems and internal processes to support the changes in the TE File. |
Changes to existing Reports | Report 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).
More information is available in the Report reference manual. | We kindly ask all Clearing Members to adjust their systems and internal processes to support the changes in member reports. |
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