Circulars
Apr 09, 2026

013/2026: Changes in the composition of Product Assignment Groups in Deutsche Börse Xetra due to extraordinary modification of share indices

Deutsche Börse Circular 013/26

1. Introduction 

STOXX Ltd. has announced extraordinary changes to the composition of the DAX® Blue Chip Indices. Consequently, the changes communicated in this circular will come into effect in Deutsche Börse Xetra trading (MIC: XETR) on 10 April 2026.

Production start: 10 April 2026

2. Required action 

Please note: As a result of the changes listed under no. 3., the multicast addresses and/or partitionIDs for the affected instruments might also change. In that case, please kindly take the new multicast addresses/partitionIDs into consideration.

Open orders in the instruments affected by the changes listed under no. 3. will not be deleted.

3. Details of the initiative 

For the following instruments, the Product Assignment Group in Deutsche Börse Xetra (MIC: XETR) will change with effect from 10 April 2026:
 

Instrument name

Short code

ISIN

Product Assignment Group old

Product Assignment Group new

Gerresheimer AG

GXI

 DE000A0LD6E6

SDX1
(partitionID 55)

GER
(partitionID 55)

Shelly Group PLC

SLYG

 BG1100003166

NEWX
(partitionID 56)

SDX1
(partitionID 55)


Further information

Recipients: 

All Trading Participants of Frankfurt Stock Exchange (Frankfurter Wertpapierbörse, FWB®) and Vendors

Target groups: 

Traders, Technical Contacts, Security Administration, System Administration 

Contact: 

Cash Markets Operations Helpline, tel. +49-69-211-1 14 00

Web: 

www.cashmarket.deutsche-boerse.com

Authorized by: 

On behalf of the Management Board: Christopher Turba, Bärbel Raschke



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