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INET Nordic final versions of market model

Exchange Notice
Exchange Members 32/08

As previously announced NASDAQ OMX will migrate its Nordic and Baltic equity trading and related markets to the INET platform. On October 6 information about the migration project was posted on the NASDAQ OMX Member Extranet. Since then INET Nordic road shows have been ongoing with information forums and member meetings in Copenhagen, Helsinki, Stockholm, Reykjavik, the Baltics, Oslo, London, Amsterdam and Paris.

Based on the member feedback NASDAQ OMX Nordic has decided to modify the proposed auction process. In the revised market model we have returned to a more traditional design of the closing auction. After the change the closing auction will consist of the following distinct sequential steps 1. Continuous trading; 2. Pre-close (with no auto-matching) and 3; An atomic uncross. For details please see the updated market model document.

Due to these recent changes additional time is needed to finalize the details in the protocol specifications. These changes will mainly affect limited parts of the ITCH and TIP specification and only in areas related to the auctions and information dissemination.

The updated market model document and a number of additional supporting documents have been published today. See list of changes at the end of this document. The information is found on

The final versions of the specifications based on the changes in the market model, will be published on December 1.

For further information concerning this exchange notice please contact Sven Tapper or Kirsten Thaarup, telephone +46 8 405 6000 or +45 33 770 380



  • Ekonomi, finans