IT – As of April 14 NASDAQ OMX Nordic changes Post Trade Anonymity for the equity market trading in Stockholm and Helsinki (28/09) (correction of IT 27/09)

On June 2nd 2008, NASDAQ OMX Nordic introduced post trade anonymity on the Helsinki market and on the five most traded shares in Stockholm. That decision was based on member consultation conducted at the end of 2007 and in early 2008. 

Following further consultation in February and March 2009, NASDAQ OMX has decided to:
Remove the anonymity for the five shares  on the Stockholm market, and
Change to have post trade anonymity for only the five largest shares listed in Helsinki. 

The five shares at NASDAQ OMX Helsinki which will have anonymity are: 
Nokia Oyj (NOK1V), 
Fortum Oyj (FUM1V), 
UPM-Kymmene Oyj (UPM1V), 
Sampo Oyj (SAMAS), 
Stora Enso Oyj (STERV) (correction)

The change in the post trade anonymity functionality on the Helsinki and Stockholm markets will be implemented in SAXESS as of April 14th, 2009. 

As a result of the change in Helsinki, the member identity will be removed from the market data feed and SAXESS trade ticker on those given instruments. The publication of trades, including member identity, for the affected shares will be public at the end of each trading day. These member identities will be disseminated at CLSD-state as a specific Trade Information Multicast described in the XTP.

Time schedule and testing 
The setup described above is already available for external test and verification in the external test system, SAXTST1. 
Production launch from Monday, April 14th.