As of June 2, OMX Nordic Exchange Copenhagen, Helsinki, Iceland and Stockholm will launch SAXESS Trading System release 5.0.0 (5/08)

The new release of SAXESS contains the following new functions

The main functionality enhancements in SAXESS 5.0.0 are 
- Circuit Breakers and Trading Safeguards
- Latency improvements

Summary of functional changes. 
1. SAXESS 5.0.0 Functional description 
1.1. Circuit Breakers and Trading Safeguards 
1.2. Midprice Matching  - postponed
1.3. Four decimals in Trade Reporting - postponed
1.4. Latency improvements 
2. SAXESS 5.0.0 load handling demands on applications 
(information about how members’ should be sure to handle the transaction load)
3. Other configuration changes 
3.1. Post Trade Anonymity (partly introduced for selected submarkets and orderbooks)
3.2. Round Lot One on Iceland (postponed for Copenhagen and Stockholm)
3.3. Market Model Harmonization 
a. Equilibrium Price Order to be implemented for auction phases 
b. Market Price Order with FoK and FaK limitation 
c. Maximum days of order validity to 90 days ( T+89 )

Special actions on the last trading day, prior to the launch day on Monday, June 2.
On Friday, May 30, not later than 18:00 CET, all overnight orders must be deleted and trades pending for deferred publication will be published at 18:00 CET. 

At the same time as the launch-date above (June 2), the Nordic Exchanges have decided to harmonize the routines for “Flushing of GTD orders in case of corporate actions and dividends”


Please read more detailed information in attached documents.


OMX Nordic Exchange
Gunilla Hellqvist
Marketplace Operations