This IT Notice is aimed at all users of the Genium INET platform for Derivatives, Fixed Income and Commodities
As of 17 September 2012, NASDAQ OMX will make changes related to the maximum number of transactions per second (tps) per user session in Genium INET.
The changes will be available in external test systems from 3 September and will apply for Derivatives, Fixed Income and Commodities user sessions.
Changed tps rate for all current user sessions (Derivatives, Fixed Income and Commodities):
The tps rate for current OMnet user sessions will be increased to 30 transactions per second, and the order delete transactions MO4 and MO388 will be classified into group C1, the same group as order transactions, allowing the trading participant to send as many order delete transactions per second and user as order transactions.
The changes for current OMnet users (“Standard users”) are shown in the table:
| Current tps rate OMnet users | New tps rate OMnet users |
| Max 28 transactions/s of which: | Max 30 transactions/s of which: |
| Max 20 orders or replace or quotes (MO96) | Max 30 orders or order delete (MO4, MO388) or replace or quotes (MO96) |
| Max 8 order delete (MO4, MO388) or queries or quotes (MO36, MO37) | Max 8 queries or quotes (MO36/MO37) |
OMnet users will after the change have a tps rate equivalent to that of FIX ports, which will have an unchanged tps rate.
As of the above mentioned date, NASDAQ OMX will apply these changes to all current users. Members do not have to actively instruct NASDAQ OMX to make the changes.
The monthly fee for Standard Production Access (ten standard OMnet users) and Standard FIX ports for Derivatives and Fixed Income members will remain unchanged.
For full details please see the attached document.
Best regards,
NASDAQ OMX Nordic
