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Incidents Archive : London Stock Exchange : February 2011 : Friday, 25/02/2011 07:54:43
Friday, 25/02/2011 07:54:43
[en] London Stock Exchange is investigating potential system issues during the opening auction call period - further information will be provided shortly
Friday, 25/02/2011 08:03:37
[en] London Stock Exchange has put the SETS and SETSqx Trading Serivces into PAUSE - no continuous trading is currently taking place in order driven securities. Further update will follow shortly
Friday, 25/02/2011 08:24:36
[en] The uncrossing trades that took place in the opening auction today are under investigation for potential cancellation. Further updates will be provided very shortly.
Friday, 25/02/2011 08:33:22
[en] London Stock Exchange continues to investigate this morning's market data issue. Order entry has been disabled and SETS and SETSqx is being put into a HALT phase in accordance with our protocol. Participants can continue to delete orders. Further updates will be provided shortly.
Friday, 25/02/2011 08:59:32
[en] The uncrossing trades and the automatic trades (UTs and ATs) that took place in SETS and SETSqx securities this morning will stand. London Stock Exchange continues to investigate the market data issue. Participants can continue to delete but not enter orders at this time and no automatic execution is taking place. All market maker quotes are indicative only.
Friday, 25/02/2011 10:19:40
[en] London Stock Exchange continues to investigate the market data issue.

All order books have now been cleared of orders and no automatic execution is taking place in all trading services; market maker quotes have also been closed on SEAQ and SETSqx trading services.

This incident website is updating slowly under high demand and market participants should ensure they monitor the Exchange's Service announcements:

http://www.londonstockexchange.com/products-and-services/technical-library/service-announcements/2011/home-2011.htm

No time has yet been set for the reopening uncrossing auction call period to start. Advanced notice will be given of the subsequent uncrossing time.

Further information will be provided shortly.
Friday, 25/02/2011 10:47:56
[en] The Exchange continues to investigate today's ongoing market data incident

Order driven markets remain in a HALT state and no automatic execution is possible at this time.
 
No time has yet been set for the reopening uncrossing auction call period to start. Advanced notice will be given of the proposed uncrossing time.
 
Further information will be provided shortly.
Friday, 25/02/2011 11:27:13
[en] The London Stock Exchange has resolved the market data issue.

The order-driven markets will be placed into a PAUSE phase with immediate effect. This will enable clients to enter, delete and amend their orders. The Exchange will then move into an auction call phase and will give notice of at least 20 minutes of the auction uncrossing time.

All legacy orders have been deleted from the order book.

A further update will be provided shortly.
Friday, 25/02/2011 11:44:15
[en] The order driven markets are currently in a PAUSE phase and firms are successfully entering, deleting and modifying orders.

The Exchange will now place the order driven markets into a RESUMPTION AUCTION CALL period with an uncrossing scheduled to take place at 12:15hrs, continuous trading will start immediately thereafter.

For clarity, the Exchange does not intend to extend scheduled trading hours today.

Further updates will be provided shortly.



   
Friday, 25/02/2011 12:16:01
[en] RESUMPTION OF CONTINUOUS TRADING

Continuous trading has now resumed in all order driven trading services. The next SETSqx uncrossing will take place as scehduled at 15:00hrs.

Quote driven services have also resumed and normal market making obligations now apply.

To reiterate, the Exchange does not intend to extend its scheduled trading hours today.

The Exchange regrets the inconvenience that has been caused to market participants by this morning's incident.

No further update regarding this incident is expected to be provided on this site.