London Stock Exchange
10 Paternoster Square
London, EC4M 7LS
Telephone 020 7797 1000
10 September 2010
Service Announcement 001/100910
September 2010 Quarterly Review
Every three months, the London Stock Exchange (“the Exchange”) reviews the
securities on its markets.
The purpose of this announcement is to provide details and timings of the September Quarterly Review changes. The main changes are:
Implementation of the FTSE Group Indices review;
International Order Book:
o revision of the dynamic price format code (“tick size”) schedule;
o removal of the current minimum order size of 50 units; and
Amendment of Exchange Market Size (market maker obligation) and CESR Average Daily Turnover (“ADT”) of individual securities.
|STAGE |EFFECTIVE DATE |AMENDMENT |APPENDIX WORKBOOK |
|1 |Start of Trading | | |
| |Tuesday | | |
| |14 September 2010 |4 securities move to SETS to facilitate trading |A |
| | |ahead of the changes to the FTSE indices. 1 SEAQ| |
| | |security moves to SETSqx. | |
| | | | |
| | |ADT of 6 securities amended. | |
| | | |B |
|STAGE |EFFECTIVE DATE |AMENDMENT |APPENDIX WORKBOOK |
|2 |Start of Trading | | |
| |Monday |Thirty-seven securities move Segment / Sector as | |
| |20 September 2010 |a result of FTSE Group index revisions taking |A |
| | |place. A further 16 securities see an | |
| | |introduction of a minimum order size of 50% EMS. | |
| | | | |
| | | | |
| | |Introduction of revised dynamic price format code| |
| | |schedule based on FESE Table 2 for all | |
| | |International Order Book securities. |C |
| | | | |
| | |Replacement of minimum order size of 50 units | |
| | |with 1 unit for all International Order Book | |
| | |securities. | |
| | | |N/A |
| | |Revision of Market Maker obligations (EMS) of 164| |
| | |Securities. | |
| | | | |
| | | |D |
The amendments summarized above and detailed in the relevant workbook of the attached appendix shall be conducted after 5:30pm on the business day prior to the effective date (details will be disseminated via Infolect simultaneously). The TradElect Parameters Document will be updated immediately ahead of the International Order Book price format code revision and can be found at:
tradingservices
The CDS test service will be updated for the revised International Order Book price format codes from start of trading 13 September 2010.
If required, a final Service Announcement will be issued on 17 September 2010 providing any amendments or additions to details provided here.
Administration
Customers are advised to take either:
• Reference Data Changes on the evening prior to the effective date (the evening the changes are made); or
• Full Reference Data Download on the morning of the effective date
.
-----------------------
Exchange:
▪ London Stock Exchange
Environment:
▪ Live
Type:
▪ Product Adjustment
Products:
▪ TradElect
▪ Infolect
Additional Information:
If you have any queries about this announcement please contact clients@
For technical queries please contact your Technical Account Manager or the Technical Information Desk on 020 7797 3939 (STX 33939).
An archive of previously issued service announcements is available in the technical library section of the Exchange's Internet site
TradElect Parameters Document can be found at:
tradingservices
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