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Datasync


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Datasync enables market participants to synchronise their trading database with that of the Exchange. With advance warning of revisions to Exchange reference data, customers can improve efficiency and avoid missed.trades.

Datasync ensures customer databases are up to date in readiness for the next day’s trading, providing:

  • pre-warning to register in new securities
  • stock events affecting the securities you are registered in
  • reliable and accurate information for efficient database management.

The service aids efficient trading and minimises the risk of missing crucial trades due to inaccurate trading data.

New securities are admitted to trading on the London Stock Exchange every week. It is critical that these new securities are monitored by all market participants to create an efficient and liquid market. Similarly, existing securities on the Exchange are amended daily, typically as a result of corporate actions. If these amendments are not tracked, the most likely result is trade failures, which are expensive and time consuming to correct. Failed trades due to incorrect reference data are still common occurrences with serious repercussions. Datasync has been designed for both market participants and vendors to minimise this risk.

Datasync Email Service

Hourly from 10:00 to18:00, subscribers receive an email detailing updates to the trading system, which are effective the following trading day. Each email contains a user-friendly report in an Excel format to facilitate the transfer of data into other software applications. An example of an amendment to a particular security can be seen below.

Datasync Daily Tradable Instrument Report (DTI)

Every evening around 20:45 a snapshot of reference data taken from TradElect (the Exchange’s trading system) is made available to download. It contains all securities on the database, with reference data updated and amended, in readiness for the following day’s market open. This file also includes MiFID eligible stocks from the EQS and ITR segments. The file is available in a tab separated format and available to collect via FTP to automatically upload into your own systems. 

Datasync MiFID Tracker Service (DMT)

The DMT service has been designed to help you meet your MiFID obligations with ease. The new service allows you to identify all MiFID eligible securities irrespective of which global market they are listed on. The daily report includes dual or multi-listed MiFID eligible stocks, showing every market they are traded on by their Market Identifier Code (MIC). Individual equities can be identified by ISIN, SEDOL, MIC and even CFI codes. The report is available via FTP in flat file format and is updated on a daily basis.

Datasync 4-way key

This service automatically captures daily changes to the 4-way key (ISIN, Segment, Country of Register and Currency). All subscribers will receive a standard file containing additions and deletions of the 4-way key for all securities, including MiFID stocks. The service links previous and subsequent 4-way keys where the ISIN code has changed as a result of a corporate action.

Failed trades due to incorrect reference data are still common occurrences. Datasync has been designed to help you eradicate this risk.

For more information on how Datasync can help you keep your trading data sychronised please contact us on:

Tel: +44 (0)20 7797 1220, STX 31220

Email: datalect@londonstockexchange.com

Downloads
Datasync fact sheet (pdffile pdf - 123 KB)
Daily Tradable Instrument Report Sample (txtfile txt - 280 KB)