SETSqx and SEAQ

What is SETSqx?

Stock Exchange Electronic Trading Service: Quotes and Crosses (SETSqx) is a trading service for securities less liquid than those traded on SETS. The auction uncrossings are scheduled to take place at 8am, 9am, 11am, 2pm and 4:35pm. There are 2 types of order book model for SETSqx depending on whether the security has registered market makers providing non-electronic quotes. An execution in the final auction will set the security’s closing price for the day and generate a closing price crossing session, which provides a further trading opportunity to execute business at the closing auction price. Electronic orders can be named or anonymous and order book executions will be centrally cleared where indicated in Millennium Exchange & TRADEcho Business Parameters document.

There are two types of model for SETSqx, depending on whether the security has registered market makers providing non-electronic quotes. The model in operation determines which time in forces are valid for the electronic orders, and how these orders are publicly displayed ahead of the scheduled uncrossing.

SETSqx with Market Makers

This model combines a periodic electronic auction book, with standalone non-electronic quote-driven market making.  Registered market makers are obliged to make firm, 2-way quotes, between 8am and the end of the closing auction (including any price monitoring or market order extensions). While market maker quotes are not obliged to participate in any of the auctions, the mid of their best bid–offer forms the closing price should there be no closing auction execution that day. Electronic orders are only visible during the 10-minute call period ahead of the next scheduled uncrossing, except for the closing auction when the call period is restricted to five minutes. If time in force GFS is used any unexecuted orders will carry forward to the remaining auctions that day (but will only be visible in the call periods).

SETSqx with NO Market Makers

In this model the order book moves into next auction call immediately following previous uncrossing. Therefore orders are visible on submission until executed, cancelled or expired.  This model supports an extensive range of Non-London, Equity and Equity Like that is not defined by ESMA as liquid.  This is to facilitate On Exchange trade reporting in these instruments (SSX4 SXEL).

See European Quoting Service (EQS) for the equivalent service for securities defined by ESMA as liquid. 

 

What is SEAQ?

SEAQ is London Stock Exchange's non-electronically executable quotation service that allows market makers to quote prices in a number of fixed interest securities.

Registered market makers by security

Find out about companies we have welcomed to our markets

76.52
London Stock Exchange welcomes Various Eateries PLC to AIM

London Stock Exchange today welcomes Various Eateries (VARE) to AIM. 
 
Various Eateries owns, develops and operates restaurant sites in the United Kingdom. The Group's stated mission is "great people delivering unique experiences through continuous innovation". It is led by a highly experienced senior team including Andy Bassadone (Executive Chairman), Hugh Osmond (Foun

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139.04
London Stock Exchange welcomes THG to the Main Market

London Stock Exchange welcomes THG Holdings plc (‘THG’), a global technology platform that specializes in taking brands direct to consumers, as it lists on the Standard segment of the Main Market.

Powered by its proprietary ecommerce technology platform ‘THG Ingenuity’, THG is a leading strategic player within the global beauty and online nutrition industry. The Company combines its p

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85.48
London Stock Exchange welcomes Kooth plc to AIM

London Stock Exchange today welcomes Kooth, the UK’s leading provider of online mental health services, following the Company’s successful IPO and fundraise on AIM.

The Company has successfully raised £26 million through a placing, giving it a market capitalisation on Admission of £66.1 million. The gross proceeds for the Company will be used to support its organic growth, both t

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70.64
London Stock Exchange welcomes AEX Gold to AIM

AEX Gold is an independent gold mining exploration and development company, with a portfolio of assets located in Southern Greenland. The company is currently listed on the TSXV and has announced today its dual listing on AIM.  
 
AEX holds an unrivalled portfolio of high-grade gold licences covering 3,356km2 in Southern Greenland, an exciting and stable jurisdiction wit

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