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SETS
SETS is the London Stock Exchange’s flagship electronic trading service that combines electronic order-driven trading with integrated market maker liquidity provision, delivering guaranteed 2-way prices.
The London Stock Exchange also operates a version of SETS on a modified trading cycle that supports securitised derivatives.
Find more information on SETS.
SETSqx
SETSqx (Stock Exchange Electronic Trading Service: Quotes and Crosses) is a trading service supporting 5 electronic auctions and 2 orderbook models, depending on whether the security has registered market makers providing non-electronic quotes.
Find more information on SETSqx.
SEAQ
SEAQ (Stock Exchange Automation Quotation) is London Stock Exchange’s non-electronically executable quotation service that allows market makers to quote prices in a number of fixed interest securities.
Find more information on SEAQ.
EQS
EQS (European Quoting Service) is a quote-driven market-making and trade reporting service that supports equity and equity-like securities that ESMA define as liquid.
Find more information on EQS.
International Order Book
IOB (International Order Book) is a trading service allowing access to securities from across the globe and shares a common underlying technology with SETS, the London Stock Exchange’s flagship electronic trading service.
Find more information on IOB.
Global Equity Segment
The Global Equity Segment (GES) was live from October 2019 until Friday 30 May 2025. It provided a standalone order book trading segment (GES1) for international securities.
