market maker

British

noun

a dealer in securities on the London Stock Exchange who buys and sells as a principal and since 1986 can also deal with the public as a broker

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

During the dot-com days, Sosnick was an options market maker at Timber Hill, a predecessor firm to Interactive Brokers.

From MarketWatch • May 15, 2026

“It’s not what people expected, that’s for sure,” said Ron Hammond, head of policy and advocacy at Wintermute, a crypto market maker.

From Barron's • Apr. 17, 2026

And Robinhood is pushing further into prediction markets with plans to open a futures and derivatives exchange with market maker Susquehanna International Group to offer additional contracts tied to sports, elections and other events.

From The Wall Street Journal • Dec. 17, 2025

“Susquehanna is a market maker and has zero economic interest in Trump Media,” the company said in a statement.

From Salon • Mar. 25, 2024

Along with Goldman, Deutsche Bank was the leading market maker in abstruse mortgage derivatives.

From "The Big Short" by Michael Lewis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023