insider trading

noun

: the illegal use of information available only to insiders in order to make a profit in financial trading

Examples of insider trading in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Federal prosecutors often find that crypto wallet-holders engaging in insider trading do so through other people or shell companies, said Mitts. Bobby Allyn, NPR, 16 Apr. 2026 And to be sure, insider trading may have been part of some of the big swings. Eva Roytburg, Fortune, 16 Apr. 2026 Theo Marie-Courtois | AFP | Getty Images One user on Polymarket raked in $400,000 in January by correctly predicting the ouster of Venezuelan President Nicolás Maduro, raising insider trading concerns. Justin Papp,garrett Downs, CNBC, 15 Apr. 2026 Such prescient wagers have raised eyebrows — and accusations that prediction markets are ripe for insider trading. Ken Sweet, Los Angeles Times, 11 Apr. 2026 See All Example Sentences for insider trading

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of insider trading was in 1966

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Cite this Entry

“Insider trading.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insider%20trading. Accessed 23 Apr. 2026.

Legal Definition

insider trading

noun
: the illegal use of especially material inside information for profit in financial trading see also tippee

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