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.
The vote followed mounting insider trading concerns on platforms such as Kalshi and Polymarket. Alex Harring, CNBC, 1 May 2026 Hegseth fires back at Warren’s insider trading comments tied to Iran war. FOXNews.com, 1 May 2026 Senators voted on April 30 to restrict themselves from prediction markets as there is an increasing concern of insider trading by government officials, CNBC reports. William Earl, Variety, 30 Apr. 2026 In what is believed to be the first case of insider trading on a prediction market, prosecutors alleged that Van Dyke used classified information from his work in the planning and execution of the Maduro capture to place 13 bets on the outcome of the operation. Aaron Katersky, ABC News, 28 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 3 May. 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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