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.
Prediction markets have been plagued by insider trading allegations, ethical questions and even national security concerns. Darian Woods, NPR, 12 May 2026 All that insider trading sure paid off. Irene Wright, USA Today, 12 May 2026 Former Barcelona and Spain defender Gerard Pique has been fined €200,000 ($236,000; £173,455) for insider trading. Nnamdi Onyeagwara, New York Times, 12 May 2026 Questions about insider trading in prediction markets have intensified recently. Krysta Escobar, CNBC, 10 May 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 18 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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