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.
Kalshi is conducting ongoing investigations into other political figures who may have conducted insider trading after suspending four yesterday, a person familiar with the probes told Semafor. — Eleanor Mueller, semafor.com, 1 Sep. 2026 How do the league and markets combat potential insider trading? — Tim Britton, New York Times, 26 Aug. 2026 The groups found that many of the users dubbed orcas often showed telltale signs of insider trading and identified 152 such accounts betting on military and geopolitical events. — Claire Carter, The Washington Examiner, 21 Aug. 2026 In what prosecutors believe to be the first case involving insider trading on a prediction market, prosecutors allege that Van Dyke used inside knowledge to place 13 bets on the outcome of the Maduro operation. — Aaron Katersky, ABC News, 20 Aug. 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

Rhymes for insider trading

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Browse Nearby Words

inside right
insider trading
inside straight
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Cite this Entry

“Insider trading.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insider%20trading. Accessed 6 Sep. 2026.

Copy Citation

Legal Definition

insider trading

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

More from Merriam-Webster on insider trading

Britannica.com: Encyclopedia article about insider trading

Last Updated: - Updated example sentences
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