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.
Hopefully no one will be arrested for insider trading. Miriam Elder, CNN Money, 26 June 2026 The battle comes at a pivotal moment for prediction markets, which have raised billions in venture capital, as companies like Polymarket face scrutiny over allegations of insider trading and money laundering. Mary Cunningham, CBS News, 24 June 2026 To gain Wall Street adoption, though, Kalshi will need to quell concerns over potential insider trading on the platforms. Davis Giangiulio, CNBC, 24 June 2026 The Polymarket sponsorship comes at a time when there are already concerns about potential insider trading among White House staff and allies as betting on prediction markets have come under scrutiny. Isabella Murray, ABC News, 14 June 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

Browse Nearby Words

Cite this Entry

“Insider trading.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insider%20trading. Accessed 30 Jun. 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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