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.
In March, California Governor Gavin Newsom strengthened a ban on insider trading by state officials on prediction market platforms. Laura Paddison, CNN Money, 17 July 2026 Kalshi bans insider trading on its platforms, and has taken steps throughout 2026 to crack down on speculators using material, nonpublic information to trade on its markets. Dan Mangan,davis Giangiulio,kevin Breuninger, CNBC, 16 July 2026 The markets have exploded in growth in recent months, leading to several instances of high-profile insider trading. Bobby Allyn, NPR, 16 July 2026 Kalshi, which has started to crack down on insider trading, was alarmed by the activity. Victor Tangermann, Futurism, 16 July 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 19 Jul. 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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