insider trading

American  

noun

1. the illegal buying and selling of securities by persons acting on privileged information.

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insider trading Cultural  

1. The unlawful practice of using information that comes from a source “inside” the business but is not available to the general public to trade on the stock market. This activity is prohibited by law and is policed by the Securities and Exchange Commission.

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In the mid-1980s, several revelations of insider trading rocked Wall Street.

Other Word Forms

• insider trader noun

Etymology

Origin of insider trading

First recorded in 1965–70

Example Sentences

A spokesperson for Kalshi said the prediction site "explicitly prohibits insider trading of any form, including government employees trading on prediction markets related to government activity".

From BBC

Polymarket has been hit with repeated controversies in recent months about potential insider trading.

From The Wall Street Journal

Such unusual betting practices have garnered a lot of attention and, unsurprisingly, accusations of insider trading or someone having advance knowledge have been leveled on social media.

From MarketWatch

Such unusual betting practices have garnered a lot of attention and, unsurprisingly, accusations of insider trading or someone having advance knowledge have been leveled on social media.

From MarketWatch

Rules that forbid insider trading place special restrictions on investors who serve on company boards, receive confidential information, or hold more than 10% of its stock.

From Barron's