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

Twenty years prior to that trial, Weinberg served as co-counsel and later appellate attorney for Martha Stewart after she was charged with insider trading. — Chris Spargo, PEOPLE, 29 Oct. 2026

The platforms also continue to fight off potential insider trading activity. — Rob Wile, NBC news, 29 Oct. 2026

Prediction markets have also had their own share of insider trading scandals. — Mike Vorkunov, New York Times, 26 Oct. 2026

That last bit will probably be important, as prediction markets have already drawn insider trading activity for everything from US military activity in Venezuela to Trump’s teleprompter. — Richard Lawler, The Verge, 26 Oct. 2026

Word History

First Known Use

1966, in the meaning defined above

Rhymes for insider trading

• abrading
• blockading
• cascading
• crusading
• degrading
• dissuading
• downgrading
• evading
• invading
• parading
• persuading
• pervading

Legal Definition

insider trading

noun

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