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

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

The analysis by the nonprofit research group Anti-Corruption Data Collective, first reported by Reuters, sheds new light on likely military insider trading on the prediction market and the broader risks such activity may pose. — Douglas Gillison, USA Today, 20 Aug. 2026

Other gamblers just don’t want to get swindled, so anything that smacks too clearly of insider trading can get you in trouble. — Jack Dolan, Los Angeles Times, 19 Aug. 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