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 league urged the Supreme Court to resolve the split, arguing that conflicting rulings leave oversight unclear and raise concerns about cheating, insider trading, and consumer protection. — Camila Grigera Naón, Fortune, 8 Oct. 2026

Prediction market platforms have already tried to stop candidates from betting on their own races due to insider trading concerns. — Alex Harring, CNBC, 6 Oct. 2026

Kalshi and Polymarket have both established policies prohibiting insider trading. — Ct Jones, Rolling Stone, 11 Sep. 2026

Kalshi is conducting ongoing investigations into other political figures who may have conducted insider trading after suspending four yesterday, a person familiar with the probes told Semafor. — Eleanor Mueller, semafor.com, 1 Sep. 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