noun
- a person who engages in arbitrage, buying and selling securities or commodities to profit from price differences
- short for arbitrator; a person chosen to settle a dispute
Usage: informal; finance
Usage: informal
Examples
- The arb spotted a price discrepancy between the two exchanges and made a quick trade.
- She works as an arb in the commodities market.
- The labor dispute was settled by an arb appointed by both parties.
- Arbs often use computer algorithms to identify profitable opportunities.
- He decided to become an arb after studying financial markets in college.