arbitrage

AHR-bi-trahzh /ˈɑːrbɪtrɑːʒ/
nounverbC1GREGMATCAT
formalfinancialtechnical

The simultaneous purchase and sale of an asset in different markets to profit from a price difference.

Theoretically risk-free profit derived from temporary market inefficiencies across separate trading venues.

The story behind the word. Borrowed from French 'arbitrage' (judgment by an arbiter). In 18th-century French commerce, an 'arbitrage' was the calculation made by an arbiter to determine the most favorable exchange rates between international monetary hubs.

Word relationships

  • spread trading: Spread trading involves speculating on price movements, whereas arbitrage seeks to lock in immediate riskless price differentials.
  • directional trading: Directional trading relies on predicting overall market movement rather than exploiting structural price discrepancies.

Commonly confused with

  • arbitration: Arbitration is a legal process for settling disputes out of court; arbitrage is a financial strategy exploiting price differences.

Word family

  • arbitrageur (noun): A trader who engages in arbitrage.
  • arbitrage (verb): To engage in simultaneous buying and selling to profit from price differences.

Collocations

  • arbitrage opportunity
  • triangular arbitrage
  • spatial arbitrage
  • arbitrage trader

Idioms & expressions

  • free lunch
  • picking up pennies in front of a steamroller

Example sentences

  • "Arbitrage opportunities rapidly disappear as automated algorithms buy in lower-priced exchanges and sell in higher-priced ones." Financial Economics
  • "Traders exploited spatial arbitrage by purchasing gold in London and immediately selling it at a premium in New York." Cross-Market Trading
  • "Fragmented global cryptocurrency liquidity creates frequent arbitrage opportunities between decentralized and centralized exchanges." Cryptocurrency Markets

Memory hook

ARBITRAGE = AN ARBITER comparing two prices to pick the profit. Profiting from price gaps between markets.

When not to use

Do not confuse with standard long-term investing; arbitrage requires exploiting price discrepancies across different venues simultaneously.

Fun facts

  • The 'Kimchi Premium' was a famous crypto arbitrage gap where Bitcoin traded up to 30% higher on South Korean exchanges due to capital controls.
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