Definition

Noun: A person or entity that practices arbitrage. This involves simultaneously buying and selling the same asset (such as a security, currency, or commodity) in different markets to profit from a price difference between those markets. The arbitrager's activity typically requires quick execution and capitalizes on temporary market inefficiencies.

Usage

The term "arbitrager" specifically refers to the individual or firm conducting the arbitrage trades. It is a formal term commonly used in finance and economics. - The arbitrager bought euros in London and immediately sold them in New York to capture the small price gap. - Regulators monitor the activity of arbitragers to ensure market fairness.

Advanced Usage

• Role in Markets: Arbitragers are considered important for market efficiency because their actions help eliminate price discrepancies between different markets.
• Risk Arbitrage: A specialized form often associated with merger arbitrage, where an arbitrager buys the stock of a company being acquired and sells the stock of the acquirer, betting on the successful completion of the merger.

Variants and Related Words

• Arbitrage (n): The practice of buying and selling assets to profit from price differences.
  • The fund specializes in currency arbitrage.
• Arbitrage (v): To engage in arbitrage.
  • The firm will arbitrage the price difference between the two exchanges.
• Arbitrageur (n): A synonym for "arbitrager," more common in some financial contexts.
  • The seasoned arbitrageur identified a fleeting opportunity.

Synonyms

• Arbitrageur
• Market maker (in some specific contexts, though not a perfect synonym)
• Trader (a more general term)

Related Phrases/Idioms

• To engage in arbitrage: The action performed by an arbitrager.
  • The hedge fund engaged in arbitrage across Asian and European markets.
• Risk-free arbitrage: A theoretical scenario where a profit is guaranteed without any risk, though true risk-free opportunities are rare in practice.
  • The model assumed a risk-free arbitrage opportunity, which is uncommon in real markets.

Noun

1. someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential)