Translation guide
The practice of buying and selling the same asset in different markets to profit from price differences. In Japanese, the term is usually expressed with 裁定 (saitei) or アービトラージ (ābitorāji).
arbitrage (loanword)
The simultaneous buying and selling of securities, currencies, or commodities in different markets to profit from price discrepancies.
The standard Japanese term for arbitrage in financial contexts. Often used in compound terms like 裁定取引 (arbitrage trading).
Profit from arbitrage trading.
Loanword from English, commonly used in finance and economics. Often seen in technical or academic writing.
Look for arbitrage opportunities.
Literally 'taking the spread', a colloquial term used among traders. Less common in formal writing.
He makes money through arbitrage.
The broader idea of buying low in one place and selling high in another, not limited to financial markets.
A descriptive phrase meaning 'to exploit price differences'. Natural in everyday conversation.
Buying abroad and selling domestically is a business that exploits price differences.
Can be used in broader economic contexts, but may sound technical.
裁定 is the native Japanese term and is widely understood. アービトラージ is a direct loanword and may be preferred in international finance contexts or when emphasizing the English concept. Both are acceptable, but 裁定 is more common in news and general business.
Arbitrage (裁定) is theoretically risk-free if executed perfectly, while speculation (投機) involves taking on risk. In casual use, 鞘取り can sometimes blur this line.
この取引は一種の裁定だ。
This transaction is a kind of arbitrage.