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arbitrageur

/ˌɑːbɪtrɑːˈʒɜː/

C1CEFR level
85/100Rarity: very rare
TechnicalRegister

Law noun

An investor who trades on the price gap that opens once a takeover is announced.

Arbitrageurs piled into the stock, betting the sweetened offer would ultimately clear.

Topic: Corporate law in Legal English

Business noun

A trader who seeks to profit from momentary price differences of the same asset across markets.

Nimble arbitrageurs pounced the instant the merger spread widened beyond fair value.

Similar: trader, speculator

Topic: Advanced English in Business English

Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.

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More law words: Corporate law