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English definition of “trader”

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trader

noun [C]
 
 
/ˈtreɪdər/
US ( UK dealer) FINANCE, STOCK MARKET a person or company that buys and sells shares, currencies, etc.: It resulted from trading losses in derivatives by a single trader at the firm's Singapore office. a bond/currency/stock trader
COMMERCE a person or business that buys and sells goods: Supermarkets have driven many small traders out of business.
→  See also day trader , floor trader , foreign exchange trader , free trader , rogue trader , sole trader
(Definition of trader from the Cambridge Business English Dictionary © Cambridge University Press)
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