financial arbitrage
noun[U]
STOCK MARKET,FINANCEukustheactionofsellingshares,currencies, etc. for ahigherpricein onemarketwhilebuyingthem for alowerpricein a differentmarket, inorderto make aprofitquickly:
Financialarbitrageis ashort-termtradingstrategythattakesadvantageofpriceinefficiencies.