arbitrage

noun

1. a simultaneous purchase and sale in two separate financial markets in order to profit from a price difference existing between them
2. a buying of a large number of shares in a corporation in anticipation of, and with the expectation of making a profit from, a merger or takeover
   in full risk arbitrage

Origin: LME < Fr < arbitrer, to judge < L arbitrari: see arbitrate; for 2, < Fr arbitrage

intransitive verb arbitraged, arbitraging