Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price. Merger arbitrage is the purchase and sale of the stocks of two merging companies at the same time with the goal of creating "riskless" profits.Arbitrage trading is a type of trading method that involves buying and selling an asset in one market while immediately selling it in another. Arbitrage is the strategy of taking advantage of price differences in different markets for the same asset. Arbitrage is the act of taking advantage of a price difference in two different markets. Arbitrage refers to an investment strategy designed to produce a risk-free profit. Give a full definition of arbitrage.