Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price. Arbitrage is the simultaneous purchase and sale of an asset to profit from an imbalance in the price.The simultaneous buying and selling of a security at two different prices in two different markets, resulting in profits without risk. Arbitrage involves buying an asset in one market at a lower price and simultaneously selling it in another market at a higher price. Changes in interest rates can give rise to arbitrage opportunities that, while short-lived, can be very lucrative for traders who capitalize on them. Airbnb rental arbitrage is the act of renting a property longterm and then rerenting it shortterm on vacation rental sites like Airbnb or Vrbo. Arbitrage is the process of simultaneously buying and selling the same asset or security in different markets to take advantage of price discrepancies. Rental Arbitrage is a method similar to house hacking. But unlike house hacking in Rental Arbitrage, you don't own the house. Arbitrage is the strategy of taking advantage of price differences in different markets for the same asset.