Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price. Index arbitrage is a trading strategy attempts to profit from differences between one or more versions of an index, or between an index and its components.Rental Arbitrage is a smart technique to earn money in any type of property including a multifamily house, duplexes, or triplexes. Rental arbitrage is a business model where an individual or entity rents a property longterm and then rerents or sublets that property on a shortterm basis. Arbitrage is the process of simultaneously buying and selling the same asset or security in different markets to take advantage of price discrepancies. Arbitrage is the simultaneous purchase and sale of the same or related instruments, locking in a profit from a brief price disparity. In the stock market, cashandcarry arbitrage involves buying shares of a company and simultaneously selling a futures contract on those shares. Airbnb rental arbitrage is the act of renting a property longterm and then rerenting it shortterm on vacation rental sites like Airbnb or Vrbo.