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 a trading strategy that exploits an assets' price or information discrepancies for profit.These differences arise due to market inefficiencies. Arbitrage is a mathematical, data-driven strategy for making risk-free profits off the sportsbooks. 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. This article will discuss forming an LLC for Airbnb arbitrage. Airbnb arbitrage usually means renting a home and then re-renting it on Airbnb. How to Invest in ETFs for Beginners. Exchange-traded funds let an investor buy lots of stocks and bonds at once.