The act of buying and selling goods simultaneously in different markets to gain an immediate profit. Impressive, but tricky.Arbitrage in trading is the practice of simultaneously buying and selling an asset to take advantage of a difference in price. Arbitrage is when an asset (stocks, currencies, etc.) is bought in one market and sold in another for a higher price. Arbitrage in layman's terms is the possibility to make money with no risk. More specifically, it is the simultaneous purchase and sale of something. Arbitrage is the simultaneous purchase and sale of an asset to profit from an imbalance in the price. Arbitrage is the simultaneous purchase and sale of the same asset in different markets in order to profit from a difference in its price. Energy cost arbitrage, load shifting, and energy shifting are all synonyms for activities aimed at energy-cost savings. Arbitrage is the simultaneous purchase and sale of an asset in order to take advantage of a difference in price.