Arbitrage is when an asset (stocks, currencies, etc.) is bought in one market and sold in another for a higher price. They take you through the first steps of filling out a tax return.Rob is a one-of-a-kind leader, and anyone who has worked with him would say the same. His motivational energy is so electric and infectious. An arbitrage is a transaction that involves no negative cash flow at any probabilistic or temporal state and a positive cash flow in at least one state.