Simply put, an arbitrageur buys from one inexpensive market and sells it to another market, which would be willing to purchase on just a little added cost. This is possible with almost all types of valuable goods, services, and currencies and the
arbitrage trading could happen in seconds. Stock market arbitrageurs possess extremely powerful computer and software to calculate how much profit there will be in one stock exchange market if they buy the stocks and sell them to clients. Individuals won't see the small difference in value without these computers.
