Naturally, in fact, everything is a little more complicated, and the trade of such arbitration requires taking into account transaction costs. But even more interesting is arbitration between crypto currencies and traditional currency instruments. Some brokers have crypto currencies already traded on an equal footing with traditional FX instruments. This allows you to find arbitration situations without going beyond one site.
Main advantages of an arbitazh. In order to determine the existence of arbitration, it is not necessary to study the history of quotations. The current flow of quotations is enough to see inefficiency and have time to trade it. Since arbitration theory uses market inefficiency, the nature of quotations is also not important to us.
This wording is equally relevant for grandparents in the market, as well as for the stock exchange and high-frequency trading. No matter how fast the communication channels, we are still unable to transmit information faster than the speed of light. This means that between two remote sites a non-zero delay will always exist, only the tools for trading such arbitration will change.
Forex strongly differs from other financial markets. And among all distinctions the biggest, perhaps, is a decentralization. Often people underestimate huge importance of centrality of the exchange and how it helps with regulation, successful development and trade in various systems. As a result the market Forex is decentralized, it is very poorly regulated, and each broker has the stream of quota