Some banks are specialized in creating a direct market between different currencies to the U.S. dollar, setting one lower price in the supply and demand that cross instead. However, the supply and demand of cross change discipline to the corridors of the market. If their direct quotes are not in line with the changes crossed the vultures of the triangular arbitration may precipitate for gain. They make the arbitration triangular to exchange the U.S. dollar in a second currency then traded the second currency with a third currency. And finally returning to trade in U.S.
dollars.USA! They get the gain of the arbitration by the second to the third currency trading when the rate of direct exchange between the two is out of control with cross change. Here is how Imagine a runner cross rate in the Dutch bank note that Deutsche Bank Credit Lyonnais this buying dollars Sb (EUR / USD) = 0,7627, the same price offer from Deutsche Bank. Then realizes that 1.9072 = $5.019.398, for a gain of arbitration quickly and without risk of $19.398 plenty of free money for a few seconds of work! Arbitration vultures kept markets in the row! This is an opportunity to gain that Credit Agricole lost by what immediately elevate the price of sale about 1.4490 1.00. The cross Exchange rate in the previous graph shows that supply and demand EUR / GBP is 1,4546 / 1,4554. This means that Credit Agricole could be sold for less than 1,4554, but not less than 1,4546. So, immediately increase the selling price by 1,4550 removing the gain of arbitration. At that price, the 3.813.500 resold by only 2.620.962 = 3.813.500 0,4550, that can be resold by only 2.620.962 x 1.9072 = $4.998.699 which would lead to a loss for the cathedrals of 1,301 dollars. The current high-tech Forex, FX trade worldwide halls have developed their own software to receive a digital feed in real time of the electronic brokerage system EBS Spot FX prices. The software scans as a triangular arbitration opportunities police radio! A couple of years back before electronic brokerage systems economists Nobel Laureate in places such as the University of Chicago boasted that the currency market was very efficient to generate benefits arbitration triangular that these intellectuals were wrong!