The reason for the spread. The reason why the foreign exchange stop loss line can't hold up the spread. When shorting, you need to buy the price and stop the profit at the arrival price, while the selling price is displayed on the interface, and the difference between them is the price difference. Foreign exchange transaction refers to the exchange of one country's currency with another country's currency. There is no specific place or central exchange in the foreign exchange market, and transactions between enterprises and individuals are conducted through banks or electronic networks.