You can judge the direction according to the high and low points of a trend, choose the entry point, set the stop loss and understand the holding time. Look at the picture from the big cycle first. The daily chart needs to be seen every day, once a week and once a month. Or combine 1 hour and 15 minutes and watch it in 30 minutes.

Foreign exchange is a creditor's right that can be used when the balance of payments deficit is held by the monetary management authorities in the form of bank deposits, securities of the Ministry of Finance and long-term and short-term government securities. It is a product of international trade, and it is also a means of payment for clearing letters in international trade.