1, RMB exchange rate The US dollar exchange rate refers to the exchange ratio between RMB and US dollar. For example, 1 RMB can be converted into US dollars, and 1 US dollars can be converted into RMB.

2. Exchange according to the offshore RMB exchange rate and the US dollar exchange rate, and calculate the RMB exchange rate against the US dollar on that day according to the calculation formula. The calculation formula is: RMB x RMB-USD exchange rate = USD. For example, at 202 1, 10, 16, 1, the current exchange rate is 6.444 1, and the exchange rate between RMB and USD is: 100 RMB =100. 100 USD =100x6.4441= 644.45438+0 RMB. The exchange rate is a floating value, which is divided into two charts: the RMB exchange rate chart against the US dollar and the US dollar exchange rate chart against the RMB. In terms of time, there are monthly charts, weekly charts, daily charts and 30-minute, real-time charts. Because of the huge data, if you want to collect detailed exchange rate data, you need to query and collect it daily according to the exchange rate trend chart.

3. According to the trend chart of RMB-USD exchange rate, taking 20 15 to 20 17 as an example, the highest exchange rate of RMB-USD is about 0. 1635, and the lowest is about 0. 1442, and it closed at 202 1,/kloc.

4. According to the chart of the exchange rate of US dollar against RMB, it can be seen that the exchange rate began to appreciate from 20 15, and the exchange rate generated value, which indicated the depreciation of RMB. From 20 15 to the beginning of 20 17, the exchange rate of the US dollar against RMB rose from about 6. 182 to 6.97 1, and from 20 17 to 20 18, the exchange rate of the US dollar against RMB began to fall, with a minimum of about 6. Since then, it has fallen to the current 6.48+0.

5. Exchange rate is a financial means adopted by a country to achieve its political and economic goals. Looking at China's economy from the trend of the exchange rate of US dollar against RMB, the higher its value, the more RMB depreciates, which is beneficial to exports and the appreciation of RMB is beneficial to imports.

6. The exchange rate will rise and fall due to interest rates, inflation, national politics, economy and other factors, and the foreign exchange market determines the exchange rate. The foreign exchange market is open to different types of buyers and sellers for extensive and continuous currency transactions. Foreign exchange transactions are conducted 24 hours a day except weekends.

7. China's floating exchange rate system is set at 20 15. Since July 2, 2005, China has implemented a managed floating exchange rate system based on market supply and demand, with reference to a basket of currencies, so as to keep the RMB exchange rate basically stable at a reasonable and balanced level.