The main factors that affect the exchange rate are balance of payments, inflation rate, interest rate, economic growth rate, fiscal deficit, foreign exchange reserves, investors' psychological expectations and exchange rate policies of various countries.
The background of currency futures is that the Bretton Woods system disintegrated in the early 1970s, the floating exchange rate system replaced the fixed exchange rate system, and the currencies of major western countries were decoupled from the US dollar, which led to frequent exchange rate fluctuations and increased market risks. At the same time, economic globalization makes more and more enterprises face the risk of exchange rate fluctuation, and the market urgently needs tools to avoid this risk.