As the currency of the United States, the world's largest economic and military power, the US Dollar enjoys high credibility in the market. The dollar is used in world trade and financial transactions as a global currency. In addition, the US Dollar is also the main reserve currency of central banks and circulates globally. According to data released by the BIS, the USD was involved in nearly 90% of global FX transactions, making it the single most traded currency in the FX market in 2022. In addition, the US Dollar is the currency of the United States, so the policy of the Federal Reserve, the central bank of the United States, and the country's economic indicators significantly impact the US Dollar.