USDX is the most direct reference index to measure the global trend of the US dollar. It is calculated with reference to the geometric average weighted value 1973 of the exchange rate changes of six currencies against the US dollar in March, and its value is calculated based on 100.00. USDX is an indicator that comprehensively reflects the exchange rate of the US dollar in the international foreign exchange market, and is used to measure the degree of exchange rate change of the US dollar against a basket of currencies. It measures the strength of the US dollar by calculating the comprehensive rate of change between the US dollar and a selected basket of currencies, thus indirectly reflecting the changes in US export competitiveness and import costs. 1 99965438+1October1After the introduction of the euro, the subject matter of the futures contract was adjusted from 10 to 6 countries, and the euro became the most important and weighted currency, accounting for 57.6%. Therefore, the fluctuation of the euro has the greatest impact on the strength of USDX.

I think the appreciation of the RMB is good for the US dollar, because the US dollar debt held by China will depreciate, which will positively affect the short-term and long-term US national debt. In addition, the relative depreciation of the US dollar will promote US exports, boost GDP and benefit the US dollar for a long time.