美元指数的中长期走势与2026年展望

Group 1 - The core viewpoint of the article suggests that the US dollar index is likely entering a prolonged downtrend phase, with significant declines expected in the future [3][10] - Historical analysis indicates that the highest and lowest points of the dollar index have shown a gradual downward trend over three long cycles since 1971, suggesting a weakening of the US economic fundamentals relative to other developed countries [4][10] - The duration of the downtrends in the dollar index has been relatively consistent, averaging around 7-8 years, while the uptrends have been extending, indicating a "short bear, long bull" phenomenon in the dollar index cycles [4][10] Group 2 - The relationship between the dollar index and US interest rates has shown a decreasing correlation in the most recent cycle, with instances of the dollar index declining despite stable or fluctuating interest rates [5][10] - The dollar index has already decreased by 15.1% from September 2022 to June 2025, and the current downtrend may last for another 6-7 years, potentially reaching a low below 71.3 [3][10] - The outlook for the dollar index in 2026 suggests a continued downward trend, with limited declines due to the weak economic fundamentals in the Eurozone and uncertainties surrounding the Japanese yen [12][16][17] Group 3 - The Federal Reserve is expected to continue lowering interest rates in 2026, influenced by a deteriorating labor market and manageable inflation, which may further impact the dollar index [13][10] - Global investor sentiment towards US dollar assets has shifted, contributing to simultaneous declines in US stocks, bonds, and the dollar index, indicating a potential ongoing reduction in confidence in US Treasury securities [15][10] - The economic performance of the Eurozone and Japan is projected to remain weak, which may limit the extent of the dollar index's decline, as the Eurozone's GDP growth is forecasted to be significantly lower than that of the US [16][17]