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The US dollar index fell to its lowest level in four years, dropping about 3% in roughly a week against a basket of currencies and hitting multi-year lows against the euro and pound. Analysts expect the slide to slow but not reverse, citing the dollar's weaker 2025 performance after tariff announcements.
A weaker dollar makes dollar-priced commodities like grains and oilseeds cheaper for overseas buyers, which tends to support export demand and prices. It also raises US import costs, which can add to inflation pressure.
bbc.comNatalie Sherman2026年1月30日在过去 1,637 次看跌的宏观事件之后，美元(广义) 在 5 个交易日内中位数变动 -0.2%（39% 上涨；中间一半区间为 -0.6% 至 +0.3%），20 个交易日内为 -0.2%。
在过去 388 次看涨的宏观事件之后，欧元(每 EUR 的 USD) 在 5 个交易日内中位数变动 +0.3%（62% 上涨；中间一半区间为 -0.4% 至 +1.1%），20 个交易日内为 +0.1%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
