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US grain, feed and oilseed groups, including the NGFA, oppose proposed Section 301 fees on Chinese-built and Chinese-operated vessels. They warn the rules could remove about half the global bulk fleet available for US exports, which move nearly one-third of US grains and oilseeds.
If enacted, the fees and fleet restrictions would raise ocean freight costs and reduce shipping capacity for US grain exports, widening basis and cutting competitiveness against Brazil. The proposal is still under consideration, so its effect on prices is a risk rather than a confirmed change.
feedandgrain.comFeed, Grain Staff2025年3月25日历史可比事件尚不足，暂无法给出历史解读。
在过去 310 次看跌的政策事件之后，玉米 在 5 个交易日内中位数变动 +0.3%（54% 上涨；中间一半区间为 -1.4% 至 +1.9%），20 个交易日内为 +0.6%。
在过去 369 次看跌的政策事件之后，大豆 在 5 个交易日内中位数变动 -0.2%（46% 上涨；中间一半区间为 -1.7% 至 +1.8%），20 个交易日内为 +0.8%。
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。
