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Water levels on the Mississippi near St. Louis and Memphis are lower in 2026 than in several previous low-water years as harvest approaches. Shippers fear a fifth consecutive low-water year, which could narrow the navigation channel during the October to December export peak.
Nearly 60% of U.S. soybean exports reach final destinations via the Mississippi and Gulf ports.
A shallow channel during peak export season would raise barge freight and widen soybean basis, supporting Gulf export premiums.
iasoybeans.comIowa Soybean Association2026年9月3日历史可比事件尚不足，暂无法给出历史解读。
在过去 297 次看跌的物流事件之后，大豆 在 5 个交易日内中位数变动 +0.3%（54% 上涨；中间一半区间为 -1.5% 至 +1.8%），20 个交易日内为 +0.7%。
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。
