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Escalating attacks on Black Sea ports, grain terminals and vessels since July have disrupted Russian and Ukrainian grain exports during the post-harvest shipping period. S&P Global Energy CERA says Odesa-region strikes removed about one-third of Ukraine's grain export capacity, and Kerch Strait and Azov-Don restrictions hit a route handling about 28% of Russia's wheat exports.
Ukrainian wheat exports fell to 935,332 mt in July from 1.6 million mt in June.
Lost Black Sea export capacity tightens global wheat and corn supply just as buyers look for replacement origins, which supports prices for wheat and corn and raises feed costs.
spglobal.com2026年8月25日在过去 361 次看涨的地缘政治事件之后，小麦(SRW) 在 5 个交易日内中位数变动 +0.7%（58% 上涨；中间一半区间为 -1.4% 至 +3.7%），20 个交易日内为 +1.3%。
在过去 323 次看涨的地缘政治事件之后，玉米 在 5 个交易日内中位数变动 +0.5%（57% 上涨；中间一半区间为 -1.5% 至 +2.9%），20 个交易日内为 +0.9%。
在过去 94 次看涨的地缘政治事件之后，小麦(HRW) 在 5 个交易日内中位数变动 +0.1%（50% 上涨；中间一半区间为 -2.7% 至 +5.8%），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。
Strikes removed about a third of Ukraine's export capacity and hit a key Russian route, tightening global wheat supply and underpinning the rally.
Black Sea port disruption tightened global grain supply and lifted the grains complex, with spillover to corn.
