Russia-Ukraine Black Sea Conflict Drives Global Wheat Prices Up 43%
Since the beginning of this year, global wheat prices have risen by about 43%, with Chicago wheat futures (the global pricing benchmark) reaching $7.79 per bushel at the end of August, a new high in over three years. The mutual attacks on Black Sea port facilities by Russia and Ukraine, along with extreme weather in multiple regions, have jointly driven this price surge.
In recent months, both Russia and Ukraine have continued to strike each other's Black Sea grain export facilities. The Ukrainian Ministry of Infrastructure disclosed that in July alone, Ukrainian ports suffered 35 attacks by Russian vessels, 22 maritime attacks, and 67 attacks on port facilities, far exceeding the 14 vessel attacks recorded for the entire year of 2025. The Ukrainian Minister of Agriculture stated that recent Russian airstrikes have destroyed about 90% of Ukraine's retail food logistics capacity.
Ukraine has launched counter-strikes against Russian Black Sea coastal ports. All three grain terminals at Novorossiysk port have been shut down since mid-August, and navigation in the Sea of Azov has been interrupted since July, crippling over 90% of Russia's grain export capacity in the Azov-Black Sea region. This area exported 46.3 million tons of grain last year, accounting for 88% of Russia's maritime grain exports, generating about $15 billion in revenue. Currently, only the smallest deep-water port, Taman Port, remains operational.
Climate factors are also pressuring production. The yield of U.S. winter wheat is expected to drop to 46.7 bushels per acre, the lowest level since 2015. Canada's production for the 2026-2027 season is expected to decline by 13%. Europe is projected to reduce grain production by about 9 million tons due to extreme heat, and drought in South Africa threatens about 20% of its national wheat production.
The most affected are importing countries that heavily rely on supplies from Russia and Ukraine. Egypt, the world's largest wheat importer, sources about 82% of its stocks from Russia and Ukraine, while Indonesia typically imports 15% to 20% of its wheat from these two countries. Analysts point out that the current issue is not an absolute shortage of global wheat but rather a "affordability" crisis caused by supply chain disruptions, where price, rather than production, becomes the constraint.
In market dynamics, Russia is in the peak harvest season (August to December) and is experiencing a bumper crop year with nearly 140 million tons. However, blocked export channels have led to increased domestic storage pressure. Agricultural officials warn that without state financing support, winter sowing plans may fail due to credit exhaustion. This means that even if Russian grain stores are full, paralyzed export logistics could simultaneously crush domestic farmers' cash flow and the affordability of food for importing countries, creating a dual squeeze of "having grain but unable to transport it, and importing countries unable to afford it."
Source: Public Information
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The struggle between Russia and Ukraine over Black Sea grain export channels can be traced back to the signing of the Black Sea Grain Agreement in 2022 and subsequent repeated withdrawals by Russia from the agreement. This time, the conflict has escalated from a simple "blockade of export channels" to direct mutual attacks on each other's port logistics infrastructure, continuing the war's logic of "extending battlefield confrontation to global commodity supply chain confrontation."
Russia's grain exports generate about $15 billion annually, serving as one of its important channels to cope with Western sanctions and maintain foreign exchange income. The paralysis of export channels directly impacts its foreign exchange inflow and agricultural credit system. Meanwhile, capital is shifting from traditional import channels reliant on Russian and Ukrainian supplies to alternative grain-producing countries like Brazil and Australia, as well as their futures contracts, forcing a reallocation of global food trade capital.
This scenario is highly similar to the price shock path at the beginning of the 2022 Black Sea grain crisis, but this time it is compounded by climate factors causing simultaneous production declines in the U.S., Canada, Europe, and South Africa, representing a dual supply shock of "geopolitical conflict combined with extreme weather" that is more persistent than a purely war-related shock. The global food supply chain is currently in a structurally vulnerable period characterized by the normalization of the Russia-Ukraine conflict and frequent extreme weather events, and similar price shocks are expected to recur.
Essentially, this is a restructuring of the supply chain. The continued paralysis of the Black Sea, a core hub for global wheat trade, is forcing importing countries like Egypt and Indonesia, which heavily rely on Russian and Ukrainian supplies, to accelerate the diversification of their procurement channels, turning to alternative exporting countries such as Australia, Argentina, and India. This will reshape the long-term pattern of global wheat trade flows. For Russia, limited export capacity may also compel it to accelerate the development of alternative logistics channels (such as overland exports to China) to reduce dependence on the single Black Sea route.
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