The six-month Iran war has exposed a structural change in the global oil market: OPEC Plus can still influence production, but its ability to control the market is increasingly constrained by events beyond its direct control. The closure of the Strait of Hormuz, damage to Middle Eastern energy infrastructure and disruption to several major exporters have reduced the amount of oil that the alliance can physically move. At the same time, China's declining crude demand has become an unexpectedly powerful force in preventing the supply shock from translating into even higher prices.
This is a significant shift in how the oil market is being balanced. OPEC Plus traditionally derives influence from its ability to adjust production when prices become too high or too low. During the current conflict, however, the problem is not primarily whether producers want to increase output. It is whether they can produce, transport and sell additional barrels. The distinction has weakened the traditional relationship between OPEC Plus decisions and market prices.
The International Energy Agency has estimated that global oil supply could fall by about 4.3 million barrels per day in 2026 because of the disruption, while oil demand is also expected to decline by about 1.6 million barrels per day. The unusually large reduction in demand is partly cushioning the supply shock. That makes China increasingly important because its consumption decisions are influencing the market at a scale once associated mainly with OPEC Plus supply management.
OPEC Plus Has Lost Some of Its Ability to Adjust Supply
The fundamental strength of OPEC Plus has always been its collective production capacity. When prices rise because of a supply shortage, producers with spare capacity can increase output. When the market becomes oversupplied, they can reduce production. That ability to adjust supply has allowed the alliance to influence expectations even when its actual production changes were relatively small.
The Iran war has disrupted that mechanism. The Strait of Hormuz is a critical export route for Gulf producers, and its effective closure has prevented some OPEC Plus members from translating production decisions into additional international supply. The alliance has announced several increases since the war began, but the physical disruption has limited their impact. OPEC Plus can raise production targets on paper without being able to move the corresponding barrels into the global market.
The contrast with earlier oil crises is important. During previous wars, individual producers were disrupted, but other members could often compensate by increasing output. The present crisis has simultaneously affected several major Middle Eastern exporters and their principal shipping route. That makes the disruption more difficult to offset and reduces the value of production quotas as an immediate market tool.
OPEC Plus has not become irrelevant. Its members still account for a large share of global production, and Saudi Arabia and other Gulf producers retain substantial influence over the physical supply of crude. But the market is increasingly responding to questions that the alliance cannot answer by itself: when will Hormuz reopen, how quickly will damaged infrastructure recover, how much oil can actually be shipped and how much demand will remain?
China Is Becoming the Market's Demand Balancer
The other side of the equation is China's oil consumption. The world's largest crude importer has sharply reduced purchases during the conflict, helping to absorb part of the supply disruption created by the loss of Middle Eastern exports. Reuters estimates that China's crude purchases have fallen by roughly 400 million barrels compared with the same period a year earlier. The decline reflects weaker refining activity, domestic fuel policy and the continued expansion of electric transport.
The scale matters because China is large enough to affect the global balance even without deliberately trying to influence prices. In June and July, Chinese crude imports averaged about 7.78 million barrels per day, substantially below the pre-war average of nearly 12 million barrels per day. That reduction helped offset part of the supply shock created by the conflict and contributed to oil prices remaining below the extreme levels reached earlier in the war.
This represents a different kind of market power from that traditionally exercised by OPEC Plus. OPEC Plus controls supply through production decisions. China increasingly affects the market through the scale of its demand. When Chinese refiners buy aggressively, global demand rises and prices receive support. When they cut purchases, surplus barrels become harder to absorb and price pressure increases.
The shift is partly structural. Electric vehicles are reducing gasoline demand in China, while changes in refining activity and fuel exports are also affecting crude consumption. The International Energy Agency estimates that electric vehicles already displaced about one million barrels per day of Chinese oil demand in 2025 compared with a market dominated entirely by conventional vehicles.
That does not mean China's oil demand will fall continuously or that electric vehicles alone explain the 2026 decline. The war itself has disrupted trade and raised prices, while refiners have adjusted operations. But the underlying change in transport technology means that some of the reduction in Chinese oil demand could persist even after Middle Eastern supply normalises.
The Oil Market Is Being Balanced by Demand Destruction
The most important consequence is that the global oil market is currently being stabilised partly through weaker consumption rather than additional production. That is unusual because a major supply disruption would normally be expected to produce stronger price increases until producers bring more barrels to market or consumers reduce usage.
The current situation contains both mechanisms. The loss of Middle Eastern supply has created severe physical constraints, but high prices, weaker industrial activity, reduced refinery runs and changing transport patterns have lowered consumption. The result is a market in which the supply shock is serious without producing the sustained price escalation that might otherwise be expected.
The International Energy Agency reported that global oil demand was forecast to decline by 1.6 million barrels per day in 2026, while global supply was projected to fall by 4.3 million barrels per day. It also warned that the continuing closure of Hormuz and elevated fuel prices were weighing on consumption.
This changes the strategic importance of China. If Chinese demand had remained at its previous level, the loss of Middle Eastern exports would have placed considerably greater pressure on the global market. Instead, China's lower purchases have effectively absorbed part of the shock. That is why analysts increasingly describe China as a major demand-side balancing force.
The development also demonstrates why oil prices cannot be understood simply through OPEC Plus production decisions. Inventory levels, refinery activity, alternative supplies, shipping constraints, electric vehicle adoption and government stock releases can all become more important than a formal production target.
China's Influence Extends Beyond Its Demand
China's growing importance is not limited to how much crude it buys. It is also becoming a critical destination for Iranian oil, particularly as Western sanctions and the Hormuz disruption restrict Tehran's access to other markets. Chinese independent refiners have historically purchased discounted Iranian crude despite American sanctions, although recent restrictions and the blockade have reduced those flows. Iranian shipments to China fell sharply in August, but China still remains Iran's most important oil customer.
This creates a second form of Chinese influence. Beijing is simultaneously one of the world's largest oil consumers and an important buyer of oil from a producer at the centre of the conflict. Its decisions therefore affect both the demand side of the global market and the ability of Iran to generate export revenue.
The relationship is not without limits. American sanctions can raise the costs and risks of buying Iranian crude, while disrupted shipping has already reduced available supplies. Chinese refiners have also sought alternative sources, including crude from Iraq and Brazil, when Iranian supplies became harder to obtain.
Nevertheless, China's ability to redirect purchases gives its refiners considerable flexibility. That flexibility is increasingly relevant when geopolitical disruptions change the availability and price of particular grades of crude.
OPEC+ Faces a More Fragmented Oil Market
The longer-term implication is not that China will replace OPEC Plus as the dominant force in oil markets. The two have fundamentally different roles. OPEC Plus is a producer alliance capable of coordinating supply, while China is a major consumer whose purchasing decisions reflect domestic economic conditions, refining economics, transport policy and strategic stockpiling.
What is changing is the balance between those forces. OPEC Plus once operated in a market where its production decisions were among the clearest signals available to traders. Today, a much wider range of variables can overwhelm those decisions. The Iran war has demonstrated that a producer alliance cannot easily manage a market when its members are physically unable to export their planned output.
At the same time, China's demand is becoming more flexible. The country's expanding electric vehicle fleet, large crude inventories and ability to source oil from multiple suppliers give it tools to adjust purchases when international conditions change. That makes Chinese consumption increasingly important to the global supply-demand balance.
The result is a more fragmented oil market in which influence is distributed between producers, consumers, shipping routes, inventories and technology. OPEC Plus still possesses enormous physical resources, but the Iran war has shown that production power is not the same as market control. If oil cannot be transported, a production increase has limited value. If the world's largest importer cuts demand, even a severe supply disruption can be partly absorbed.
The deeper shift is therefore from a market shaped primarily by who controls the barrels to one increasingly shaped by who can move them, who needs them and who can afford to stop buying them. The Iran war has exposed the limits of OPEC Plus in the first category, while China's changing demand has given it greater influence in the second. That combination could remain important even after the immediate conflict ends, particularly as electric transport, alternative supply growth and geopolitical fragmentation continue to reshape the global oil market.
(Source:www.euronext.com)
This is a significant shift in how the oil market is being balanced. OPEC Plus traditionally derives influence from its ability to adjust production when prices become too high or too low. During the current conflict, however, the problem is not primarily whether producers want to increase output. It is whether they can produce, transport and sell additional barrels. The distinction has weakened the traditional relationship between OPEC Plus decisions and market prices.
The International Energy Agency has estimated that global oil supply could fall by about 4.3 million barrels per day in 2026 because of the disruption, while oil demand is also expected to decline by about 1.6 million barrels per day. The unusually large reduction in demand is partly cushioning the supply shock. That makes China increasingly important because its consumption decisions are influencing the market at a scale once associated mainly with OPEC Plus supply management.
OPEC Plus Has Lost Some of Its Ability to Adjust Supply
The fundamental strength of OPEC Plus has always been its collective production capacity. When prices rise because of a supply shortage, producers with spare capacity can increase output. When the market becomes oversupplied, they can reduce production. That ability to adjust supply has allowed the alliance to influence expectations even when its actual production changes were relatively small.
The Iran war has disrupted that mechanism. The Strait of Hormuz is a critical export route for Gulf producers, and its effective closure has prevented some OPEC Plus members from translating production decisions into additional international supply. The alliance has announced several increases since the war began, but the physical disruption has limited their impact. OPEC Plus can raise production targets on paper without being able to move the corresponding barrels into the global market.
The contrast with earlier oil crises is important. During previous wars, individual producers were disrupted, but other members could often compensate by increasing output. The present crisis has simultaneously affected several major Middle Eastern exporters and their principal shipping route. That makes the disruption more difficult to offset and reduces the value of production quotas as an immediate market tool.
OPEC Plus has not become irrelevant. Its members still account for a large share of global production, and Saudi Arabia and other Gulf producers retain substantial influence over the physical supply of crude. But the market is increasingly responding to questions that the alliance cannot answer by itself: when will Hormuz reopen, how quickly will damaged infrastructure recover, how much oil can actually be shipped and how much demand will remain?
China Is Becoming the Market's Demand Balancer
The other side of the equation is China's oil consumption. The world's largest crude importer has sharply reduced purchases during the conflict, helping to absorb part of the supply disruption created by the loss of Middle Eastern exports. Reuters estimates that China's crude purchases have fallen by roughly 400 million barrels compared with the same period a year earlier. The decline reflects weaker refining activity, domestic fuel policy and the continued expansion of electric transport.
The scale matters because China is large enough to affect the global balance even without deliberately trying to influence prices. In June and July, Chinese crude imports averaged about 7.78 million barrels per day, substantially below the pre-war average of nearly 12 million barrels per day. That reduction helped offset part of the supply shock created by the conflict and contributed to oil prices remaining below the extreme levels reached earlier in the war.
This represents a different kind of market power from that traditionally exercised by OPEC Plus. OPEC Plus controls supply through production decisions. China increasingly affects the market through the scale of its demand. When Chinese refiners buy aggressively, global demand rises and prices receive support. When they cut purchases, surplus barrels become harder to absorb and price pressure increases.
The shift is partly structural. Electric vehicles are reducing gasoline demand in China, while changes in refining activity and fuel exports are also affecting crude consumption. The International Energy Agency estimates that electric vehicles already displaced about one million barrels per day of Chinese oil demand in 2025 compared with a market dominated entirely by conventional vehicles.
That does not mean China's oil demand will fall continuously or that electric vehicles alone explain the 2026 decline. The war itself has disrupted trade and raised prices, while refiners have adjusted operations. But the underlying change in transport technology means that some of the reduction in Chinese oil demand could persist even after Middle Eastern supply normalises.
The Oil Market Is Being Balanced by Demand Destruction
The most important consequence is that the global oil market is currently being stabilised partly through weaker consumption rather than additional production. That is unusual because a major supply disruption would normally be expected to produce stronger price increases until producers bring more barrels to market or consumers reduce usage.
The current situation contains both mechanisms. The loss of Middle Eastern supply has created severe physical constraints, but high prices, weaker industrial activity, reduced refinery runs and changing transport patterns have lowered consumption. The result is a market in which the supply shock is serious without producing the sustained price escalation that might otherwise be expected.
The International Energy Agency reported that global oil demand was forecast to decline by 1.6 million barrels per day in 2026, while global supply was projected to fall by 4.3 million barrels per day. It also warned that the continuing closure of Hormuz and elevated fuel prices were weighing on consumption.
This changes the strategic importance of China. If Chinese demand had remained at its previous level, the loss of Middle Eastern exports would have placed considerably greater pressure on the global market. Instead, China's lower purchases have effectively absorbed part of the shock. That is why analysts increasingly describe China as a major demand-side balancing force.
The development also demonstrates why oil prices cannot be understood simply through OPEC Plus production decisions. Inventory levels, refinery activity, alternative supplies, shipping constraints, electric vehicle adoption and government stock releases can all become more important than a formal production target.
China's Influence Extends Beyond Its Demand
China's growing importance is not limited to how much crude it buys. It is also becoming a critical destination for Iranian oil, particularly as Western sanctions and the Hormuz disruption restrict Tehran's access to other markets. Chinese independent refiners have historically purchased discounted Iranian crude despite American sanctions, although recent restrictions and the blockade have reduced those flows. Iranian shipments to China fell sharply in August, but China still remains Iran's most important oil customer.
This creates a second form of Chinese influence. Beijing is simultaneously one of the world's largest oil consumers and an important buyer of oil from a producer at the centre of the conflict. Its decisions therefore affect both the demand side of the global market and the ability of Iran to generate export revenue.
The relationship is not without limits. American sanctions can raise the costs and risks of buying Iranian crude, while disrupted shipping has already reduced available supplies. Chinese refiners have also sought alternative sources, including crude from Iraq and Brazil, when Iranian supplies became harder to obtain.
Nevertheless, China's ability to redirect purchases gives its refiners considerable flexibility. That flexibility is increasingly relevant when geopolitical disruptions change the availability and price of particular grades of crude.
OPEC+ Faces a More Fragmented Oil Market
The longer-term implication is not that China will replace OPEC Plus as the dominant force in oil markets. The two have fundamentally different roles. OPEC Plus is a producer alliance capable of coordinating supply, while China is a major consumer whose purchasing decisions reflect domestic economic conditions, refining economics, transport policy and strategic stockpiling.
What is changing is the balance between those forces. OPEC Plus once operated in a market where its production decisions were among the clearest signals available to traders. Today, a much wider range of variables can overwhelm those decisions. The Iran war has demonstrated that a producer alliance cannot easily manage a market when its members are physically unable to export their planned output.
At the same time, China's demand is becoming more flexible. The country's expanding electric vehicle fleet, large crude inventories and ability to source oil from multiple suppliers give it tools to adjust purchases when international conditions change. That makes Chinese consumption increasingly important to the global supply-demand balance.
The result is a more fragmented oil market in which influence is distributed between producers, consumers, shipping routes, inventories and technology. OPEC Plus still possesses enormous physical resources, but the Iran war has shown that production power is not the same as market control. If oil cannot be transported, a production increase has limited value. If the world's largest importer cuts demand, even a severe supply disruption can be partly absorbed.
The deeper shift is therefore from a market shaped primarily by who controls the barrels to one increasingly shaped by who can move them, who needs them and who can afford to stop buying them. The Iran war has exposed the limits of OPEC Plus in the first category, while China's changing demand has given it greater influence in the second. That combination could remain important even after the immediate conflict ends, particularly as electric transport, alternative supply growth and geopolitical fragmentation continue to reshape the global oil market.
(Source:www.euronext.com)
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