Oil at its highest level since 2023, stock markets under pressure: why the Strait of Hormuz is once again at the center of the global economy
The sharp rise in oil prices and the simultaneous decline in stock markets have opened a new period of uncertainty for the global economy. At the end of the week, on March 6, 2026, the price of U.S. WTI crude oil closed near 91 dollars per barrel, while Brent ended trading around 92.7 dollars, after briefly exceeding 94 dollars during the day. These are the highest levels since 2023, and the markets reacted sharply because this is no longer just about a current jump in energy prices, but about fear that war and disruptions in the Persian Gulf could last long enough to slow economic growth and reignite inflation.
At the center of this story is the Strait of Hormuz, a narrow sea passage between Oman and Iran that has for decades been one of the most important energy corridors in the world. According to data from the U.S. Energy Information Administration, around 20.9 million barrels of oil per day passed through that strait in 2024 and in the first half of 2025, which corresponds to approximately one fifth of global consumption of oil and petroleum products. About one fifth of global trade in liquefied natural gas also passes along the same route, primarily from Qatar. That is why every more serious disruption to traffic through the Strait of Hormuz instantly becomes a global economic topic, and not just a regional security problem.
Why the market reacted so violently
In recent days, investors are no longer assessing only the exchange of military strikes and political threats, but are calculating the very concrete possibility that energy supply chains could remain disrupted longer than originally expected. Associated Press states that the rise in oil prices at the end of the week was directly linked to the war involving Iran, while fears surrounding the Strait of Hormuz further intensified nervousness on Wall Street. Financial markets are particularly sensitive when geopolitical risk affects energy, because energy is an input cost for almost every economic activity: transport, industry, agriculture, chemical production, logistics, air traffic, and households.
That is precisely why stock markets do not react only to the price of a barrel itself, but to what it signals. If oil remains expensive for a longer period, companies' costs rise, consumers' bills and fuel prices rise, and central banks become more cautious about any potential cuts in interest rates. In other words, the market begins to fear a scenario in which the economy weakens while inflation strengthens again. That is a combination that investors usually punish by driving down stock prices, especially in sectors that depend on consumption and cheap financing.
Data from the U.S. market confirm this very clearly. According to the closing figures published by Associated Press, the S&P 500 index fell 1.3 percent to 6,740.02 points, the Dow Jones lost 453.19 points and dropped to 47,501.55, while the Nasdaq weakened by 1.6 percent, to 22,387.68 points. The Russell 2000, which better shows sentiment toward smaller and more economically sensitive companies, fell 2.3 percent. Weekly performance was also poor: the Dow lost 3 percent, the S&P 500 around 2 percent, and small issuers were under even stronger pressure. This shows that investors are not fleeing only from technology or risky stocks, but are broadly reducing exposure to the market.
The Strait of Hormuz is not symbolism, but a real chokepoint of global supply
The importance of the Strait of Hormuz is often mentioned during crises in the Middle East, but the current situation has gained additional weight because of concrete disruptions in maritime traffic. Shipping companies Maersk and Hapag-Lloyd announced at the beginning of March that they were suspending transits through the strait or introducing emergency operational measures, suspensions, and additional charges because of the security situation. For the market, this was an important signal that this is not just political posturing and heightened rhetoric, but a disruption entering real logistics and commercial flows.
When large shipping companies change routes, halt bookings, or introduce extraordinary surcharges, the consequences do not remain confined within the energy sector. Cargo is redirected, delivery deadlines are extended, insurance and transport become more expensive, and the additional cost gradually spills over further to manufacturers and end buyers. In such circumstances, oil is not the only problem. Transport, petrochemical products, some food inputs, and goods that depend on long international supply chains also become more expensive. That is why financial markets read this story far more broadly than a mere rise in the price of gasoline.
The U.S. Energy Information Administration had already warned earlier that the Strait of Hormuz is the world's most important chokepoint for oil transit. The reason is not only the enormous quantity of energy products that passes through it, but also the fact that alternative routes cannot fully replace that volume. Even when part of exports can be redirected through pipelines or other ports, the closure or serious restriction of passage through Hormuz still means delays, more expensive transport, and rising prices on the global market.
Why rising oil prices bring down stocks
At first glance, it might seem that more expensive oil benefits energy companies and exporting countries, so it is not entirely clear why markets react so negatively. But the answer lies in the breadth of the effect. A higher oil price increases operating costs for thousands of companies that are not in the energy sector. Airlines and road transport companies are the first to feel the blow, but they are then followed by producers of consumer goods, industry, the construction sector, and trade. At the same time, this is not only about fuel, but also about plastics, fertilizers, chemicals, packaging, and a whole range of products that depend on derivatives.
When investors conclude that costs will rise faster than revenues, the expected profitability of companies falls. At the same time, households, faced with higher spending on fuel, heating, and transport, have less room for other consumption. This hits retail, tourism, part of the services sector, and durable goods. That is why a jump in energy prices is often bad news even when there is no formal recession: it is enough for businesses and consumers to become more cautious for growth to weaken.
An additional problem in the markets is that the energy shock occurred at a moment when investors were already sensitive to weaker macroeconomic signals from the United States. Associated Press states that, along with the rise in oil, a weaker report on the U.S. labor market was also published, which further worsened sentiment. When a geopolitical shock combines with signs of a slowdown in the world's largest economy, precisely the combination that looks most unpleasant to investors emerges: more expensive energy, weaker growth, and less room for monetary policy maneuvering.
Inflation returns to the focus of central banks
In January, the International Monetary Fund projected global growth of 3.3 percent for 2026, with an assessment that inflation should continue to ease, but among the main downside risks it specifically highlighted the escalation of geopolitical tensions. That is precisely why the current jump in oil is not viewed as a short-lived episode in commodity markets, but as a potential threat to the broader macroeconomic environment. If energy remains expensive for several weeks or months, central banks may become less willing to further ease monetary policy even if growth slows.
This is especially important for Europe, where economies have long been sensitive to movements in energy prices. Any new rise in the price of oil and gas is quickly reflected in the costs of transport, industry, and households, and in some countries also in the political debate about the cost of living. In the event of a longer disruption through the Strait of Hormuz, pressure would not remain only on crude oil. Since a significant share of the world's LNG also passes from Qatar via that route, the European gas market could also remain under pressure, especially if other routes or terminals are disrupted at the same time.
For now, there is no reliable answer as to how long the market can absorb this level of risk without an even stronger reaction. But experience from previous energy shocks shows that financial markets cope particularly badly with uncertainty about the duration of a crisis. Investors digest even very bad news more easily if they can assess its duration. The problem arises when it is not clear whether the disruption will be short and technical or long-lasting and structural. At the moment, duration seems to be the greatest unknown.
What this means for citizens and the real economy
For citizens, this story is first seen at gas stations, but if the crisis lasts longer, the effects would spread much further. More expensive fuel raises the cost of road transport of goods, and more expensive transport gradually raises the input costs of traders and manufacturers. Industry with higher energy consumption feels pressure on margins faster, while households with higher spending on mobility and utility bills become more cautious in consumption. In countries that depend more heavily on energy imports, such an effect can also spill over into a general sense of economic insecurity.
That is precisely why oil often acts as a kind of crisis multiplier. By itself it does not necessarily have to cause an economic downturn, but it can amplify existing weaknesses: high interest rates, weak industrial activity, slowing consumption, or pressure on public finances. If war and problems in maritime traffic persist, the market will rightly watch not only the price of a barrel, but also how quickly refineries, shipping companies, insurers, and governments react to the new conditions.
For European consumers and businesses, the ability of states to cushion the blow without creating additional fiscal problems will also be important. During previous energy crises, many governments resorted to subsidies, tax relief, and administrative interventions. Such measures can ease pressure in the short term, but they do not solve the root of the problem if global supply remains constrained. That is why, in the coming days as well, markets will closely monitor not only military and diplomatic news, but also all information about actual traffic through the Strait of Hormuz, insurance prices, cargo bookings, and available stockpiles.
The most important question is not how much oil rose today, but how long it can remain expensive
The movements so far show that investors are ready to very quickly build a geopolitical risk premium into prices, but also to punish stocks just as quickly when they assess that more expensive energy could choke growth. That is why the current market reaction is not only an emotional response to war headlines, but a rational assessment that a disruption in the world's most important energy strait can spill over into inflation, interest rates, consumption, and business results. In other words, oil has once again become a barometer of broader economic fear.
Whether the nervousness will calm down or intensify depends primarily on whether traffic through the Strait of Hormuz will be normalized and whether the security situation will stabilize quickly enough for shipping companies and traders to restore their usual routes. Until that happens, the market will read every new rise in energy prices as a warning that the war could have longer-lasting and more expensive economic consequences than had recently seemed likely. In such an environment, this is no longer only about oil prices, but about the question of how resilient the global economy is to yet another energy shock at a time when many countries have still not fully recovered from previous disruptions.
Sources:- Associated Press – report on the jump in oil prices to the highest levels since 2023 and the decline in U.S. stock indexes on March 6, 2026. (link)
- Associated Press – final data on the movement of U.S. stock indexes on March 6, 2026. (link)
- U.S. Energy Information Administration – data on the quantities of oil and LNG passing through the Strait of Hormuz and an explanation of its role in global energy security (link)
- U.S. Energy Information Administration – additional data on the share of global LNG trade passing through the Strait of Hormuz (link)
- Maersk – emergency notice on the suspension of passages through the Strait of Hormuz and the introduction of urgent operational measures from the beginning of March 2026. (link)
- Maersk – notice of an emergency surcharge for shipments due to the closure of the Strait of Hormuz, published on March 2, 2026. (link)
- Hapag-Lloyd – official notice on the suspension of transit through the Strait of Hormuz due to the security closure, published on March 3, 2026. (link)
- International Monetary Fund – January update of the world economic outlook for 2026 warning that geopolitical escalations remain an important downside risk for growth and inflation (link)
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