Hormuz 2026: Why Your Margin Calculation Is Already Broken

On March 13, 2026, Brent crude (May delivery) briefly traded at 100.43 US dollars per barrel. The International Energy Agency had just authorized the largest strategic reserve release in its history: 400 million barrels, with the United States contributing 172 million. The price barely moved.That is not a market reaction. That is a structural signal.

What Is Actually Happening

Before the conflict began, Hormuz was handling roughly 20 million barrels of oil and refined products per day, representing about 27 percent of all global seaborne oil trade. As of this week, less than one-tenth of that volume is transiting the strait. The Petroline, Saudi Arabia's East-West pipeline, is the primary bypass route. Its design capacity is 7 million barrels per day, but the loading infrastructure at the Yanbu terminal on the Red Sea can realistically handle around 3 million barrels per day, according to analysts at Vortexa. Before the crisis, it was moving approximately 2.8 million barrels daily. That covers a fraction of what Hormuz was transporting.

Philip Jones-Lux, senior market analyst at Sparta Commodities, called the current situation "the most significant disruption to oil supply since the 1970s." Goldman Sachs estimated that the full IEA reserve release could compensate for roughly 12 days of lost Gulf exports. After that, the math gets difficult.

The additional layer: drone strikes have already forced the temporary shutdown of ADNOC's Ruwais refinery in Abu Dhabi. Iranian-aligned forces are not only blocking the strait, they are targeting infrastructure behind it.

What This Means for Your Business

Direct EU imports from Iran and neighboring Gulf states via Hormuz represent about 2 percent of total extra-EU imports. For crude oil specifically, the figure is 6.2 percent, and for liquefied natural gas it is 8.7 percent. Those numbers look manageable until you factor in the indirect effects.

The ifo Institute and Econ

Pol Europe are explicit on this point: the bigger risk for European industry is not the missing direct shipments but the price effects that ripple through global energy markets and supply chains. And those are already moving.

Diesel in Germany is currently at 2.188 euros per liter, up 44.2 cents from pre-conflict levels. Super E10 stands at 2.045 euros, up 26.7 cents over the same period. For production-based SMEs, the transmission channel from crude prices to component costs runs roughly four to eight weeks. That wave is already in transit.

Four cost drivers to monitor right now:

Energy and transport. Oil above 100 dollars pulls freight, plastics, and chemical inputs upward with a lag. The lag is shortening as suppliers price forward.

Speculative surcharges. Suppliers presenting energy surcharges during price uncertainty are often not working from hard cost calculations. In a significant share of cases, the markup is partially or fully opportunistic. Ask for itemized cost breakdowns: material, energy, and logistics as separate line items. If they cannot provide that, the surcharge has no hard basis.

Force majeure clauses. Quarterly contracts are being unwound. Review every active supply contract for price escalation clauses, indexation mechanisms, and force majeure language. Vague formulations are your negotiating room.

Working capital. Building safety stock on critical long-lead components makes sense right now if liquidity allows it. Just-in-time has become just-in-crisis.

Two Scenarios for the Rest of 2026

Scenario A: The blockade holds for four to eight more weeks. Brent could push toward 120 dollars, a level analysts identified as possible before the IEA intervention. Energy-intensive manufacturing in Germany loses competitive footing against producers in regions with lower input costs. This is not a medium-term trend. It is acceleration.

Scenario B: An unstable ceasefire is announced. The more likely short-term outcome. Prices stabilize but at a level roughly 35 to 45 percent above early 2024 benchmarks. Volatility stays structurally elevated. Any calculation with a 12-month validity window is a liability, not a planning tool.

Brent was trading near 73 dollars before hostilities began. It spiked above 120 dollars in the opening hours. It is now sitting just above 100. That range tells you everything about the market's confidence in a quick resolution.

What to Do Before Q2

Check your supply contracts this week. Separate real cost drivers from speculative markup in every active negotiation. Build selective physical inventory on critical components while your liquidity supports it. Do not count on government price interventions to arrive before Q2 pressure does.

Four of every five barrels that transit Hormuz are destined for Asian markets. That demand pressure is not going away. Asian governments are already implementing energy rationing measures, which means competition for available supply will intensify.

Your suppliers know this. Some are pricing it rationally. Some are pricing it opportunistically. Knowing which is which is the job.

The next issue covers this in detail: how to dismantle a speculative energy surcharge in 20 minutes, with the specific questions to ask and the answers that indicate whether the markup has any hard basis.

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Werner Wonisch is worked in strategic procurement since over 20 years. He negotiates actively and shares that expertise with managing directors of production-based SMEs.