Oil at 4-Year High Despite Pullback: US-Iran Blockade Hits Crude Oil Exports – Best Energy Investments Now

Key Takeaways

• Brent crude reached $126.41 per barrel in May 2026, the highest level in four years
• The US government imposed a naval blockade on Iranian oil exports of 3.45 million barrels per day
• According to DIW Berlin, the price increase from Iran sanctions should remain below $20 per barrel
• Saudi Arabia has reserve capacity of 1-2 million barrels per day available for rapid expansion
• Six of the largest fossil fuel energy companies could achieve around $94 billion in combined profits in 2026

Oil Price Climbs to Highest Level Since 2022

The oil market experienced a massive price surge in late April 2026. Brent crude for June delivery climbed to $121.62 per barrel and even reached $126.41 temporarily – the highest level since 2022. Prices rose steadily throughout the week, surpassing even the level seen at the start of the Iran war.

The price increase reflects heightened geopolitical tensions in the Middle East. The prospect of a prolonged blockade of the Strait of Hormuz – one of the world's most critical trade routes for crude oil – drove prices even higher. This waterway between the Persian Gulf and the Gulf of Oman is a critical chokepoint in global energy trade.

US Naval Blockade on Iranian Oil Exports

The US government imposed a naval blockade on Iran to cut off its oil exports. The goal: to deprive the Tehran regime of crucial revenues. Iran was recently producing approximately 3.45 million barrels per day. This production volume represents around 3.4 percent of global crude oil production.

At the same time, there were signals of a partial relaxation. The Trump administration lifted sanctions on a portion of Iranian oil already aboard tankers at sea. This measure was part of negotiations with Tehran and was intended to ease bottlenecks in the global energy market.

DIW Berlin: Moderate Price Increase Expected

The German Institute for Economic Research (DIW Berlin) assesses the impact of US sanctions on Iranian crude oil exports as manageable. According to DIW researcher Aleksandar Zaklan, the sanctions should lead to a moderate price increase. Market data shows that the oil market is currently well-supplied despite sanctions on Iranian oil exports.

DIW simulation calculations revealed: If sanctions were fully effective, a price increase of less than $20 per barrel would be expected. This assessment is based on several dampening factors in the global oil market. The institute emphasizes: "There are various mechanisms that can limit the price effect of US sanctions on Iranian crude oil exports."

OPEC Reserve Capacity as a Buffer

The OPEC's effective reserve capacity was at a comfortable level in 2026. Saudi Arabia alone would be able to rapidly increase its production by one to two million barrels per day to offset market deficits. This capacity is roughly equivalent to half to the full Iranian production volume.

The US Energy Information Administration (EIA) updated its methodology for recording these capacities at the end of 2025. The agency defined "maximum sustainable capacity" as the production rate that can be achieved and maintained within one year. In a normal market environment, this reserve capacity would reliably prevent a massive price surge following the Iranian production shortfall.

Chart Analysis: Technical Levels in Focus

From a technical perspective, prices above $80 indicate a trend reversal that should at least test the high at $130. Medium-term trends can produce temporary overvaluations or undervaluations due to geopolitical events – as currently caused by the Iran war. The years 2020 and 2022 also provide examples of such price swings.

A break below the last local low in the $55 range would activate targets around $45. This technical level is, however, far below current prices and appears unlikely in the current geopolitical environment.

Profit Explosion at Energy Companies

Rising oil prices are delivering strong profit gains for major energy companies. According to aid organization Oxfam, six of the largest fossil fuel energy companies could achieve around $94 billion in combined profits in 2026. This represents an increase of approximately $13.5 billion compared to the prior year.

This profit development reflects persistently high oil prices and robust demand for fossil fuels. Despite all climate protection efforts, crude oil remains a central energy source for the global economy. Geopolitical tensions in the Middle East further reinforce this dependence.

Investment Perspectives in the Energy Sector

For investors in the DACH region (Germany, Austria, Switzerland), the current market situation presents different perspectives. Oil and gas stocks benefit directly from higher commodity prices and improved profit margins. Large integrated companies with exploration, production, and refining operations should benefit most from the price rally.

At the same time, geopolitical risks present significant uncertainties. A rapid easing of Middle East tensions or a significant production expansion by Saudi Arabia could quickly put pressure on prices. DIW Berlin expects a moderate price effect – this implies that extreme price scenarios above $140 per barrel appear rather unlikely.

Investors should note: OPEC reserve capacity acts as a natural price ceiling. Saudi Arabia could quickly bring additional volumes to market if needed. This flexibility limits upside potential but also provides protection against extreme downside price swings.

Risk Factors and Market Outlook

Further development depends significantly on three factors: the duration of the US blockade on Iranian oil exports, the response of OPEC producers, and potential diplomatic progress in the Iran conflict. The partial lifting of sanctions on Iranian oil aboard tankers suggests a pragmatic approach by the US government.

For US President Trump, high gasoline prices in an election year present a political risk. Critics argue that he places too much focus on foreign policy and too little on the problems of US citizens. This domestic political pressure could lead to a more cautious sanctions policy.

Retail investors in the DACH region should pay attention to currency effects. Oil is traded in US dollars – a strong franc or euro dampens the price increase in local currency. Conversely, a weak euro amplifies price increases for European consumers and businesses.