Oil prices fell sharply on Monday, August 3, after US President Donald Trump called off a planned attack on Iran and said he was seeking a quick deal to curb Tehran’s nuclear ambitions and reopen the strategically important Strait of Hormuz.
Brent crude futures fell $4.65, or 5.29%, to $83.28 a barrel by 0702 GMT, while US West Texas Intermediate (WTI) crude dropped $5.20, or 6.14%, to $79.47 a barrel. The decline came after both benchmarks had gained more than 20% in July as the conflict between the US and Iran intensified and concerns grew over disruptions to global oil supplies.
The latest oil price fall reflects a sudden shift in market expectations. Investors who had been preparing for another escalation in the Middle East are now betting that diplomacy could ease pressure on oil supplies, particularly if shipping through the Strait of Hormuz returns to normal.
Trump said Iran and other Middle Eastern countries had asked for more time to complete a deal. He said the agreement would involve the reopening of the Strait of Hormuz and addressing what he described as the threat posed by Iran’s nuclear programme. He has said the planned military action would be cancelled as long as a deal could be reached quickly.
For oil traders, the Strait of Hormuz remains the key issue. The waterway is one of the world’s most important energy corridors, and disruptions there can quickly affect crude oil prices, shipping costs and fuel markets worldwide. Before the conflict, around 20% of global oil and liquefied natural gas supplies moved through the strait.
The possibility of the route reopening has therefore eased some of the immediate supply concerns that had pushed Brent crude prices higher in recent weeks.
However, the oil market is not assuming that the crisis is over. Shipping activity through the Strait of Hormuz remains subdued following reports of attacks on vessels. Reuters reported that two tankers carrying Saudi crude crossed the Bab el-Mandeb Strait out of the Red Sea over the weekend, while traffic through Hormuz remained slow. The United Kingdom Maritime Trade Operations also reported three additional tanker attacks since Saturday.
That uncertainty means oil prices could remain highly sensitive to developments in the US-Iran negotiations. A successful agreement could encourage shipping companies to resume normal operations and bring additional crude supplies back into the market. A breakdown in talks, on the other hand, could quickly revive fears of supply disruptions and send crude oil prices higher again.
The recent fall also comes alongside an increase in planned OPEC+ production. The Organization of the Petroleum Exporting Countries and its allies agreed on Sunday to raise their oil production quota by about 188,000 barrels per day from September. The move completes the unwinding of another portion of the voluntary production cuts introduced earlier.
The impact of the higher OPEC+ output, however, may be limited in the short term. Disruptions linked to the Iran and Ukraine conflicts have prevented some of the additional planned supply from reaching the market. As a result, previous monthly increases in OPEC+ production have had less effect on actual availability than expected.
The oil market reaction was also visible across global financial markets. US and European stock futures moved higher as investors welcomed the possibility of a broader de-escalation in the Middle East. S&P 500 futures gained 0.6%, Nasdaq futures rose 0.8%, while European futures were up about 0.8%, according to Reuters.
Lower oil prices also helped push US Treasury yields down. The yield on the 30-year US Treasury fell 3.7 basis points to 5.238%, moving further away from a 19-year high reached last week.
The decline in crude prices could also ease some of the inflationary pressure that had emerged from the conflict. Higher fuel and transportation costs can feed into the prices of goods and services, making oil prices an important factor for central banks and financial markets.
The stakes are particularly high because Brent crude oil prices had already surged sharply during the latest phase of the conflict. Reuters reported that Brent gained 24% in July as an earlier ceasefire unravelled and fighting intensified again.
Trump’s decision to pause the planned strike has therefore given markets some breathing room, but traders remain cautious. The next phase will depend largely on whether Washington and Tehran can turn the latest diplomatic opening into a lasting agreement.
For now, the immediate pressure on global oil prices has eased. Brent has moved back towards the low-$80 range and WTI has slipped below $80, offering some relief to consumers and businesses exposed to energy costs.
But the market is unlikely to declare victory yet. The Strait of Hormuz remains vulnerable, shipping routes are still facing security risks and the US-Iran nuclear negotiations could change direction quickly. If talks progress, oil could remain under pressure as supply fears fade. If they collapse, the geopolitical risk premium could return just as quickly.