Impact of the U.S.-Iran Ceasefire on Global Oil Prices

On April 8, 2026, President Donald Trump announced a two-week ceasefire between the United States and Iran, which has been engaged in conflict since February 27. This announcement aimed to facilitate the reopening of the Strait of Hormuz, a critical waterway through which approximately 20% of the world's oil and gas supplies transit. Following the ceasefire, Brent crude prices fell by about 12%, dropping from $103 to $91 per barrel, while West Texas Intermediate crude saw a similar decline, falling to around $94.41 per barrel. This relief rally extended to global stock markets, with the Dow Jones Industrial Average rising by 2.85% and the S&P 500 gaining 2.51%.

New York Times

Despite the positive market response, gas prices for consumers remain high, averaging $4.16 per gallon, a significant increase of $1.18 since the onset of the conflict. Analysts from GasBuddy indicate that even a modest decrease to $4 per gallon may take one to two weeks, while returning to pre-war prices below $3 could take several months. The delay in price adjustments is attributed to the time required for oil production to ramp up and for confidence to be restored in shipping through the Strait of Hormuz.

CNN

While the ceasefire has led to initial optimism, the situation remains precarious. Iranian media reported that Iran had closed the strait again following Israeli attacks on Hezbollah, raising concerns about the security of shipping routes. Matt Smith from Kpler noted that even if the strait reopens, restoring oil production from Gulf states like Saudi Arabia, Kuwait, and the United Arab Emirates, which collectively shut down about 5 million barrels per day in March, will take time. The infrastructure damage sustained during the conflict complicates this further.

CNN

The ceasefire is characterized as a "fragile truce," with both sides expressing differing interpretations of the agreement. Iranian Parliament Speaker Mohammad Bagher Ghalibaf accused the U.S. of violating key terms, while U.S. officials emphasized that the ceasefire does not extend to actions in Lebanon. This ongoing tension contributes to the uncertainty surrounding oil prices and market stability. Analysts warn that if hostilities resume, the current relief in oil prices could quickly reverse.

CNBC

The conflict and subsequent disruptions have led to energy emergencies in over 100 countries, particularly in Asia, where governments have implemented measures such as fuel rationing and work-from-home policies. The long-term effects on global energy markets are expected to persist, with economists predicting that the repercussions will extend into 2026 and beyond. The ongoing geopolitical risks and damaged infrastructure will likely keep energy prices elevated, affecting consumers worldwide.

Al Jazeera (website)

• “There’s an old expression – gas prices go up like a rocket and come down like a feather,” — Tom Kloza, Independent Oil Analyst

CNN

• “The market has been eager to get good news but it remains to be seen if the Strait of Hormuz opens fully,” — Bob McNally, Rapidan Energy Group

CNN

• “At the moment it’s very uncertain,” — Matt Smith, Kpler

CNN

The U.S.-Iran ceasefire has provided a temporary reprieve for oil markets, but significant challenges remain. The reopening of the Strait of Hormuz is crucial for stabilizing global oil supplies, yet geopolitical tensions and infrastructure damage pose ongoing risks. As the situation evolves, consumers and markets will continue to feel the effects of this complex conflict.

CNN