Oil jumps as US‑Iran tensions hit supply

Oil prices rose on May 8, 2026 after renewed tensions between the United States and Iran in the Strait of Hormuz. Brent crude (UKOIL) futures gained 1.20% to $101.26 per barrel, while West Texas Intermediate futures increased 0.88% to $95.64 per barrel.

The price gains pushed Brent (UKOIL) back above the $100 mark, reinforcing concerns about the impact of Middle East instability on global energy markets. The moves followed a period of heightened volatility linked to the conflict.

The market reaction came after the U.S. and Iran exchanged fire in the Strait of Hormuz on May 7, 2026. The incident has raised fears that a fragile ceasefire between the two countries is deteriorating, with both sides accusing the other of initiating attacks.

Headlines from international outlets highlighted the risk that the ceasefire is on the brink, as the confrontation in a key chokepoint for global oil shipments unnerved investors and traders.

The International Energy Agency reported that the ongoing hostilities were disrupting approximately 14 million barrels per day of global oil supply as of May 7, 2026. The Strait of Hormuz is a critical route for crude exports, and any interruption has an outsized effect on seaborne flows.

The scale of the disruption has intensified concerns about tightness in physical oil markets. This has added to upward pressure on prices and contributed to worries about potential spillovers into inflation and economic growth.

Analysts at Citi noted that, despite the recent volatility linked to the Middle East, broader financial markets may eventually stabilise. However, they warned that the path to normalisation is likely to be challenging.

Citi expects oil prices could remain elevated in the months ahead if tensions persist, reflecting both the current supply disruption and ongoing uncertainty around the ceasefire. This outlook underscores the risk that energy costs remain a source of pressure for the global economy.

Business coverage from major outlets has focused on how higher oil prices are affecting sectors from energy producers to banks, with some companies reporting significant gains from the price spike. At the same time, equity markets in regions such as Asia have come under pressure amid concerns about the conflict.

Reports also pointed to renewed anxiety in housing and other domestic markets in some countries, as higher energy prices and geopolitical tensions feed into wider economic sentiment. Overall, the Iran-U.S. confrontation and the strain on the ceasefire remain central drivers of current market dynamics.