Oil jumps as US signals extended Iran blockade

Oil prices rose sharply on April 29, 2026, as concerns over prolonged disruptions to Middle Eastern supply intensified. Brent crude (UKOIL) gained more than 5% to $117.34 per barrel, while West Texas Intermediate (WTI) (USOIL) climbed to $105.19 per barrel. These were described as the highest levels since April 13, 2026, underscoring the scale of the move.

The rally came as markets reacted to expectations that the United States will extend its blockade of Iranian ports. The escalation in prices highlighted mounting anxiety over the stability of crude flows from the region amid the ongoing Iran war.

News of the price spike followed reports that oil had soared above $118 on some markets after indications of an "extended" Iran blockade. The price surge fed through to broader financial markets, with headlines noting that US Treasury yields hit their highest levels since March as oil moved higher.

The US government is expected to prolong its blockade of Iranian ports, a policy that has already contributed to tightness in global crude supplies. The blockade is aimed at restricting Iran’s oil exports and has become a central factor in current energy market dynamics.

On April 28, 2026, President Donald Trump met with leaders from US oil and commodities companies to discuss the potential for a months-long extension of the blockade. According to reports, the discussions focused on strategies to mitigate the impact of such an extension on both domestic producers and global markets.

Bloomberg reported that the United States has signaled there will be no let-up in the Iran blockade even as the war continues to drive up crude prices. This stance has reinforced market expectations that supply constraints from Iran are likely to persist.

Analysts estimate that more than $50 billion worth of crude oil supply has been lost since the start of the Iran war, based on calculations as of mid-April 2026. The blockade of Iranian ports is a significant contributor to these losses, reducing available barrels on the international market.

The resulting supply shortfall has intensified competition among buyers and increased price volatility. Traders have been adjusting positions as shipping routes and delivery schedules face disruptions linked to the situation around Iranian ports and the wider region.

One reported consequence of the turmoil has been a rise in legal disputes. Bloomberg highlighted that oil traders are hiring legal counsel as disruptions in and around the Strait of Hormuz lead to billions of dollars in contractual disagreements over deliveries and pricing.

The surge in oil prices has intersected with movements in other asset classes. Headlines noted that US Treasury yields rose to their highest levels since March as crude prices advanced, reflecting shifting expectations in broader financial markets.

Market sentiment around oil has been described as bullish, driven by the expectation that the Iran-related supply constraints will not be resolved quickly. With Washington signaling a continued hard line on the blockade, traders are factoring in the risk of sustained tightness in global crude supply.

As the US and Iran remain at an impasse in negotiations, the prospect of an extended blockade continues to frame investor decisions. For now, the combination of lost supply, policy uncertainty and legal disputes is keeping upward pressure on prices and reinforcing concerns over Middle Eastern oil stability.