Oil Prices Top $90 as Hormuz Tensions Rise After Deadline Passes

Oil prices climbed sharply on Tuesday as the deadline for a US-Iran ceasefire passed without agreement and President Trump warned of further pressure on Tehran. Brent crude rose above 90 dollars a barrel for the first time since late July, reaching 91.63 dollars in early trading, while West Texas Intermediate futures advanced toward 84 dollars. The gains followed reports that Iranian officials had signaled a shift to a more offensive posture and that a cargo vessel had come under attack in the Strait of Hormuz.

Market participants cited both the immediate risk of supply disruption and longer-term uncertainty over whether diplomatic channels remain viable. Roughly one quarter of global seaborne oil normally transits the strait, so even modest reductions in expected flows can lift prices quickly. Analysts noted that the latest comments from the White House, including a threat to strike Oman if it interfered with US operations, had raised the prospect of wider involvement rather than a contained standoff.

US stock futures pointed lower in response. Contracts tied to the S&P 500 fell about 0.4 percent, while Nasdaq-100 futures dropped nearly 1 percent. Treasury yields moved higher as well, with the 10-year note reaching 4.72 percent. Higher energy costs tend to feed into broader price pressures, an effect that has historically weighed on consumer spending and industrial activity when sustained.

The US Strategic Petroleum Reserve stands at its lowest level since 1982, limiting the buffer available if disruptions intensify. Corporate earnings reports released this week offered little offset. Home Depot shares rose modestly after the retailer reported steady demand for smaller projects, yet the overall tone in equity markets reflected caution over input costs rather than optimism about demand.

Traders are now watching whether Oman maintains its role in regional talks or steps back under the new pressure. A narrower set of diplomatic options would likely keep a geopolitical premium embedded in crude prices for an extended period. Past episodes of strait tensions show that such premiums can linger even after initial incidents subside, raising costs across transportation, manufacturing, and agriculture.

The combination of elevated oil, rising bond yields, and mixed equity performance illustrates how foreign policy developments transmit directly into household and business expenses. Energy markets continue to price both the short-term risk of blocked shipments and the possibility that the current impasse will require months rather than weeks to resolve.