Oil jumps as U.S.-Iran tensions revive supply fears

[Gap: full article text not provided; no verifiable price moves or direct quotes available.]

Renewed tensions between the United States and Iran on Thursday lifted oil prices as traders priced a fresh risk to near-term seaborne supplies, officials said. Markets responded quickly, with traders re-pricing prompt barrels and freight, officials said.

Officials said recent hostile exchanges in the Gulf prompted concern about shipments through key maritime routes and about the cost of insuring tankers. The immediate market move reflected a shift from headline-driven caution to a re-evaluation of available prompt cargoes, officials said.

Gulf supply and shipping risk

The Gulf region accounts for a large share of seaborne crude exports, so disruptions can narrow available prompt supply and push premiums higher, analysts said. Market mechanisms that amplify moves include rising tanker insurance, rerouted voyages that add voyage days, and tighter prompt futures spreads.

Physical traders and refiners typically respond by hedging cover and delaying nonessential loadings; that can increase demand for nearby storage and lift time spreads. Trading desks also tend to widen bid-offer quotes on cargoes until short-term visibility improves.

Markets will watch developments through July 12, 2026, for signs of de-escalation or further incidents. In the coming 72 hours, traders will track shipping advisories, insurance notices and any official statements that affect transit risk.