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Oil Prices Jump on Renewed US Iran Hostilities

USO jumped over 4% as President Trump declared the Iran ceasefire dead and Tehran threatened to close the Strait of Hormuz,…

Oil prices climbed on Wednesday, with the United States Oil Fund (AMEX:USO) rising 4.44% to 113.91 dollars as traders weighed the prospect that oil prices jump on renewed US Iran hostilities following President Trump's declaration that a fragile ceasefire with Tehran has collapsed.

United States Oil Fund, LP AMEX:USO
Price113.91 USD
Day change+4.84 (+4.44%)
52-week range102.42 – 154.08
RSI (14)46.03
Volume8,138,867
Data as of 2026-07-08

What Triggered the Latest Spike in US Iran Tensions

The move followed an attack on three commercial vessels transiting the Strait of Hormuz. An LNG tanker was hit on its port side, sparking an engine room fire, while a Saudi flagged supertanker sustained minor damage off Oman. The United States answered with a large scale military response, striking more than 80 targets inside Iran using precision guided munitions and 5,000 pound bunker penetrating bombs against sites on Qeshm Island, in Sirik, and at the port city of Bandar Abbas.

Iran's Khatam al Anbiya Central Headquarters responded by declaring the Strait of Hormuz formally closed, warning that any vessel attempting passage would face direct military action. Roughly a fifth of global oil shipments pass through that corridor, so a genuine closure would ripple through fuel markets worldwide.

Why USO Still Sits Well Below Its 52 Week High

Even after the jump, USO trades within a 52 week range of 102.42 to 154.08 dollars, well off its highs and closer to the lower half of that band. The fund's relative strength index reads 46.03, a neutral level that suggests the rally has not yet pushed the market into overbought territory. That leaves room for prices to keep climbing if the standoff escalates further, but it also reflects months of softer demand expectations and ample global supply that had kept a lid on crude before this week's news.

An analyst monitors shipping routes and oil price screens in a control room.

Supply Risk Meets a Sanctions Squeeze

Washington also pulled a temporary waiver that had allowed Iran to sell oil and petrochemical products, choking off a revenue stream Tehran had relied on since the interim truce was signed in June. That decision compounds the market impact of the physical attacks, since it removes barrels from the legal export market at the same time shippers are pricing in war risk.

Tanker owners operating in the Gulf have already pushed freight rates higher to offset the danger, and refiners across Asia are reportedly looking at alternative crude cargoes from West Africa, the United States, and Latin America in case Hormuz stays shut. That scramble for substitute supply is itself a bullish signal for oil prices, since it shows buyers are not waiting to see how the standoff resolves before securing barrels elsewhere.

How Long the Ceasefire Collapse Could Weigh on Markets

The scale of this week's strikes dwarfs earlier rounds of retaliation between the two sides, and officials on both sides have used unusually final language, with Iran calling the strait closed and the American president dismissing the recent memorandum of understanding outright. Whether the standoff cools quickly or drags on will likely determine if USO's move higher extends toward its 52 week high or fades back toward the middle of its recent range.