Trump’s New Iran Blockade Could Hit Oil Prices Harder
**The Strait of Hormuz is closed again, and this time the stakes are even higher. With Brent crude surging past $85 a barrel and Iran threatening to shut down other vital shipping lanes, American drivers and businesses are bracing for a new wave of energy-driven inflation.**
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## Introduction: The Ghost of the February Shock Returns
For a brief moment in June, it looked like the nightmare was over. The U.S. and Iran had signed a memorandum of understanding, the Strait of Hormuz was reopening, and oil prices were falling back toward prewar levels. American drivers watched gas prices inch down from their $4.56 peak, and economists dared to hope that inflation might finally ease.
That hope lasted exactly 21 days.
On July 13, 2026, President Donald Trump announced that the United States was reinstating a naval blockade on Iran — a move that effectively closed the Strait of Hormuz once again. “We are reinstating the THE IRANIAN BLOCKADE, so named because it is only stopping Iran's ships or customers from entering or leaving,” Trump wrote on Truth Social. The president declared the U.S. the new “guardian” of the strait and initially proposed a 20% fee on all cargo shipped through the waterway.
The market reacted with fury. Brent crude surged 9.6% in a single day — its biggest daily rise since May 2020 — closing at $83.30 a barrel. West Texas Intermediate soared 9.4% to $78.14. Within hours, oil had topped $85 a barrel for the first time in a month.
The question now is not whether oil prices will rise — they already have. The question is **how high will they go, and how long will the pain last?**
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## The Numbers That Matter: A $30 Million Hit Per Supertanker
To understand the scale of what’s happening, you have to look at the numbers.
When Trump first announced the blockade, he demanded a 20% reimbursement on all cargo passing through the Strait of Hormuz. That’s not a symbolic gesture. On a full supertanker carrying 2 million barrels of oil at $80 a barrel, a 20% fee would amount to roughly **$32 million** — or an additional cost of **$16 per barrel**. The Iranians, by contrast, had been pushing for a mere $1 per barrel toll.
Even after Trump backed away from the fee — replacing it with vague promises of “trade and investment deals” with Gulf states — the damage was done. The uncertainty alone has pushed prices higher.
**The price action tells the story:**
| Date | Brent Crude | WTI Crude | Key Event |
|------|-------------|-----------|-----------|
| July 12 | ~$77/bbl | ~$72/bbl | Pre-blockade levels |
| July 13 | **$83.30** (+9.6%) | **$78.14** (+9.4%) | Trump announces blockade |
| July 14 | ~$85-$87/bbl | ~$80/bbl | Blockade takes effect; strikes continue |
| July 15 | **> $85/bbl** | **> $80/bbl** | Fourth straight day of gains |
Brent crude has now gained about 12% in just four trading sessions. The global oil benchmark is trading above $85 a barrel, and analysts warn that further gains are likely.
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## The Strait of Hormuz: A Chokepoint Like No Other
The Strait of Hormuz is not just another shipping lane. It is **the most important energy chokepoint on Earth**.
Before the war began in late February, the strait handled about **one-fifth of global daily oil and liquefied natural gas supplies**. Roughly **25% of the world's oil and 20% of global LNG** passed through its waters. More than 100 vessels transited the strait every day, carrying crude, condensate, and petroleum products to markets in Asia, Europe, and the Americas.
Iran effectively shut down the waterway after the U.S. and Israel launched strikes against Iran on February 28. For nearly four months, the strait remained largely closed, using a combination of sea mines and small boats to enforce the blockade. The June ceasefire briefly reopened it — but now it’s closed again.
**The impact on traffic has been dramatic.** Ship tracking data shows vessel crossings through the strait have slowed to a “trickle”. The U.S. military says the blockade applies only to ships bound for or departing from Iranian ports, but the reality is that **no one wants to risk a missile attack**. As ING analysts put it: “The US continues to say that the Strait of Hormuz is open. But given the growing risk of attack, these comments will offer little comfort to ships”.
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## Why This Blockade Is Worse Than the First One
The first U.S. naval blockade of Iran, imposed in April, helped pressure Tehran to the negotiating table and paved the way for the June memorandum of understanding. But this time is different.
**ING analysts warn that the return of the US blockade is “much more impactful for markets than the previous suspension of the sanction waiver on Iranian oil”**. The reason is simple: the Memorandum of Understanding is “starting to look well and truly dead”.
There are several reasons why this blockade could hit harder:
**1. The element of surprise is gone.** The first blockade caught markets off guard. This time, traders are pricing in a prolonged disruption, not a temporary one.
**2. Iran’s response is more aggressive.** Iran is not just attacking ships in the strait; it’s threatening to close **other vital shipping lanes** as well. The IRGC has warned it will close “all other export corridors that benefit the US and its allies”. “Regional energy exports are either shared by all, or denied to all,” the Revolutionary Guards said.
**3. The stakes are higher.** The first blockade was a pressure tactic. This one is being imposed in the middle of an active military conflict, with both sides exchanging strikes.
**4. The geopolitical premium is larger.** As one analyst put it: “The consensus says neither side wants an escalation — yet their recent moves tell a different story. Clearly, oil prices simply aren't high enough yet to compel Washington to push harder for de-escalation”.
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## Iran’s Response: A New Threat to Global Shipping
Iran is not taking the blockade lying down. The country’s military has made it clear that it will not allow the United States to interfere in the management of the Strait of Hormuz. “We do not and will not, under any circumstance, allow the United States to interfere in the management of the Strait of Hormuz,” an Iranian military official said.
**But the bigger threat is what comes next.** Iran has warned that it may blockade **more key international shipping lanes**. The IRGC has threatened to close “all other export corridors that benefit the US and its allies,” which could include the **Bab el-Mandeb Strait** — a major chokepoint between Yemen and the Horn of Africa that connects the Red Sea to the Gulf of Aden.
The Bab el-Mandeb is critical for Saudi oil exports. The kingdom’s key crude oil export terminal at Yanbu on the Red Sea relies on the strait. If Iran can convince its Houthi allies in Yemen to block this route, it would effectively cut off Saudi Arabia’s ability to export oil through the Red Sea — a massive escalation that could send oil prices skyrocketing.
As the New York Times reported, “Iran warned that regional energy exports could be disrupted beyond the Strait of Hormuz, raising concerns over additional maritime chokepoints”.
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## The Human Element: What This Means for American Families
For the average American driver, this isn’t just a geopolitical story — it’s a story about the price at the pump.
**Gasoline prices were already starting to creep up** after the ceasefire collapsed. Now, with oil trading above $85 a barrel, further increases are inevitable. The national average for a gallon of regular gasoline had dropped from its wartime peak of $4.56 to just under $4 in late June. That relief is now evaporating.
The impact goes beyond the pump. **Higher energy costs ripple through the entire economy.** Fertilizer, plastics, chemicals, transportation — everything that depends on oil and natural gas is getting more expensive. The International Monetary Fund warned last week that global inflation would rise to 4.7 percent in 2026, up from 4.1 percent last year, because of higher prices for energy, metals, fertilizer and food.
**For small businesses,** the cost of shipping goods is rising. Logistics companies have reported higher freight rates than a year ago. For manufacturers, the cost of raw materials is climbing. For airlines, fuel costs are eating into profits.
**And for investors,** the volatility is a nightmare. Energy stocks are soaring, but tech stocks are getting hammered as rising oil prices reignite fears of inflation and higher interest rates. The Fed, already grappling with stubbornly high inflation, now faces an even tougher challenge.
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## The Long-Term Outlook: Can the World Bypass Hormuz?
One of the more hopeful developments is that the crisis is accelerating efforts to bypass the Strait of Hormuz entirely.
**Goldman Sachs estimates that expanding pipeline capacity in the Middle East could shield more than 60% of pre-war Gulf oil exports from any future Hormuz disruptions by the end of 2028**. The bank’s base-case forecast assumes pipeline capacity bypassing Hormuz will rise by **3.8 million barrels per day by the end of 2027** and **7.3 million barrels per day cumulatively by the end of 2028**, taking total effective bypass capacity to more than 14 million barrels per day.
**But that’s years away.** In the meantime, the world remains dependent on a single narrow waterway controlled by a hostile power.
The International Monetary Fund has warned that global inflation will rise to 4.7% in 2026 because of higher energy prices. U.S. oil reserves are at their lowest levels since 1983. And China, the world’s largest oil importer, has slashed imports of crude in recent months — but if it decides to start buying more, it could put even more upward pressure on prices.
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## What the Experts Are Saying: Divided Forecasts
Analysts are split on how high oil prices will go — and how long they’ll stay there.
**Jay Hatfield, CEO of Infrastructure Capital Management**, expects oil to hang around the $80 level: “We think we’ll hang around this US$80 level, unless there’s some movement one way or another on the strait. But I don’t think we’ll go to, like, US$90 or US$100”.
**ING analysts** are less optimistic. They note that the consensus view — that neither side wants an escalation — is being contradicted by events on the ground. “Oil prices simply aren’t high enough yet to compel Washington to push harder for de-escalation,” they warn.
**UBS analyst Giovanni Staunovo** says the market’s focus will remain on the number of inbound tankers: “The focus will remain on the number of inbound tankers as a lower number could impact production, so currently we see a risk premium and a disruption risk supporting prices”.
**The wildcard is the Bab el-Mandeb Strait.** If Iran follows through on its threat to close other shipping lanes, oil prices could spike much higher.
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## Frequently Asked Questions
### Q: Why did Trump reinstate the Iran blockade?
A: Trump reinstated the blockade after Iran attacked commercial vessels in the Strait of Hormuz and both sides exchanged military strikes. The president declared that the U.S. would serve as the “guardian” of the strait and would stop all ships bound for or departing from Iranian ports.
### Q: How much did oil prices rise after the blockade was announced?
A: Brent crude surged 9.6% in a single day — its biggest daily rise since May 2020 — closing at $83.30 a barrel. U.S. West Texas Intermediate soared 9.4% to $78.14. Oil later topped $85 a barrel.
### Q: What is the Strait of Hormuz and why does it matter?
A: The Strait of Hormuz is a narrow waterway between Iran and Oman through which about one-fifth of global daily oil and LNG supplies pass. Before the war, roughly 25% of the world’s oil and 20% of global LNG transited through it.
### Q: What is Iran threatening to do next?
A: Iran has threatened to close “all other export corridors that benefit the US and its allies,” including the Bab el-Mandeb Strait — a major chokepoint between Yemen and the Horn of Africa. This would cut off Saudi Arabia’s ability to export oil through the Red Sea.
### Q: How will this affect gasoline prices in the U.S.?
A: Higher crude prices will inevitably lead to higher gasoline prices. The national average had dropped from its wartime peak of $4.56 to just under $4 in late June, but that relief is now reversing.
### Q: Will oil prices go to $100 a barrel?
A: It’s possible but not certain. Analysts are divided. Some expect oil to stay around $80-$85, while others warn that if Iran closes additional shipping lanes, prices could spike much higher.
### Q: What is the long-term solution to the Hormuz problem?
A: The long-term solution is expanding pipeline capacity to bypass the strait. Goldman Sachs estimates that by the end of 2028, more than 60% of Gulf oil exports could bypass Hormuz through expanded pipelines.
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## Conclusion: A New Era of Energy Uncertainty
Trump’s reinstatement of the Iran blockade marks a return to the geopolitical chaos that defined the first months of the war. The Strait of Hormuz is closed again, oil prices are soaring, and American families are bracing for higher prices at the pump and in the grocery store.
**The blockade is not just a military action — it’s an economic weapon.** And like any weapon, it has consequences. Higher oil prices mean higher inflation, which means higher interest rates, which means slower economic growth. The Fed’s war on inflation, already difficult, just got a lot harder.
For now, the best-case scenario is that the blockade serves as a pressure tactic to bring Iran back to the negotiating table — just as it did in April. But the conditions are different this time. The trust is gone. The ceasefire is dead. And both sides appear willing to escalate.
As one analyst put it, “The Memorandum of Understanding is starting to look well and truly dead”.
**The question now is how high oil prices will go — and how much pain American families will have to endure before the next ceasefire.** The answer depends on decisions being made not in Washington boardrooms, but on the decks of warships in the Persian Gulf.
## Disclaimer
**IMPORTANT:** This article is for informational and educational purposes only and does not constitute financial, investment, or trading advice. The information contained herein is based on publicly available sources and reflects the author’s understanding as of the publication date. Oil prices, geopolitical developments, and market conditions are subject to rapid change. Past performance is not indicative of future results. You should consult with a qualified financial advisor before making any investment decisions. The views expressed in this article are those of the author and do not constitute a recommendation to buy or sell any security or commodity.
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*Published: July 15, 2026*
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**Tags:** oil prices, Iran blockade, Strait of Hormuz, Brent crude, WTI crude, Trump Iran policy, energy markets, gasoline prices, inflation, Middle East conflict, U.S.-Iran war, oil supply disruption, Bab el-Mandeb, shipping chokepoints, crude oil forecast, energy security, Federal Reserve, commodity markets, oil trading, geopolitical risk
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