Iran's Threats Close Strait of Hormuz, Triggering Oil Surge Above $100 Per Barrel
Image: The Voice of Africa

Iran's Threats Close Strait of Hormuz, Triggering Oil Surge Above $100 Per Barrel

09 March, 2026.Finance.3 sources

Key Takeaways

  • Strait of Hormuz closed due to threats from Iran, prompting regional production cuts.
  • Oil prices surged, with reports citing levels near $102 and above $115.
  • Historic supply disruption caused by regional production cuts and energy infrastructure damage.

Oil surge and supply risks

Oil prices spiked above $100 per barrel after threats and attacks tied to Iran and the wider US‑Israel‑Iran conflict disrupted flows through the Strait of Hormuz, producing one of the largest weekly gains in crude in decades.

Oil prices surged Monday as Middle East countries cut production because the Strait of Hormuz remains closed due to threats from Iran, with no sign that the crucial chokepoint will reopen anytime soon

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CNBC reported that U.S. crude jumped about 35% last week — the largest weekly gain in futures trading since at least 1983 — and briefly topped $100 a barrel after markets opened Sunday evening.

Image from CNBC
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The Voice of Africa noted that oil prices surged above $100 per barrel after the US‑Israel‑Iran conflict disrupted energy supplies, with Brent crude briefly hitting $119 and then settling near $110 amid attacks on infrastructure and shipping disruptions in the Strait of Hormuz, which carries about 20% of global oil trade.

La Dépêche described related attacks and interceptions that have raised supply risks, saying Saudi Arabia intercepted several drones on Monday that were heading for the Shaybah oil field in the country’s southeast and that the field had already been attacked the previous day.

Strait of Hormuz disruption

Market participants pointed to an effective closure of the Strait of Hormuz as a key driver: tankers are avoiding the narrow waterway amid fears of Iranian attacks, creating acute supply disruption.

CNBC said "The surge follows a de facto closure of the Strait of Hormuz: tankers are avoiding the narrow waterway amid fears of Iranian attacks, creating what consulting firm Rapidan Energy calls the largest oil supply disruption in history."

Image from La Dépêche
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CNBC said "Roughly 20% of global oil flows through the strait."

The Voice of Africa similarly described "shipping disruptions in the Strait of Hormuz (which carries ~20% of global oil trade)."

La Dépêche linked the violence to broader regional strikes and strikes on storage that "further increase supply risks, according to Mr. Chan."

Gulf oil production cuts

CNBC reported that Kuwait announced precautionary production and refinery cuts but did not give quantities.

CNBC said the UAE is 'carefully managing' offshore output while onshore operations continue.

CNBC said Iraq's three main southern fields have seen production fall about 70% to 1.3 million barrels per day from 4.3 million bpd before the Iran war.

La Dépêche added that the UAE, Kuwait and Iraq have cut output and that Iraq announced a drop of about 3 million barrels per day.

The Voice of Africa noted that Brent briefly hit $119 before settling near $110.

Market reaction to oil

Financial markets and policy watchers reacted fast: Asian stocks fell, European and U.S. futures declined, and analysts warned of inflationary and growth consequences if prices stay elevated.

The Voice of Africa summarized market moves: "Asian stocks fell and European and U.S. futures declined as investors priced in higher energy costs; the IMF warns a sustained 10% oil price rise would add roughly 0.4 percentage points to global inflation and shave ~0.15 points off growth — recent moves of more than 30% could have larger effects."

Image from CNBC
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La Dépêche noted Moody’s caution that a sustained rise "would raise consumer prices and production costs, erode household purchasing power and weigh on investment globally," while CNBC underlined the extraordinary market shock with the "largest weekly gain in futures trading since at least 1983."

Oil shock: market responses

La Dépêche reported "Early signs of strain include China asking refiners to suspend diesel and gasoline exports and reports that Japan is considering tapping strategic reserves."

Image from La Dépêche
La DépêcheLa Dépêche

La Dépêche also reported that "The U.S. may expand a temporary easing of sanctions on Russian oil to help relieve the market after initially authorizing purchases by India."

The Voice of Africa said the shock could "shift investor interest to African projects in Namibia, Senegal and Mozambique; Africa supplies about 7–8% of global oil," and noted how exporters and importers will be differently affected.

CNBC reported that "President Trump posted on Truth Social that higher 'short term oil prices' were a 'very small price to pay' for destroying Iran's nuclear threat," underscoring how geopolitical rhetoric is shaping market perceptions.