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Trump tells Iran it has 48 hours to open Hormuz or US will ‘obliterate’ its power plants

US president threatens to take out Iranian energy facilities – ‘starting with the biggest one first’ – if Tehran does not reopen the straitMiddle East crisis live – latest updatesDonald Trump has given Iran 48 hours to reopen the strait of Hormuz to shipping or face the destruction of its energy infrastructure, as Tehran launched its most destructive attack yet on Israel.The ultimatum, made just a day after the US president said he was considering “winding down” military operations after three weeks of war, came as the key oil passage remained effectively closed and thousands more US Marines headed to the Middle East. Continue reading...

Mar 22, 2026 &03122222202631; 05:12 UTC www.theguardian.com

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Negative for markets

Sentiment score: -60/100

High impact Immediate effect (hours)

WHAT THIS MEANS

The threat from US President Trump to Iran over the Strait of Hormuz could escalate Middle East tensions, potentially disrupting global oil supplies and driving up energy prices in the short term. This may lead to increased market volatility and a risk-off sentiment among investors, although the actual impact depends on whether the ultimatum results in action. Overall, while oil-related assets might see gains, broader equities could face downward pressure due to geopolitical uncertainties.

AI CONFIDENCE

65% High

SENTIMENT GAUGE

NEWS POWER SCORE

AFFECTED ASSETS

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Oil (WTI Crude)

CL=FCommodity

Expected to rise

Potential closure of the Strait of Hormuz could disrupt oil supplies, leading to higher crude prices amid heightened geopolitical risks.

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S&P 500

^GSPCIndex

Expected to decline

Escalating tensions may trigger a risk-averse market response, causing sell-offs in US stocks as investors worry about broader economic impacts.

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Euro / US Dollar

EURUSDCurrency

Expected to decline

The US dollar could strengthen as a safe-haven currency in response to geopolitical threats, putting pressure on the euro.

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FTSE MIB (Italy)

FTSEMIB.MIIndex

High volatility expected

As an EU-related index, it may experience volatility due to the proximity of the conflict and potential effects on European energy imports.

PRICE HISTORY

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⚡ SUGGESTED ACTION

Investors should consider hedging with oil futures or options to capitalize on potential price surges, but reduce exposure to global equities and riskier assets to mitigate downside risks from immediate volatility.

KEY SIGNALS

Geopolitical escalation in Middle EastThreat to oil supply routes

SECTORS INVOLVED

EnergyCommodities

Analysis generated on Mar 22, 2026 at 20:09 UTC

Disclaimer: This analysis is generated by artificial intelligence for informational purposes only and does not constitute financial advice, investment recommendation, or solicitation. Original reporting by The Guardian Business. Always conduct your own research and consult a qualified financial advisor before making investment decisions.

Trump tells Iran it has 48 hours to open Hormuz or US will ‘obliterate’ its power plants

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