‘No More Mr Nice Guy’: Oil Prices Spike as Trump Renews Iran Power Plant Threats

‘No More Mr Nice Guy’: Oil Prices Spike as Trump Renews Iran Power Plant Threats

City A.M. — Economics
City A.M. — EconomicsApr 20, 2026

Why It Matters

The spike highlights how geopolitical risk can quickly tighten global oil supplies, raising energy costs and inflationary pressure for both consumers and policymakers.

Key Takeaways

  • Brent crude rose >6% to over $96 per barrel.
  • Strait of Hormuz closure stranded >600 million barrels of oil.
  • Trump threatened to target Iran's power plants if deal rejected.
  • Energy stocks lifted FTSE 100 despite broader market dip.
  • Inflation risks rise as oil supply constraints pressure prices.

Pulse Analysis

The latest surge in Brent crude, jumping more than six percent to breach the $96 per barrel threshold, reflects a renewed wave of geopolitical tension in the Middle East. President Donald Trump’s blunt warning on Truth Social—promising to “knock out every single power plant” in Iran if Tehran rejects a U.S. deal—has amplified market anxiety. Simultaneously, Iran’s decision to keep the Strait of Hormuz closed has left an estimated 600 million barrels of oil stranded, tightening global supply and reviving fears of a sharp energy shock that could reverberate across commodity markets.

Equity markets reacted with a mixed signal: the FTSE 100 slipped 0.6 percent at the open, yet energy giants such as Shell and BP posted gains of 2 percent and 3 percent respectively, buoyed by the price rally. Analysts note that higher oil prices are feeding into broader inflationary pressures, a concern echoed by a new Item Club report projecting inflation near double the Bank of England’s 2 percent target this year. With central banks already wary of persistent price spikes, the oil shock could delay any near‑term interest‑rate easing.

Beyond the immediate market jitter, the episode underscores how quickly diplomatic brinkmanship can translate into tangible energy disruptions. If the Strait of Hormuz remains closed beyond the current deadline, shipping insurers may raise premiums, and alternative routes such as the Cape of Good Hope could become cost‑lier, squeezing profit margins for refiners. For U.S. policymakers, the episode also raises questions about the efficacy of hard‑line rhetoric versus multilateral negotiation in stabilizing a region that supplies roughly a fifth of global oil demand. Investors will be watching closely for any de‑escalation signals that could restore supply confidence.

‘No more Mr Nice Guy’: Oil prices spike as Trump renews Iran power plant threats

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