PARIS — Oil prices just broke $118 — and this time, it's not about the market. It's about a chokepoint that controls the global economy.

What's happening

• Brent crude surged 7.2% to $118.40 per barrel Friday

• Iran threatened Strait of Hormuz closure amid renewed US sanctions

• Energy markets pricing in 21% supply risk through world's busiest oil transit route

Why it matters

• European diesel prices up 12% this week alone

• Global shipping costs spiking as insurers reassess Persian Gulf risks

• Central banks face renewed inflation pressure just as growth slows

⬇ Full breakdown below

Background

The Strait of Hormuz crisis isn't new — but Trump's approach is. Unlike Biden's diplomatic overtures, the current administration has reimposed what Secretary of State Marco Rubio calls "maximum economic pressure" on Tehran. Iran's response has been swift and predictable: threaten the 21-mile-wide waterway that carries one-fifth of the world's oil.

Here's what most people are missing: this isn't just saber-rattling.

"Iran has demonstrated technical capability to disrupt Hormuz transit multiple times since 2019," says energy analyst Sarah Chen at Oxford Institute for Energy Studies. "The difference now is economic desperation under renewed sanctions."

What Happened

Tehran's latest threat came Thursday through Revolutionary Guard commanders, who warned of "decisive action" if oil sanctions tighten further. Markets responded immediately, with European energy futures leading the surge as traders remembered 2019's tanker attacks.

The timing isn't coincidental. Trump administration officials have signaled new sanctions targeting Iran's remaining oil customers, including China. That would squeeze Tehran's last major revenue source — exactly when domestic economic pressure is mounting.

And this is where it gets dangerous: Iran has little left to lose.

Regional Implications

The ripple effects extend far beyond energy markets. European governments are already facing political pressure over rising fuel costs, while developing nations confront a double hit of higher oil import bills and stronger dollar.

"This creates a perfect storm for global inflation just as central banks thought they had it under control," warns former Federal Reserve economist David Martinez. "Energy price shocks have historically preceded every major recession since 1973."

But this is only part of the story. Insurance costs for Persian Gulf shipping have tripled this week, forcing some carriers to seek alternative routes around Africa — adding two weeks and significant costs to Asian deliveries.

What Comes Next

Markets are betting on three scenarios: diplomatic de-escalation, limited military engagement, or full Strait closure. Each carries different price implications, but none look particularly optimistic for consumers.

The real test hasn't even begun yet. If Trump follows through on promised sanctions against Chinese oil imports from Iran, Beijing faces a choice between economic compliance and energy security. That's not a choice any major power makes lightly.

Here's what happens next — and it's not pretty: either Iran backs down under maximum pressure, risking domestic unrest, or escalates through the only leverage it has left. Neither option leads to lower energy prices.

The global economy now hangs on a 21-mile-wide strip of water that Iran considers its sovereign backyard. And if Tehran decides to test Trump's resolve, this won't stay a regional crisis.

Read more about how previous Strait of Hormuz tensions have shaped global energy markets and geopolitical strategy.