‘f(f(O))>f(O)’: Iran mocks US as Hormuz tensions push oil above USD 100

Oil markets rally as Iran mocks US with a ‘mathematical warning’ over Hormuz disruption. Prices surge past $100 per barrel

PGurus Newsdesk

April 13, 2026

Strait of Hormuz tensions escalate as US announces blockade. Iran warns of compounding fuel price hikes globally

Iran’s ‘mathematical warning’ to US as Hormuz blockade tensions escalate

Iran’s Parliament Speaker Mohammad Bagher Ghalibaf took a swipe at Donald Trump, warning of rising fuel prices in the United States amid escalating tensions over a proposed blockade in the Strait of Hormuz.

In a post on X, Ghalibaf mocked Washington’s stance by sharing current US petrol prices near the White House, cautioning Americans that they “will miss them” soon if the blockade proceeds.

Adding a symbolic twist, he posted the equation:

ΔO_BSOH>0 ⇒ f(f(O))>f(O)

The expression, widely interpreted online, suggests that increasing disruption in the Strait of Hormuz could trigger a compounding surge in oil prices rather than a linear rise.

Enjoy the current pump figures. With the so-called ‘blockade’, Soon you’ll be nostalgic for $4–$5 gas.
ΔO_BSOH>0 ⇒ f(f(O))>f(O) pic.twitter.com/rVxlC6vFWG
— محمدباقر قالیباف | MB Ghalibaf (@mb_ghalibaf) April 12, 2026

The remarks came after the US Central Command (CENTCOM) announced plans to enforce a maritime blockade on vessels entering or leaving Iranian ports. The measure is expected to take effect Monday evening (Iran time), targeting traffic across the Arabian Gulf and Gulf of Oman, while allowing transit between non-Iranian ports.

Trump had earlier warned that the US Navy would act swiftly after ceasefire talks between Washington and Tehran—reportedly mediated in Pakistan—failed to produce an agreement.

Oil markets react

Global oil markets responded sharply to the escalation. The US benchmark West Texas Intermediate rose over 8% to cross $104 per barrel, while Brent crude climbed above $102.

Asian equities showed volatility, with indices in South Korea and Japan slipping in early trade before partially recovering.

The Strait of Hormuz—through which a significant share of global oil supply passes—remains a critical flashpoint, and any prolonged disruption could have cascading effects on global energy prices and inflation.

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