# Iran has responded to US President Donald Trump’s proposed naval blockade of the Strait of Hormuz with a symbolic equation.

*business · news · 2026-04-13 · Business Today*

## Key points

- Iran used the equation f(f(O)) > f(O) to warn of escalating oil price shocks.
- The formula implies second-order effects from a blockade would cause greater price surges than initial shocks.
- Iran's message signals that even limited disruptions in the Strait of Hormuz could trigger global economic instability.
- This mathematical warning reframes the US-Iran conflict as an economic threat, not just a military one.

**Countries:** Iran, United States

[Read the full story on Business Today](https://www.businesstoday.in/world/story/hormuz-flashpoint-irans-ffo-fo-formula-and-what-it-means-for-global-oil-markets-525444-2026-04-13)

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