Iran closes Strait of Hormuz, threatens action if provoked

Iran’s navy commander Shahram Irani announced the closure of the Strait of Hormuz, threatening operational action if provoked. The odds of Donald Trump announcing a blockade lift by May 31 are at 43.5% YES, down from 60% yesterday.

Market reaction

Irani’s statement drove a 16.5-point drop in the Hormuz blockade lift market. Traders are pricing in a longer blockade. Daily volume is at $134,629 in USDC, with $17,388 needed to move the market 5 points, which means decent liquidity but room for sharp swings.

Why it matters

The closure announcement makes a quick resolution less likely. The US invasion of Iran market could face upward pressure too, since naval confrontations in the strait have a history of escalating. Those odds remain low but would move fast if Iran follows through with operational action.

What to watch

At 43.5¢, a YES share on the blockade lift pays $1 if resolved, a 2.3x return. But with Iran explicitly threatening action, that bet requires confidence in a diplomatic off-ramp that doesn’t currently exist. Watch for statements from the White House or CENTCOM in the coming days. Any sign of diplomatic progress or further military escalation will move these odds.

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