Trump renames Strait of Hormuz to "Strait of Trump" by May 31?

Platform comparison

Market context

The event would require Donald Trump to publicly announce that the United States will officially use a new name for the Strait of Hormuz, a major shipping lane linking the Gulf to the Arabian Sea. With the market at about 1% yes, the crowd is pricing this as a highly unusual naming move rather than a routine foreign-policy statement. Similar renaming wagers have generally only moved when there is an explicit official statement or a clearly leaked draft, and absent that kind of evidence the contract tends to sit near zero even when the subject is politically noisy.

There is little historical precedent for the US government officially rechristening a foreign strait by presidential fiat, which is why analyst-style consensus is effectively that the most likely outcome remains no. The closest comparables are symbolic naming disputes, executive-branch labels, and occasional White House messaging changes, but those typically concern domestic places or informal usage rather than international hydrography. Cross-platform pricing appears similarly depressed: Polymarket’s public Strait of Hormuz page shows the broader theme trading across multiple live contracts, while the specific “Trump” rename line is not drawing anything like the attention of larger geopolitics markets. A Binance Square post citing Odaily reported a separate Polymarket listing on a similar renaming idea at around 6% yes earlier in the week, underlining how quickly speculative odds can diverge from the contract’s actual settlement bar.

Traders should watch for any Trump remarks, White House briefings, or official documents that use the proposed name before the May 31 deadline, as well as any travel or foreign-policy scheduling that could produce a headline moment. The main dependency is not regional events in the Gulf but whether the administration chooses to make a deliberate naming announcement at all. In the absence of an on-the-record statement, credible reporting alone would need to converge on a clear official change for the market to move materially.

Sources: 1 · 2 · 3

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

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Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on PolyGram?

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