Iran successfully targets shipping on 2026?

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Market context

Iranian forces have repeatedly blocked the Strait of Hormuz and boarded merchant vessels since a US-Israel air war began in February 2026, creating a dual blockade where Iran restricts Gulf shipping while the US Navy prevents vessels from entering or exiting the strait[3]. This history of kinetic aggression, including the seizure of US naval boats in 2016 and the boarding of commercial ships in 2026, frames the current 4% crowd-implied probability as a conservative baseline rather than an outlier[3][8]. For a power-user evaluating conditional orders, the market’s low probability reflects the distinction between proxy actions by Houthis and explicit IRGC claims, which are the only actions that resolve this market to "Yes"[1].

Traders should monitor IRGC announcements forbidding passage and any new sea mine deployments, as these signal an imminent escalation toward seizing commercial ships[3]. A recent report from UANI confirms Iran continues hostile actions against international commercial vessels and has taken ships hostage to extract concessions, making such announcements critical catalysts for programmatic entry[1]. The settlement window ending in July 2026 aligns with the ongoing blockade, meaning traders must watch for shifts in the US-Israel ceasefire or renewed US naval pressure that could alter Iran’s willingness to target shipping directly[3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Iran successfully targets shipping on 2026? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.