Will 2026 ships transit the Strait of Hormuz on any day by July 31?

Platform comparison

Market context

Ships are currently failing to move outbound through the Strait of Hormuz, creating a severe bottleneck that has halted commercial maritime traffic for over 72 hours. As of early June 23, 2026, zero crude oil tankers were underway or had completed an outbound journey through this critical choke point, underscoring an alarming absence of live transits[1]. This real-world stagnation contrasts sharply with the 45% YES implied probability on the prediction market, which suggests a near-even chance that transit calls will rebound to the listed threshold by July 31, 2026.

Historical precedents frame this probability as fragile; the strait previously saw a sharp traffic drop after a commercial ship was hit, yet volumes recovered to 25 vessels on a single Thursday following a US-Iran agreement finalized on June 17[2]. That accord guarantees commercial navigation will commence immediately, with the US required to lift its naval blockade of Iranian ports by July 19, while Iran is anticipated to restore traffic to pre-war levels within the same timeframe[2]. Traders must watch the July 19 blockade deadline as the primary catalyst, alongside any announcements regarding the 60-day toll exemption that may eventually allow Iran to impose fees[2]. Divergence exists between sportsbook lines, which often lag on geopolitical specifics, and the prediction market’s faster reaction to the imminent US naval withdrawal, creating a meaningful odds-comparison opportunity for cross-platform arbitrage.

The market’s 45% probability hinges on the IMF Portwatch data finalising correctly after the next date’s point becomes available, a dependency that remains untested during this current bottleneck[4]. Recent marine intelligence from AXSMarine confirms that 25 commercial vessels traversed the strait recently, marking the highest volume since April, yet this surge remains precarious given the ongoing restrictions[2]. Analyst consensus leans cautiously optimistic due to the June 17 agreement, but the live absence of tankers suggests the recovery may be slower than the market implies, warranting close monitoring of the July 19 deadline for definitive confirmation of traffic restoration[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Will 2026 ships transit the Strait of Hormuz on any day by July 31? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.