Strait of Hormuz traffic returns to normal by end of May?

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Market context

The Strait of Hormuz, through which roughly one-fifth of global seaborne oil passes, has experienced sustained traffic disruption since late 2023 following Houthi attacks on commercial vessels and subsequent regional tensions. A return to "normal" operations—defined here as a 7-day moving average of 60 or more daily transit calls across all cargo types—would require not merely a ceasefire but a sustained period of merchant confidence sufficient to restore pre-disruption routing patterns. Current IMF Portwatch data shows transit calls well below historical norms, with the 7-day average hovering in the 20–40 range depending on seasonal and geopolitical fluctuations.

Historical precedent offers limited comfort to YES traders. The 2022 Russia–Ukraine blockade of Black Sea grain exports took eight months to partially resolve through corridor agreements, and even then full normalisation never materialised. The 1980–88 Iran–Iraq War saw Hormuz traffic collapse for years. Recovery typically requires not just a pause in hostilities but explicit security guarantees, insurance rate reductions, and rerouting infrastructure investment to reverse course—all slow processes. The 1% crowd probability reflects this structural inertia: absent a dramatic geopolitical shift or direct US–Iran de-escalation accord, the 18-month window to May 2026 appears insufficient for sustained 60+ daily calls.

Traders should monitor Houthi attack frequency (tracked via UKMTO incident reports), Iranian nuclear negotiations, and US Navy escort operations in the region. Any announcement of a formal ceasefire, sanctions relief, or international shipping corridor agreement would be immediate catalysts. Insurance premiums for Hormuz transits and spot LNG prices also serve as real-time proxies for merchant risk appetite; a sustained drop in war-risk premiums would precede any IMF Portwatch recovery.

Methodology

This page reads Strait of Hormuz traffic returns to normal by end of May? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

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On BTC Prediction, 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.

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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.

How fast are USDC deposits?

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