Which countries will send warships through the Strait of Hormuz by June 30?

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Market context

The Strait of Hormuz remains one of the world's most strategically contested waterways, with roughly one-fifth of global oil transit passing through its 54-kilometre width annually. Warship transits by non-regional powers remain relatively infrequent despite geopolitical tensions, as most naval operations in the Persian Gulf occur under bilateral arrangements or informal understanding rather than high-profile passages. The current 4% implied probability reflects the baseline rarity of such events over a 19-month window, though the definition's inclusion of military support and cargo vessels broadens the settlement criteria beyond combat ships alone.

Historical precedent suggests transits cluster around specific flashpoints: the 2019 Strait tensions saw increased US Navy operations, whilst European naval missions have periodically passed through without major escalation. Between 2020 and 2024, documented warship transits by non-Gulf Cooperation Council states remained sporadic, typically announced in advance or reported retrospectively by regional monitoring groups. The low probability reflects both the diplomatic sensitivity of such passages and the absence of scheduled, routine transits by most major navies outside the US Fifth Fleet.

Traders should monitor announcements from the US Department of Defense regarding freedom-of-navigation operations, Iranian statements on naval activity, and reports from the International Maritime Organization or regional news outlets covering the Gulf. Any significant escalation in US–Iran tensions, shifts in Saudi or UAE foreign policy, or formal naval deployments would materially alter the probability. Funding rates on prediction markets typically spike around geopolitical announcements; USDC settlement here depends on credible confirmation from military sources or consensus reporting by Reuters, AP, or regional correspondents.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

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

Is this market available outside the US?

BTC Prediction 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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in minutes.