Strait of Hormuz traffic returns to normal by August 31?

Platform comparison

Market context

The Strait of Hormuz remains effectively closed to commercial shipping, with zero verified outbound tankers moving through the choke point for over 72 hours as of late June 2026. This operational stall, driven by the ongoing Iran war and US naval blockade, has reduced the daily flow of 20 million barrels to a mere trickle of one million, creating a severe bottleneck that has surged global oil prices by over 30% since March.

Historical precedents suggest such near-total halts are rarely sustained without diplomatic intervention, yet the current 20% implied probability reflects deep scepticism about a return to the 60-vessel threshold by August. Previous closures, such as the 97% traffic decline in early 2026 following the February 28 attack, saw rapid rebounds only after specific ceasefire deals were signed; however, with peace negotiations stalled and President Trump declaring the strait’s reopening a prerequisite for any agreement, the divergence between sportsbook optimism and prediction-market caution highlights the lack of a credible catalyst for immediate normalisation.

Traders must monitor the status of the US-Israeli naval blockade and any sudden shifts in Iran’s assault tactics on vessels, as these are the primary dependencies for reopening. Recent reports from NBC News confirm that minimal progress has been made in negotiations, while MarineTraffic data indicates that some ships are altering GPS tracking to bypass the zone, meaning official counts may understate actual activity. A breakthrough would likely require a formal announcement from the IMF PortWatch or a direct deal between Washington and Tehran, neither of which appears imminent given the current geopolitical deadlock.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Strait of Hormuz traffic returns to normal by August 31? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.