Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Market context
Normal shipping through the Strait of Hormuz remains stalled, with daily transits for non-Iranian vessels hovering in single digits against a pre-crisis average exceeding 150 ships[3]. The crowd-implied probability of just 1% for a return to normalcy by July 31 reflects this severe bottleneck, positioning the “No” outcome as the overwhelming favourite. Historical data from the post-ceasefire period in April 2026 shows that even after a US-Iran agreement, traffic recovered to only 45 ships total over weeks, far below the 60-vessel daily threshold required for this market[4]. While a June memorandum of understanding triggered a temporary spike to roughly 42 crossings, analysts describe this as a low-level rebound rather than genuine normalization, with traffic still at only a quarter of peacetime levels[8].
Traders should monitor the expiry of Iran’s 60-day toll-free passage arrangement, which was set to end in mid-August 2026, potentially allowing Tehran to reinstate fees and suppress volumes again[7]. The primary catalyst is whether the ongoing 60-day negotiation phase between Washington and Tehran yields a binding framework to clear mines and remove asymmetric threats like drones and missiles that keep the chokepoint effectively closed[2][7]. Recent WTO data confirms that the memorandum of understanding has not yet driven a broad recovery, suggesting the 1% price may actually lack value if the consensus assumes a swift rebound[1]. Any sudden announcement regarding mine-clearing operations or a permanent fee waiver would be the only credible signal to challenge the current bearish consensus.
Methodology
This page reviews Strait of Hormuz traffic returns to normal by July 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 Who Will Win, 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
- 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 Who Will Win. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 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 Who Will Win trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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.
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