Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 0% |
| August 15 | 0% |
Market context
The Strait of Hormuz still matters because this market settles on whether IMF Portwatch’s seven-day average of transit calls reaches **60 or more**, a level that is close to the pre-war “normal” flow and far above recent readings. Reuters reported traffic at just seven ships in 24 hours in early April, around six ships a day at the end of April, and only three commodity vessels on 17 July, while Bloomberg, CNBC and other trackers have repeatedly shown traffic running far below historical levels.[2][3][11][15][14] That makes the current **8% YES** crowd price look low, but not absurdly so for a binary that requires a sustained return to near-peacetime volumes rather than a short-lived bounce.
The historical comparison is that Hormuz traffic has proved able to rise after diplomatic or security improvements, yet repeatedly failed to stabilise at normal levels. Reuters noted a sharp but incomplete uptick in late June, the Strait Times said flows were roughly half peacetime levels on 25 June, and Reuters again reported a two-month low in tanker traffic on 13 July after renewed strikes raised safety fears.[4][7][13] By contrast, one CNBC tracker said only 21 tankers had crossed since the war began in late February, underscoring how far the route remained from the hundred-plus daily passages seen before the conflict.[15]
For catalysts, traders should watch whether the U.S.-Iran framework holds, whether mine-clearing and route-security measures progress, and whether vessels continue to avoid the strait or are rerouted through more permissive corridors. Reuters and the New York Times both cited reopening terms tied to a 60-day negotiation phase and “technical and military challenges”, which means any single diplomatic headline can move near-term odds, but the settlement test depends on sustained Portwatch data rather than announcements alone.[5][6] The main divergence across venues is that sportsbook-style commentary has tended to be more aggressive on a late-year recovery, while the prediction-market price remains much lower than analyst language suggesting traffic is still “well below” normal.[16][10][13]
Methodology
This page reviews Strait of Hormuz traffic returns to normal by 2026? 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 Kalshi vs Polymarket, which mirrors the Polymarket order book at 0% fees.
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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket 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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