Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
73% | 27% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
73% | 27% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 73% |
| August 15 | 61% |
Market context
The market is about whether the United States and Iran will announce a fresh diplomatic agreement on traffic through the Strait of Hormuz before the deadline. The crowd’s 59% Yes implies traders think a formalisation is more likely than a breakdown, but the wording matters: this does not appear to be a vote on whether ships merely keep moving, but on whether an official agreement or substantially similar instrument is announced.
Recent history gives this contract a mixed read. The U.S. and Iran already signed a memorandum of understanding in June that set out a 60-day framework for reopening the strait and easing some sanctions, and Reuters reported on 1 July that subsequent talks in Doha still left the broader deal unsettled, with negotiators focusing on maritime traffic and financial incentives rather than the harder unresolved issues.[10][5] That makes the current price easier to understand: there is precedent for a deal being announced, but also evidence that the implementation and final wording have remained fluid, with coverage in early August saying negotiations via Oman were in their “final stages”.[7]
The main catalysts to watch are official statements from Tehran, Washington and Omani mediators, plus any published text or signing ceremony that would clearly meet the market definition. Reuters has already framed the talks as revolving around the reopening of shipping and the terms attached to it, while Al Jazeera reported that Iranian officials said discussions with Oman were close to being finalised and centred on a new maritime route through Hormuz.[5][7] Traders should also watch whether sanctions waivers, implementation notes, or naval de-escalation measures are announced alongside the diplomacy, because those are the kind of concrete commitments that would turn rhetoric into a qualifying agreement.[1][8]
Methodology
Sports-specific comparison page for US-Iran Hormuz Agreement by 2026?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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