Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
63% | 37% | 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 63% |
| August 15 | 30% |
Market context
Iran and Oman are still trying to turn a provisional understanding on Strait of Hormuz traffic into a formal diplomatic instrument, with Tehran saying the deal is in the final stages and that a joint statement is being drafted. Reuters reported on 8 August that Iranian officials said the agreement is close but that reopening the waterway fully would still depend on outside conditions, including US-linked concessions, which matters because the market resolves only if an official agreement is announced, not merely if talks continue.[13][8]
The current 32% implied probability fits a pattern of markets discounting near-term diplomatic headlines until wording is nailed down. Similar cases in the region have often moved from “close” to “signed” only after governments settle who administers the mechanism, what fees apply, and whether third parties can block implementation; Reuters’ June report already showed a joint working group and wider consultations were needed, while late-July reporting showed Iran rejecting Oman’s broader regional-management concept before returning to bilateral talks.[4][15][16]
The key catalyst is a formal announcement from Tehran or Muscat, especially a joint statement, ministerial readout, or signed memorandum that explicitly sets out shipping obligations or route-management rules for the strait. Traders should watch for confirmation through official foreign-ministry channels and for any language on transit fees, lane control, or a 60-day interim framework, since Reuters and Bloomberg both indicated the talks were moving towards an agreed route but had not yet cleared the final drafting stage.[8][12] If no official text appears, headlines about “principle” or “near completion” are unlikely to be enough on their own.[13]
Methodology
This page tracks Iran-Oman Hormuz Management Agreement by 2026? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
UK Frequently Asked Questions
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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