Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
3% | 97% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
3% | 97% | 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 15 | 3% |
| June 26 | 0% |
| June 30 | 0% |
| July 31 | 0% |
| July 7 | 0% |
| July 10 | 0% |
| July 17 | 0% |
| July 24 | 0% |
Market context
Iran’s position matters here because the June MOU was designed as a 60-day bridge from ceasefire to a final accord, so any official break from negotiations would be a clear market-moving event rather than routine rhetoric.[1][16][17] The current crowd-implied probability is 0% YES, which is notably lower than the on-the-ground signalling in July: Iranian officials said they had no plans to return to talks while US commitments were being violated, and state-linked reporting said Tehran no longer considered itself bound by the MOU.[5][10] Reuters also reported that Iran skipped scheduled technical talks on 28 June because of recent attacks and unmet conditions, which is the sort of operational disruption traders usually watch for before a formal withdrawal announcement.[9]
Comparable cases suggest the market is likely pricing form, not just substance. In past Iran–US negotiations, withdrawals have often been signalled indirectly first through cancelled sessions, demands for preconditions, and public blame over compliance, rather than one clean terminating statement; that makes a binary “announcement” contract vulnerable to timing and wording risk.[6][18] Reuters reported on 8 July that President Trump said the interim accord was “over”, but this is not enough for settlement unless Tehran, or an authorised Iranian representative, publicly and officially terminates Iran’s participation.[6] That distinction helps explain why sportsbook-style prices, prediction-market pricing, and analyst commentary can diverge sharply: the broader diplomacy looks strained, yet the contract requires a very specific Iranian act.
Traders should watch for any Tehran briefing, foreign-ministry statement, or comments from the deputy foreign minister or Supreme Leader’s office, especially if tied to new US military action or another missed technical meeting.[5][9][10] The key dependency is whether Iran frames non-participation as a temporary suspension, a refusal to request talks, or an outright termination of the MOU process; only the last of those is settlement-relevant. Because the window runs to 31 July, any renewed mediation, announced schedule for final-agreement talks, or language from Iran saying it remains at the table would keep the contract on the “No” side, even if tensions stay high.[1][8][12]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets UK, which mirrors the Polymarket order book directly.
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.
UK Frequently Asked Questions
- 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.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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