Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 15 | 1% |
| June 26 | 0% |
| June 30 | 0% |
| July 31 | 0% |
| July 7 | 0% |
| July 10 | 0% |
| July 17 | 0% |
| July 24 | 0% |
Market context
On 14 June 2026, the United States and Iran announced a memorandum of understanding to halt immediate conflict and establish a 60-day negotiating window for a comprehensive final agreement. This market resolves affirmatively only if Iran's government or an authorised representative makes a public, official announcement withdrawing from those negotiations before 31 July 2026. The 0% crowd probability reflects confidence that Iran will not formally exit the process within this compressed timeframe, though the underlying geopolitical volatility remains substantial.
Historical precedent suggests Iranian negotiating behaviour typically involves extended posturing rather than abrupt withdrawal. The 2015 Joint Comprehensive Plan of Action saw Iran remain engaged through multiple rounds of technical disputes and political pressure over two years of formal talks. Even during periods of heightened US-Iran tension, Iranian officials have historically preferred to signal discontent through conditional demands or procedural objections rather than categorical exit announcements. The 60-day window here is notably shorter than previous frameworks, potentially reducing opportunity for the drawn-out diplomatic cycles that have characterised past negotiations.
Traders should monitor statements from Iran's Foreign Ministry and Supreme Leader's office for any hardline rhetoric signalling preconditions for continued talks. The scheduled end of the initial 60-day period on approximately 13 August 2026 sits beyond this market's settlement date, meaning any withdrawal announcement must occur during the active negotiation phase. Domestic Iranian political pressure from conservative factions opposing engagement with the US could accelerate withdrawal rhetoric, though formal announcement remains distinct from preliminary posturing.
Methodology
Sports-specific comparison page for Iran announces withdrawal from MOU negotiations 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.
UK Frequently Asked Questions
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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