Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
2% | 98% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
2% | 98% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 15 | 2% |
| June 26 | 0% |
| June 30 | 0% |
| July 31 | 0% |
| July 7 | 0% |
| July 10 | 0% |
| July 17 | 0% |
| July 24 | 0% |
Market context
Polymarket currently has this contract at **0% YES**, which implies traders see no credible path to an official Iranian announcement that it is walking away from the MOU talks before settlement. For Polymarket users, the relevant object is not the ceasefire itself but the conditional token outcome on Polygon: a **public, official termination of participation** in the final-agreement negotiations, with settlement in USDC if the oracle rules the event occurred.
The closest historical analogue is not the broader Iran–US confrontation, but earlier rounds where Tehran used hard language, paused sessions, or suspended implementation without formally exiting negotiations. Reuters reported on 28 June that Iran skipped technical talks after recent attacks and unmet conditions, yet that still fell short of a definitive withdrawal announcement.[6] The market description also notes that the 60-day framework is extendable by mutual consent, which gives both sides procedural room to stall or reset without triggering a “Yes” under the wording.[4] That distinction matters because a threat to halt talks, or even a temporary boycott, is not enough unless the government publicly and officially ends participation.[1][3]
Traders should watch for three catalyst types: formal statements from the Foreign Ministry or Supreme Leader’s office, a cancellation of scheduled working-group sessions in Switzerland, Doha, or elsewhere, and any mediated move by Qatar or Pakistan that changes the sequencing of sanctions relief, asset releases, or Lebanon-linked clauses.[1][2][8] Reuters has already shown that the process is sensitive to immediate security shocks and implementation disputes, so fresh strikes, naval incidents, or a hardening of the US position could matter more than routine diplomatic rhetoric.[6][13] On Polymarket, the price should react most sharply only if Iran uses unmistakable language such as terminating talks, ending participation, or withdrawing from negotiations altogether.
Methodology
We track Iran announces withdrawal from MOU negotiations by 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- 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 PolyGram. 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.
- 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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