Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
61% | 39% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
61% | 39% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| No Meeting by September 30 | 61% |
| Switzerland | 14% |
| Pakistan | 11% |
| Qatar | 8% |
| Oman | 5% |
| Austria | 1% |
| Turkey | 1% |
| Other | 1% |
| UAE | 0% |
| Saudi Arabia | 0% |
| Iran | 0% |
| USA | 0% |
| Egypt | 0% |
| Italy | 0% |
| Iraq | 0% |
| Kazakhstan | 0% |
| Russia | 0% |
| Other - Middle East/North Africa | 0% |
| Other - Europe | 0% |
Market context
Polymarket is pricing this venue contract at **48% YES**, which on-chain means traders are valuing a roughly even chance that the next qualifying senior-level U.S.-Iran round begins somewhere other than the market’s implied alternative. Because the market settles on the country where the meeting *starts*, the practical question is not whether talks happen, but where the first in-person or formally convened round is launched on Polygon using USDC and conditional tokens.
Recent rounds have bounced between neutral hosts rather than fixed capitals, and that matters for reading a 48% price. Earlier venue changes included Muscat, Rome and Geneva, with Oman and Qatar repeatedly acting as intermediaries, while June reporting said the first Switzerland round produced a roadmap and follow-on technical talks. Reuters also reported in June that preparations for Swiss technical talks were already advanced, even as schedules shifted quickly after ceasefire and security developments.[1][6][12]
For traders, the key catalysts are venue announcements from the White House, Iran’s foreign ministry, and mediators such as Oman, Qatar or Pakistan, plus any report that a “high-level” or “senior-level” round has been set. Al Jazeera and other outlets reported Switzerland for June talks, while later reporting pointed to Doha, Islamabad and other possibilities for subsequent rounds, showing how fast the location can change once technical work is complete.[3][4][8][9][14] The market will be sensitive to whether a meeting is described as direct or indirect, and to whether the first senior session is framed as a continuation of technical negotiations or a fresh round with a new host country.[10][15]
Methodology
We track Where will the next next round of US-Iran peace talks be 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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