Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
48% | 52% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
48% | 52% | 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 |
|---|---|
| No Meeting by September 30 | 48% |
| Switzerland | 19% |
| Pakistan | 11% |
| Qatar | 9% |
| Oman | 6% |
| Austria | 1% |
| Turkey | 1% |
| Italy | 1% |
| Other | 1% |
| UAE | 0% |
| Saudi Arabia | 0% |
| Iran | 0% |
| USA | 0% |
| Egypt | 0% |
| Iraq | 0% |
| Kazakhstan | 0% |
| Russia | 0% |
| Other - Middle East/North Africa | 0% |
| Other - Europe | 0% |
Market context
The current round of U.S.-Iran diplomacy has already jumped between Switzerland, Oman, Qatar and Pakistan, which makes the next venue more about the mediator chain than a fixed bilateral habit. Recent reporting has pointed to Geneva, Muscat, Doha and Islamabad at different stages of the talks, with Switzerland most recently hosting the first June 22 round that ended with a roadmap and follow-on technical discussions, while earlier February coverage showed Oman announcing Geneva as the next stop and June reports described talks at Bürgenstock in Switzerland.[2][5][6][9]
That history matters for reading a **45%** crowd-implied price: venue risk is unusually high because the parties have alternated between direct senior-level meetings and indirect, mediator-led sessions, and the location has often been chosen late in the process rather than locked in early.[4][8][11] Comparable rounds have also shown that “next meeting” headlines can shift quickly; Reuters and other outlets reported Doha-based technical talks in early July, while Pakistan and Qatar were repeatedly named as facilitators even when the meeting itself was not there.[7][15] In other words, a mid-range price fits a market where Switzerland has momentum as a recent host, but Oman, Qatar and Pakistan remain credible alternatives.
For traders, the main catalysts are formal venue announcements, mediator readouts, and whether the next round is labelled *senior-level* or downgraded to technical talks. Reuters reported on 1 July that U.S.-Iran talks in Doha had shifted to technical issues, suggesting that the market may only settle on the venue if both sides publicly confirm a fresh in-person senior meeting before 30 September.[15] Any surprise from Oman, a repeat Switzerland session, or a Qatar-hosted round would move the contract fastest; absent that, the market is likely to track whichever mediator is seen as most active in scheduling the next formal meeting.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
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.
- 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.
- 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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