US-Iran Final Nuclear Deal by…?

Platform comparison

Market context

The market is pricing a written US-Iran **final nuclear deal** as still effectively out of reach, even after June’s framework and 60-day negotiating lane. Reuters reported that negotiators had agreed a memorandum of understanding but that the text was not yet finalised and still needed approval, while later reporting said the deal was “very close” but not signed; that leaves a clear gap between a preliminary framework and the qualifying instrument this market requires.[11][15]

Historically, the main comparison is with the 2015 JCPOA, which took months of technical bargaining after political agreement, whereas the current process began with a ceasefire-linked roadmap and repeated rounds of indirect talks. That makes a 0% crowd-implied probability understandable if traders are anchoring to the usual delay between principles, drafts and signature, but it is still a notably harsher read than some headline commentary suggesting progress. Recent reporting from Al Jazeera, the BBC and Reuters has repeatedly described “encouraging”, “significant” or “very close” talks, yet none of those updates show a fully adopted final instrument.[1][14][15]

For traders, the key catalysts are whether both sides announce a signed text, whether Washington formally waives sanctions or Tehran accepts expanded inspections, and whether the technical negotiations produce an agreed draft before the deadline. June coverage said the roadmap was for further talks over the next 60 days, and later reports linked progress to inspector access, sanctions relief and maritime conditions; any slippage on those dependencies would keep the market in No territory despite diplomatic momentum.[1][7][13]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track US-Iran Final Nuclear Deal by…? 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

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 Best Prediction Markets. 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.

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 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.