US-Iran Final Nuclear Deal by…?

Platform comparison

Active sub-markets

Market context

The immediate backdrop is a written U.S.-Iran framework announced in mid-June 2026 that started a 60-day negotiating period over Iran’s nuclear programme, sanctions relief and related security issues. AP reported that the arrangement was finalised on 17 June and that it set out a timetable for further talks, while the UN atomic agency said technical work could begin after the initial memorandum was signed.[1][3]

For a market priced at 1%, the main historical reference is the 2015 JCPOA: it was a full, multi-party nuclear accord with detailed limits, inspections and sanctions relief, but it also took months of negotiation and was politically fragile even after signature.[5] That matters because the current event is narrower and more contingent: it is a bilateral written instrument, not a settled long-term regime, and the market only needs a qualifying signed or adopted document by 31 August 2026. The low implied probability therefore reflects both the difficulty of bridging nuclear, sanctions and regional-security demands and the fact that previous U.S.-Iran understandings have often been interim or reversible rather than final.[2][5][6]

Traders should watch for formal signing language, an announced venue or date for follow-on rounds, and any public confirmation from both governments that the memorandum has been adopted in the required written form. Newsflow on inspector access, uranium stockpile handling, and sanctions implementation is especially relevant because those are the points most likely to delay or unravel a final instrument.[1][3] On accessibility, a market like this is typically more straightforward to reach from a compliance angle where a venue allows *no-KYC up to $1,500* in small-volume use, but German GlüStV treatment can still restrict or complicate access for residents, and the US CFTC’s broad reach remains relevant wherever derivatives-style event contracts are viewed as falling under its jurisdiction.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track US-Iran Final Nuclear Deal by…? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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?

On Polymarket Legal UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Legal UK triggers a quick verification flow that finishes in 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.