Who will sign U.S. x Iran deal?

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Market context

A formal written agreement between the United States and Iran, signed by an official representative of either nation, would represent a significant diplomatic reversal from the current impasse. The Trump administration withdrew from the Joint Comprehensive Plan of Action (JCPOA) in 2018, and subsequent negotiations under the Biden administration failed to restore the accord. Any new deal would need to navigate entrenched congressional opposition, regional security concerns from Gulf allies, and Iran's domestic political constraints ahead of its own electoral cycles.

Historical precedent suggests bilateral U.S.–Iran agreements remain rare but not impossible. The 1981 Algiers Accords resolved the hostage crisis; the 2015 JCPOA itself represented the most substantive accord in decades, though it ultimately proved reversible. The 18% implied probability reflects scepticism about deal completion within the 18-month window, particularly given the structural barriers that have persisted across multiple administrations. Comparable nuclear diplomacy timelines—including the North Korea negotiations and the original JCPOA framework—typically required 2–3 years of sustained engagement.

Traders monitoring this market should track announcements from the State Department, any direct diplomatic channels reopening between Washington and Tehran, and shifts in congressional composition following the 2024 elections. Recent reporting from Reuters and the Financial Times has noted preliminary backchannel discussions, though these remain preliminary and lack official confirmation. Sanctions policy changes, regional military escalations, or statements from key figures like Secretary of State nominees would serve as material catalysts. The settlement deadline of 1 August 2026 leaves limited runway for negotiation, drafting, and ratification—a constraint that should weigh heavily on probability assessment.

Methodology

This page reviews Who will sign U.S. x Iran deal? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Deposit UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Is this market available outside the US?

Polymarket Deposit UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

What does it cost to trade on Polymarket Deposit UK?

Zero. Polymarket Deposit UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

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