US-Iran Final Nuclear Deal by…?

Platform comparison

Market context

The U.S. and Iran have already moved beyond exploratory contact and into a written framework: multiple reports in mid-June said the two sides signed or were set to sign an initial instrument that opened a 60-day negotiating period on Iran’s nuclear programme and related issues.[15][8][1] That is why the market sits at 0% implied YES — the question is no longer whether talks are happening, but whether a qualifying written diplomatic instrument is mutually adopted in the settlement window.

The main historical comparison is the 2015 nuclear accord process, which showed that even after months of technical progress, final text, signature and implementation can drift far apart. Recent 2026 negotiations also point to a familiar pattern: mediators described “significant progress” and a roadmap, but Reuters and other outlets still noted unresolved details, technical follow-ups and the need for additional rounds before a conclusive deal.[13][4][5] In other words, early framework language is not the same as a final, mutually signed instrument.

For traders, the key catalysts are official confirmations of text, venue and signatories, plus any scheduled technical meetings with the IAEA or mediator-facilitated talks that could turn a draft into a settled document.[4][9][1] Reuters reported in June that a signing ceremony in Europe was being discussed and that a 60-day negotiation period would follow if the deal was signed.[8] Any delay, public denial, or failure to produce a jointly signed or formally adopted instrument by 2026-08-31 would keep the answer at No.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for US-Iran Final Nuclear Deal by…?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

UK Frequently Asked Questions

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When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

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Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

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