Iran agrees to end enrichment of uranium by July 31?

Platform comparison

Market context

Iran would need to make a public commitment to stop all uranium enrichment by the end of July, and the current 72% implied probability is already higher than the tone of much of the external commentary. Reuters reported on 14 June that a draft US deal discussed a nuclear-limits package with an oil sanctions waiver, while saying Iran would, *pending a final agreement*, keep the current status of its programme and refrain from further enrichment rather than end enrichment outright[8]. That distinction matters for this contract, because any agreement to pause, cap, or delay enrichment is not enough unless Tehran publicly agrees to end it altogether.

The closest historical comparison is the long run of Iran nuclear negotiations, where narrow technical restraints have been more common than a full surrender of enrichment. The JCPOA constrained enrichment to 3.67%, but Iran later exceeded those limits and expanded higher-grade output after the deal collapsed[6][7]. The IAEA and Arms Control Association both describe Iran’s enrichment capacity as advanced and politically central, with large stocks of 60% material and enrichment treated as a core bargaining issue rather than a side issue[2][4]. That backdrop makes a clean “zero enrichment” pledge materially harder than a temporary suspension, so the market’s price is meaningfully more optimistic than the historical pattern suggests.

Traders should watch for any signed text, joint statement, or Iranian state-media readout before the deadline, plus whether talks produce a framework first and a detailed implementation process later. BBC reporting on 18 June said the expected package looked more like a 60-day framework process than a final nuclear settlement, and that analysts expected Iran to press for sanctions relief and access to frozen assets in return[3]. Reuters’ 14 June report also leaves room for a narrower interpretation of the talks, which creates a gap between sportsbook-style certainty on a headline accord and the prediction market’s stricter resolution standard[8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Iran agrees to end enrichment of uranium by July 31? 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 Best Prediction Markets UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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.

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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.