Iran agrees to end enrichment of uranium by June 30?

Platform comparison

Market context

Polymarket’s current price implies **0%** for Iran publicly agreeing to end uranium enrichment by 30 June 2026, so the contract is effectively trading as a near-certain **No**. For a hands-on user, that means the market is pricing no qualifying pledge on-chain in USDC on Polygon, with the outcome determined by the conditional token resolving only if a public commitment is made before the deadline.

The best historical read-through is that Iran has repeatedly accepted *limits* on enrichment, not a clean end to it. Under the 2015 JCPOA framework, Tehran agreed to cap enrichment at 3.67%, cut centrifuge numbers sharply, and suspend enrichment at Fordow, but it did not renounce enrichment altogether[1][3][19]. More recent reporting around the 2025–2026 talks has again centred on caps, inspections and temporary suspension rather than permanent cessation, which is consistent with the market’s scepticism that a full end-enrichment pledge will emerge[4][8][13][14].

For traders watching catalysts, the key trigger is any public Iranian statement or text released from the ongoing U.S.-Iran channel that explicitly says enrichment will end, even if framed as a temporary or phased measure, because the market rules count any agreement or pledge before expiry. Reuters reported on 26 June that the IAEA chief said Iran had granted inspectors access, suggesting technical engagement is still active[14], while the UN noted in June that the memorandum allowed up to 60 days for a final deal on enrichment-related issues[4]. Any official communique, leaked draft, or joint announcement that touches enrichment, IAEA access, or sanctions relief is the kind of headline that can move this contract quickly.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Iran agrees to end enrichment of uranium by June 30? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi UK, which mirrors 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

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 Kalshi UK. 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.

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.

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.