Iran agrees to end enrichment of uranium by June 30?

Platform comparison

Market context

Iran agreeing to end all uranium enrichment by 30 June is a **coin-flip-ish underdog** at the current **46% implied probability**, with the market slightly leaning to a deal but far from pricing a clean surrender on enrichment. The consensus read is that any U.S.-Iran understanding is more likely to involve dilution, caps, inspections or phased limits than a categorical end to enrichment, so the value is in asking whether the wording can be made broad enough to count without requiring Iran to abandon its nuclear fuel cycle entirely.[2][7]

Historically, that scepticism makes sense. Under the JCPOA, Iran accepted tight limits on enrichment, but not a permanent end to it, and after the 2018 U.S. withdrawal Tehran progressively broke those limits and pushed enrichment higher.[4][5][6] More recently, reports in June 2026 have pointed to a draft deal that would let Iran dilute highly enriched uranium on its own soil, which is materially different from a pledge to stop enrichment altogether.[7] That leaves the favourite side looking like “some deal, but not this exact language”, while the contrarian path to a Yes is a surprise political trade that explicitly uses the word *end*.

The key catalysts are any Trump or Iranian statement, a signed framework, and whether nuclear language is disclosed in full rather than described only in broad terms.[1][2][7] Reuters reported on 14 June that a draft U.S. deal included oil sanctions relief, nuclear limits and uranium dilution, which suggests negotiations are active but also that the contentious point remains the future of enrichment itself.[7] For traders, the main dependency is whether talks produce a public pledge before the deadline that is unambiguously about stopping all enrichment, rather than merely freezing, capping, relocating or diluting stockpiles.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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 Who Will Win, 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.

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Who Will Win 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.

What does it cost to trade on Who Will Win?

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

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.

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.