Iran agrees to end enrichment of uranium by December 31?

Platform comparison

Market context

Iran would need a public, explicit commitment to stop *all* uranium enrichment by the deadline, not just a cap on enrichment levels or a temporary pause. That is a much narrower event than the past JCPOA framework, which limited enrichment to 3.67% and allowed a civilian programme to continue under inspection rather than ending enrichment altogether.[2][5][6][11]

Historically, Iran has accepted calibrated nuclear limits under pressure, but not a durable promise to cease enrichment across the board. The 2015 deal cut stockpiles, restricted centrifuges and barred enrichment at Fordow, yet still permitted enrichment at Natanz; Iran later breached key limits and the JCPOA expired in October 2025, leaving current talks to start from a weaker baseline.[5][6][7][12][15] For a power-user, that means the market is less about technical compliance and more about whether a statement contains the exact legal trigger: a public pledge, however phrased, to end enrichment entirely by 31 December 2026.[10][11]

The most important catalysts are official announcements, draft texts, and any IAEA- or U.S.-mediated understandings that mention disposal of enriched uranium or an end to enrichment operations. Recent reporting said U.S. officials believed Iran had agreed “in principle” to dispose of its enriched uranium stockpile, but there was no IAEA verification of any agreement, which matters because the market resolves on a public Iranian agreement rather than private diplomacy.[4][10] Programmatically, traders would want alerting on statements from Tehran, Washington and the IAEA, plus scheduled negotiation rounds or summit windows, because a single qualifying press release before the deadline would be sufficient for a Yes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Iran agrees to end enrichment of uranium by December 31? 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 Polymarket Review 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 Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Review UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.