Iran agrees to end enrichment of uranium by December 31?

Platform comparison

Market context

Polymarket prices this contract at **27% YES**, so the market is still treating an Iranian pledge to end uranium enrichment by 31 December 2026 as a minority outcome, even though the settlement runs well beyond the current news cycle. On Polymarket, buyers are effectively posting USDC on Polygon against conditional tokens that pay out only if Iran makes a public agreement or pledge that fits the resolution language before the deadline.

The comparison point is the 2015 JCPOA, when Iran accepted strict limits on enrichment, centrifuges and stockpiles in exchange for sanctions relief, but that framework later collapsed after the US withdrawal and Iran’s step-by-step breaches. Under the JCPOA, Iran was limited to enriching only to 3.67%, had to cap its stockpile at 300 kg, and could not enrich at Fordow for years, which shows that temporary constraints have been achievable even if a permanent end to enrichment has not been Iran’s historical position.[4][6][9] More recent context is less supportive of a full stop: in 2019 Iran announced it would exceed the 3.67% cap, and later reports said the JCPOA itself expired in October 2025, leaving no standing deal to revert to.[8][11]

For traders, the key catalysts are public statements from Tehran, indirect US-Iran talks, and any IAEA-facing language that implies a formal commitment rather than a technical pause. A recent report said US officials described Iran as having agreed in principle to dispose of its enriched uranium stockpile, but also noted that IAEA Director General Rafael Grossi had not yet verified any agreement, which matters because this market needs a public agreement, not merely a diplomatic signal.[3] Watch for whether any future arrangement is framed as a temporary freeze, a stockpile swap, or a broader nuclear package, since even limited language could move the price if it is read as an end to enrichment under the market’s rules.

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 Alternative 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 Alternative UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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 Alternative 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.