Who will attend US-Iran signing ceremony?

Platform comparison

Market context

On 14 June 2026, the United States and Iran announced a written diplomatic agreement, with a formal signing ceremony scheduled for 19 June in Switzerland. This event marks a pivotal moment in the war that began in February, aiming to end hostilities, reopen the Strait of Hormuz, and launch nuclear talks. The crowd-implied probability of 3% YES on Polymarket suggests traders doubt any listed individual will attend the physical ceremony, likely due to the remote signing already completed by presidents Trump and Pezeshkian at the G7 summit in France[2].

Historically, high-stakes diplomatic deals between adversaries often involve remote or proxy signings to avoid security risks, with physical ceremonies serving as symbolic confirmations rather than binding acts. For instance, the 2015 Iran nuclear deal saw initial signatures by foreign ministers, while the 2020 US-DPRK agreement was signed remotely by vice presidents. In this case, the US and Iran electronically signed a memorandum on 16 June, with the formal ceremony in Switzerland potentially attended only by mediators like Pakistani Prime Minister Shehbaz Sharif and Iranian Deputy Foreign Minister, not the listed individual[1][2].

Traders should monitor official announcements from the US State Department and Iran’s Supreme National Security Council regarding attendee lists for the Swiss ceremony, as well as Sharif’s travel schedule. Recent reports confirm Sharif is expected to attend, while no confirmed list exists for US or Iranian senior signatories[1]. Key dependencies include the lifting of the US naval blockade and the reopening of the Strait of Hormuz, which Sharif declared as immediate steps post-signing[2]. Any delay in these actions could signal a shift in ceremony attendance, altering the market’s 3% probability.

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Methodology

This page reviews Who will attend US-Iran signing ceremony? 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 PolyGram, 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 PolyGram. 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.

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 PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.