Who will attend US-Iran signing ceremony?

Platform comparison

Market context

On 14 June 2026, the United States and Iran confirmed a finalised memorandum of understanding, with an official signing ceremony scheduled for 19 June at the Burgenstock resort in Switzerland. The deal unlocks Iranian oil exports, initiates phased sanctions relief, and establishes a $300 billion investment fund, marking a potential end to decades of conflict. Despite initial plans for a Geneva ceremony, Swiss authorities confirmed the secluded Alpine venue after consultations with regional powers including Pakistan, Qatar, and the US.

Historically, such high-stakes diplomatic breakthroughs between adversarial states rarely feature top-tier leadership attendance; comparable cases like the 1978 Camp David Accords saw presidents present, but the 2015 Iran nuclear deal was signed by ministers. With the current crowd-implied probability of 3% for any listed individual attending, this aligns with analyst consensus that President Trump may not attend due to Iran lacking a direct diplomatic equivalent, while regional brokers like Pakistan’s Shahbaz Sharif are expected. Prediction markets show meaningful divergence from sportsbook lines, which often overstate celebrity presence, whereas Polymarket and Kalshi reflect the more cautious reality of ministerial-level signatories.

Traders should monitor official attendance lists released by the Swiss Foreign Ministry and statements from Iran’s Mehr News Agency, which recently linked only Deputy Foreign Minister Kazem Gharibabadi to the event. CNBC’s Dan Murphy noted that the biggest signal will be whether Saudi Arabia or the UAE send cabinet-level representatives, as their presence would indicate broader regional buy-in. A recent Axios report confirmed the memorandum was remotely signed ahead of the ceremony, suggesting the physical event may be ceremonial rather than functional, further reducing the likelihood of high-profile attendance. Watch for any schedule changes regarding Vice President Vance’s delayed visit to Switzerland, which could alter the US delegation’s composition.

Sources: 1 · 2 · 3 · 4 · 5

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 Kalshi vs Polymarket, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 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.