Who will attend US-Iran signing ceremony?

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Active sub-markets

Market context

The US and Iran announced a written diplomatic agreement on 14 June 2026, with a signing ceremony scheduled for 19 June. Polymarket currently prices attendance at 56% YES, reflecting genuine uncertainty about whether high-level representatives will physically convene to execute the accord. The conditional tokens trading on Polygon settle against verified attendance at an official signing event by 7 July 2026; USDC collateral backs both YES and NO positions through that date.

Historical precedent suggests caution about assuming diplomatic ceremonies proceed as announced. The Iran nuclear deal (JCPOA) in 2015 saw formal signing in Vienna with multiple foreign ministers present, yet the agreement faced domestic political obstacles that ultimately led to US withdrawal. More recently, the Abraham Accords signing ceremonies in 2020 proceeded despite regional tensions, though those involved different parties and lower geopolitical stakes. The current 56% probability reflects traders pricing in both the genuine diplomatic progress required to reach this stage and the material risk that domestic political pressure, last-minute disputes over terms, or security concerns could force postponement or cancellation.

Traders should monitor announcements regarding venue confirmation, participant lists, and any statements from US State Department or Iranian Foreign Ministry officials. The compressed five-day window between announcement and the scheduled ceremony creates limited time for logistical coordination. Any public statements questioning the agreement's terms, security incidents in either country, or signals that either delegation is reconsidering participation would likely shift the market sharply. Congressional statements or Iranian parliamentary responses in the coming days will serve as key indicators of whether the political foundation for a ceremony remains solid.

Methodology

We track Who will attend US-Iran signing ceremony? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket UK 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'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?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket UK triggers a quick verification flow that finishes in 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.