Who will attend US-Iran signing ceremony?

Platform comparison

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. This market resolves affirmatively if a specified individual attends any official ceremony where authorised representatives of both nations physically execute or formalise the agreement by 7 July 2026. The 28% implied probability reflects genuine uncertainty around attendance at a high-level diplomatic event between two nations with a fraught recent history and competing domestic political pressures.

Historical precedent suggests attendance at such ceremonies depends heavily on symbolic value and domestic political calculation rather than diplomatic necessity. The 2015 Joint Comprehensive Plan of Action (JCPOA) signing saw limited US Cabinet-level attendance despite its significance; by contrast, the Abraham Accords signings in 2020 drew high-profile participants precisely because both sides sought public validation. Iranian delegations have historically prioritised attendance at signing events to demonstrate legitimacy, though factional disputes within Tehran's government can create last-minute complications. The current 28% probability sits between "unlikely but plausible" and reflects the compressed timeline—only five days between announcement and ceremony—which constrains preparation and decision-making.

Traders monitoring this market should track official announcements from the US State Department and Iranian Foreign Ministry regarding delegation composition, typically released 48–72 hours before ceremonies. Secondary indicators include statements from relevant Congressional committees and Iranian parliamentary factions, which signal whether domestic opposition might pressure leadership to boycott or downgrade participation. Any scheduling delays beyond 19 June would extend the resolution window and likely shift probabilities, as would public statements from either government questioning the other's commitment to attendance.

Methodology

This page reviews Who will attend US-Iran signing ceremony? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Bot UK — the application we operate, where you trade directly against 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

Where can I trade this market with the lowest fees?

On Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 does it cost to trade on Polymarket Bot UK?

Zero. Polymarket Bot UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.