Who will attend the next US x Iran diplomatic meeting?

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Active sub-markets

Market context

The real-world issue is whether US and Iranian representatives will sit in a formal diplomatic meeting before the market’s June 2026 expiry, and the current 0% crowd price suggests traders see the named attendee as extremely unlikely to be confirmed. In practical terms, these events can move quickly through intermediaries: Reuters reported in April that no date had been set for the next round of US-Iran negotiations, while later reports in February and May pointed to renewed talks and a possible memorandum of understanding, showing how fast the backdrop can change.[5][1][4]

For comparable cases, traders have tended to treat indirect contacts, mediator-led shuttling and venue speculation as weaker signals than an announced, face-to-face official meeting with named participants. Polymarket’s own June framing around US-Iran diplomacy shows that the market universe has recently shifted from stalled sessions to possible new rounds, but also that venue and format remain fluid, which usually keeps “will attend” markets highly event-specific rather than broadly directional.[2][3] For accessibility, German GlüStV issues matter because many forms of online betting on political events can face local restrictions if they are treated as gambling rather than simple informational contracts, while US CFTC reach can still matter if the platform is viewed as offering event contracts to US persons; the advertised “no-KYC up to $1,500” generally means smaller participation may be possible without full identity checks, but it does not remove jurisdictional or tax obligations.

Catalysts are likely to be any formal announcement from Washington, Tehran, Oman, Pakistan or other mediators, plus any confirmation of date, venue and who is actually authorised to attend. The key distinction is between indirect diplomacy and a deliberate meeting of government representatives acting in an official capacity; if reports only describe mediation, preparatory calls or memorandum drafting, that would not satisfy the market description. Recent reporting also ties the next step to a broader ceasefire and sanctions-relief sequence, so updates on those dependencies can matter as much as the diplomacy itself.[4][6][10]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Tax UK, which mirrors the Polymarket order book directly.

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 Tax 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.

Is this market available outside the US?

Polymarket Tax 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.

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 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.