Who will attend the next US x Iran diplomatic meeting?

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Market context

The next US-Iran diplomatic meeting matters because the market is not asking whether talks resume in some form, but whether a named individual physically attends an officially authorised bilateral meeting by 30 June 2026. That distinction is important: US-Iran contacts have often been indirect or mediated, and the two countries have had no formal diplomatic relations since 1980, so the path to a qualifying in-person meeting is narrower than the broader headline flow around “talks”. [3][4]

Historically, the best comparison is the 2025–2026 negotiation cycle, which included direct or high-level encounters in Oman in April 2025 and further indirect talks in Muscat in February 2026, showing that engagement can restart quickly once a framework exists. More recently, reporting on 14 June said the US and Iran agreed to halt hostilities after more than three months of conflict, with mediation by Pakistan and Qatar and an extension-style understanding rather than a final settlement; that kind of stop-start diplomacy supports the idea that contact is possible, but also that attendance depends on fragile sequencing and third-party facilitation. [2][3]

With the crowd at 0% YES, the implied read is that traders see a named-attendance event as very unlikely absent a formal, public schedule. The main catalysts to watch are any announcement of venue and delegation level, whether Oman, Qatar or Pakistan is again used as intermediary, and whether either side confirms direct rather than mediated attendance; if a meeting is announced without naming the participant or keeping the format indirect, that would not settle this contract. Recent reporting that senior US and Iranian officials have already met in Pakistan adds some support to the broader diplomacy theme, but it also underlines how dependent this market is on precise wording rather than general negotiations. [1][3]

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 Best Prediction Markets, which mirrors the Polymarket order book directly.

Resolution & payout

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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 Best Prediction Markets, 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'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.