US x Iran diplomatic meeting by March 31, 2027?
Confirmed repricing; the market is settling at the new level.
The pricing is supported by healthy trading volume and market depth, a tight spread.
How credible was the move?
Three separate questions — a move can be genuine while the latest price is still settling. Methodology →
Move validity
Is the move backed by real trading and depth?
StrongThe pricing is supported by healthy trading volume and market depth, a tight spread.
Consensus stability
Has the market settled at the new probability?
FormingMovement has slowed (3.5 points over six hours) but the market has not fully settled.
Contract clarity
Will the rules resolve without ambiguity?
HighThe resolution rules are relatively specific, with a named source and a defined deadline.
From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.
What this market actually measures
On June 22, the first round of U.S.-Iran diplomatic talks in Switzerland concluded, with mediators reporting progress toward a roadmap for a final deal and follow-on technical talks expected to continue.(see: https://www.aljazeera.com/news/2026/6/22/us-iran-agree-on-roadmap-towards-final-deal-in-switzerland-talks). This market will resolve to “Yes” if the next formal senior-level round of peace talks between represen…
This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.
View full official resolution rules
On June 22, the first round of U.S.-Iran diplomatic talks in Switzerland concluded, with mediators reporting progress toward a roadmap for a final deal and follow-on technical talks expected to continue.(see: https://www.aljazeera.com/news/2026/6/22/us-iran-agree-on-roadmap-towards-final-deal-in-switzerland-talks). This market will resolve to “Yes” if the next formal senior-level round of peace talks between representatives of the United States and Iran begins by the listed date, 11:59 PM ET. Otherwise, this market will resolve to “No.” A qualifying round must be a deliberate in-person diplomatic meeting or negotiating round concerning US-Iran relations, involving senior representatives of both the United States and Iran who are acting in an official capacity and are authorized to conduct or materially direct diplomacy on behalf of their governments. Indirect in-person diplomacy through designated mediators, facilitators, or interlocutors will qualify, provided senior representatives of both the United States and Iran are participating in the same formal diplomatic process with the knowledge and authorization of their respective governments. The representatives need not be in the same room at the same time. Follow-on technical talks from the June 22 Switzerland round will not qualify by themselves. Technical, staff-level, working-group, implementation, monitoring, preparatory, or deconfliction meetings will not qualify unless they occur as part of a new formally convened senior-level U.S.-Iran peace-talks round. Brief greetings, chance encounters, photo opportunities, ceremonial appearances, or talks not deliberately aimed at diplomacy or negotiation will not count. The meeting must be in-person (including indirect in-person meetings) and must be publicly acknowledged by either government or reported by a consensus of credible media. Remote meetings, phone calls, or other meetings where the relevant parties are not present will not count. The resolution sources for this market will be official information from the governments of the United States and Iran, and a consensus of credible reporting.
Why the odds moved
The probability rose 3.5 percentage points over the last 24 hours (96.5% → 100.0%).
No verified catalyst has been linked to this move yet. ProbCast does not attribute moves to news without evidence connecting the timing of a specific report to the repricing.
What could move this market next?
- The market's deadline arrivesMarch 31, 2027 at 7:59 PM ET
The contract must resolve based on what has happened by this date.
Derived from the contract's own mechanics as of Sep 22, 4:53 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.
Probability by deadline
The same event, priced across deadline contracts on this venue.
The market prices the Dec 31 and Mar 31 deadlines almost identically.
Advanced analysis (experimental)
Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: medium · expected error ±15 pts.
What's happening
The price is actively repricing on real volume. The number is still moving — don't treat the latest print as settled consensus yet.
- Probability moved 3.5 pts in ≤6h on adequate liquidity
The latest price is a usable but caveated read — weigh it with the market state.
More details — reliability score, dynamics, durability
- Trend continuation71%
- Choppy / mean-reverting12%
- Stable consensus7%
Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.
Secondary read: leaning toward Trading normally.
A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.
Market data
24h volume
$67.6K
Liquidity
$111K
Total volume
$451.3K
- Category
- Geopolitics
- Venue
- Polymarket
- Open interest
- —
- Spread
- 0.1 pts
- Best bid
- 99.9%
- Best ask
- 100.0%
- 7-day range
- 95.0% – 100.0%
- Resolves
- Mar 31, 2027