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UNSC Resolution Endorsing Final U.S.-Iran Deal by December 31?

UNSC Resolution Endorsing Final U.S.-Iran Deal by December 31?

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MC Marcus Chen Political Strategist
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Lines Verdict
NO at 73% implied probability

Lean YES, Conditional on Calendar: The MOU's UNSC clause provides structural support, but a six-month window to close a nuclear deal and pass a Council resolution demands near-perfect execution. Market probability: 61.5%.

27% Market Probability
1h +0.0% 24h -1.5% Trend Weak (9/100)
Volume
$81.5K
$3.5K in 24h
Liquidity
$46.4K
Moderate depth
7-Day Move
+0%
Stable
Time Left
5 months
Resolves Dec 31
81K Vol. Dec 31, 2026

The U.S.-Iran Memorandum of Understanding, signed June 18, carries a clause that most observers have not fully priced in: point fourteen commits both parties to seek a binding UN Security Council resolution endorsing any final nuclear agreement. That single clause is what this market is about. The market puts the implied probability at roughly 62 percent, meaning traders believe this path is more likely than not, but far from guaranteed.

The market question asks whether a UNSC resolution endorsing a final U.S.-Iran deal will occur before December 31, 2026. The YES contract trades at $0.62 and the NO contract at $0.39, reflecting this split. Total traded volume sits at $421, with $4,723 in liquidity, giving this market low capital depth but a directional lean that has moved sharply upward in a single session.

How the U.S.-Iran UNSC Resolution Contract Works

YES resolves when the United Nations Security Council formally adopts a resolution endorsing a completed, final U.S.-Iran nuclear agreement before the December 31 deadline. The UNSC, which includes five permanent veto-holding members, serves as the resolution body. For YES to pay, both a final deal and UNSC passage must occur within 2026.

  • YES ($0.62, implied probability 62 percent): A final U.S.-Iran nuclear deal closes and the UNSC adopts an endorsing resolution by December 31, 2026.
  • NO ($0.39, implied probability 38.5 percent): No final deal reaches signature, the UNSC fails to act, or a permanent member blocks the resolution before year-end.

The NO outcome becomes real if nuclear talks stall after the 60-day MOU confidence-building phase, or if a UNSC permanent member, most plausibly Russia or China acting on changed strategic interests, withholds support. Iran staying out of full nuclear compliance talks would also prevent a final deal from reaching the Council floor in time.

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Market Signals: A Single-Day Surge with Thin Volume

Momentum here is best read as a single-day event, not a trend. The 1-hour price change is flat at 0.0 percent, the 24-hour figure is not separately tracked, and the trend score sits at 30, well below a neutral midpoint, signaling this burst has decelerated sharply. The YES price moved from $0.50 at market open to $0.62 intraday on June 23, a 24-percent single-session run that appears tied directly to news of the MOU signing and point fourteen’s UNSC language becoming public. The math is clear: one confirmed news catalyst drove the repricing.

Total volume of $421 reflects a brand-new market with minimal trading history. The $4,723 in liquidity provides adequate depth for small positions but suggests institutional conviction has not arrived yet. This is a market priced on expectation, not accumulated bet volume.

  • YES price jumped from $0.50 to $0.62 on June 23, tracking the public release of the MOU’s UNSC clause.
  • The 1-hour price change of 0.0 percent and trend score of 30 confirm the initial surge has plateaued.
  • $421 in total volume and $4,723 in liquidity indicate an early-stage market with room to grow in either direction.
  • NO at $0.39 reflects a meaningful minority position, not a fringe bet. More than one in three traders sides against resolution.
  • Zero open interest means no outstanding leveraged positions, leaving price action driven by direct market trades only.

Lines Analysis: Marcus Chen on the U.S.-Iran UNSC Path

The June 18 MOU is the strongest structural support for YES. Both Washington and Tehran signed a framework with a UNSC endorsement clause baked in, which is not an accident of drafting. The 2015 JCPOA precedent matters here: the UNSC endorsed that agreement unanimously, 15-0, within days of finalization. A path exists, and the U.S. has already signaled it wants multilateral legitimacy for any durable deal.

The case for caution is real, though. The MOU launches a 60-day confidence-building phase before full nuclear talks resume. That puts substantive negotiations into late August at the earliest. Completing a comprehensive nuclear agreement, converting it to UNSC language, and securing a Council vote all before December 31 is an aggressive calendar. Israel’s June 13 strikes on Iranian military and nuclear targets remain a destabilizing overhang. Iran suspended talks once after those strikes. A second disruption would almost certainly kill the year-end deadline.

  • Any Israeli military action against Iran before September would likely send YES price below $0.40 immediately.
  • A successful 60-day MOU implementation phase with no ceasefire violations would push YES toward $0.75 or higher.
  • Russia or China signaling UNSC objections would push NO above $0.60, even with a final deal in hand.
  • Trump administration domestic pressure, from Congress or allied governments opposed to the deal, could delay or derail finalization.
  • Completion of Phase 2 nuclear talks in Islamabad on schedule would be the single strongest YES catalyst before October.

The $421 in total volume is too thin to call this a high-conviction market. But the directional signal is real: traders who have engaged are leaning YES at a 62-to-38 split, driven by a confirmed MOU with UNSC language and a historical precedent showing the Council can move fast when a deal is ready. Here’s what the market is missing: the calendar is the adversary, not the diplomacy. Six months sounds like enough time. It probably is not.

LINES VERDICT

Lean YES, Conditional on Calendar

The MOU’s built-in UNSC clause gives YES a structural foundation no previous Iran deal had at this stage. The risk is not political will, it is time. Six months to close a nuclear agreement and pass a Security Council resolution is doable but demands near-perfect execution from both Washington and Tehran.

What the market says: At 61.5 percent, the market has priced in a working MOU and a historical precedent favoring multilateral endorsement, but the December 31 deadline keeps NO relevant. Expect this contract to move sharply on any news from the Islamabad Phase 2 talks or on any military escalation involving Iran before the contract resolves.

Frequently Asked Questions

It means traders collectively estimate a 61.5 percent chance the UNSC endorses a final U.S.-Iran deal before December 31, 2026. Probability reflects market consensus, not a guaranteed outcome.

NO pays if no final U.S.-Iran nuclear deal is completed, or if the UNSC fails to adopt an endorsing resolution before December 31, 2026, for any reason including a veto.

YES rises on successful Phase 2 nuclear talks and UNSC cooperation signals. NO rises on military escalation, Iranian suspension of talks, or a permanent UNSC member signaling opposition.

The market resolves December 31, 2026. Both a completed final deal and a UNSC resolution must occur before that date for YES to pay out.

$421 in total volume is very thin. Price signals are directional but not high-conviction. The $4,723 in liquidity supports small trades. Treat this as an early-stage market until volume grows substantially.

We aggregate the live positions of the top 50 Polymarket whales (ranked by 30-day tracked volume) into one composite reading per market. It refreshes every hour. The percentage shows how many of those whales hold YES versus NO; the net dollar position shows the cohort's directional exposure in dollars.

A convergence event fires when three or more tracked wallets buy the same outcome on the same market within a four-hour window. We surface these in the activity feed and the VIP digest.

No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations.

What Could Shift These Probabilities?

YES Supporting Factors

The June 18 MOU's point fourteen commits both the U.S. and Iran to seeking a binding UNSC resolution, creating a built-in multilateral pathway. A successful 60-day confidence-building phase followed by rapid Phase 2 talks in Islamabad could deliver a final agreement by October, leaving two months for UNSC action. The 2015 JCPOA precedent shows the Council can move in days once a deal is ready.

YES Risk Factors

The December 31 deadline is aggressive. Full nuclear negotiations have not yet started, and the MOU's 60-day phase pushes substantive talks into late August. Any military escalation involving Israel and Iran could cause Tehran to suspend negotiations again, as it did after the June 13 strikes. Congressional or allied opposition to the Trump administration's deal could also delay finalization past the year-end cutoff.

NO Comeback Scenario

NO gains ground if Iran's Supreme Leader Mojtaba Khamenei conditions final deal acceptance on terms Washington cannot accept before year-end. A breakdown in Phase 2 talks, a renewed Israeli military operation, or a Russian signal of UNSC opposition would rapidly close the calendar window. In that scenario, YES could fall below $0.40 and NO would become the market favorite heading into the fourth quarter.

Wildcard Factor

A snap escalation unrelated to the current MOU framework, such as a domestic political crisis in Iran following leadership transition dynamics under Khamenei, could freeze negotiations without warning. Alternatively, a fast-tracked backchannel agreement brokered outside the Islamabad framework could accelerate the timeline dramatically and push YES above $0.85 within days.

Key macro factor: The U.S.-Iran MOU signed June 18, 2026 is the first framework to explicitly commit both parties to UNSC endorsement of a final nuclear deal, creating a structural pathway that did not exist before this week.

Market Timeline

Jun 23, 2026, 4:42 AM
Market Created
Jun 23, 2026, 4:53 AM
Market Opened
Dec 31, 2026
Market Resolution

Market Comments

Probabilities shown are market-implied and not predictions or recommendations. This content is for informational purposes only.